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This chocolate orange cake is the perfect blend of citrus flavors and dark chocolate. It features four layers of chocolate cake filled with tangy orange buttercream, topped with a shiny chocolate glaze and chocolate orange slices.
🍊 A Beautiful Chocolate Orange Dessert
I’ve loved the combination of chocolate and orange ever since I first discovered a chocolate orange in my Christmas stocking as a child. Something about the contrast between rich, dark chocolate and bright, zesty orange flavor just hits all the right notes for my taste buds.
I’ve already shared a few chocolate-orange desserts in the past (if you haven’t tried this orange hot chocolate yet, run don’t walk to the kitchen to make it!!) but never a cake with those flavors. Time to fix that!
This towering Chocolate Orange Cake features 4 thick layers of chocolate cake, brushed with orange simple syrup for extra flavor and moisture. It’s stacked with zesty orange buttercream, and decorated with glossy chocolate ganache and–as tribute to those Christmas stocking treasures from long ago–finished with chocolate orange slices.
There are a lot of components to this cake, but also a lot of flexibility. I would say that the cake and the buttercream are the only must-make parts, and for the rest, you can adjust the recipe depending on the ingredients and time you have. And like always, you are encouraged to decorate it however you’d like, with whatever you have on hand!
If you like the sound of this orange chocolate cake, you will love my chocolate orange panna cotta, orange white chocolate bars, and pistachio orange cake.
🧾 What You’ll Need
Because there are several different components, the ingredient list is a bit long. Fortunately, most of the ingredients are baking staples you probably already have. Here are a few tips & recommendations to keep in mind when gathering ingredients. (Links are affiliate links and I earn a small commission from qualifying purchases.)
For the chocolate cake
- Unsweetened Cocoa Powder: Since this cake gets all of its chocolate flavor from cocoa powder, I recommend using a high-quality cocoa powder. Cheap cocoa powders can be nearly flavorless, or worse, impart a bitter, dusty, or stale flavor. My personal favorite is Cacao Barry Extra Brute – it hits that sweet spot between very high quality but also pretty affordable since it is sold in bulk. Whatever you use, make sure that it is dutch-processed (also known as alkalized), because that will make a huge difference in the final taste and texture of the cake!
- Butter: Use unsalted butter, and leave it at room temperature before you start baking. This is an all-butter cake, which is my favorite type of chocolate cake to make. Using butter instead of oil gives the cake more flavor, makes it less prone to a greasy texture, and also makes the cake sturdy enough for layering into tall cakes. Chocolate butter cakes can also be turned into great cupcakes, and if you’re looking for a no-fail cupcake, check out my Chocolate Cupcake recipe.
For the frosting:
- Pasteurized Egg Whites: This frosting recipe is a little different, in that it uses pasteurized egg whites from a carton. They are usually sold right next to the eggs in the refrigerated section. YES, it is safe to consume uncooked egg whites as long as they have been pasteurized! If you can’t find pasteurized egg whites in a carton, buy some pasteurized eggs from the store and separate them yourself – you’ll need about 6 egg whites for this recipe.
- Orange Oil: Note this is NOT orange essential oil–it’s a flavoring oil specifically meant for food. I love it because it provides a big POP of orange flavor with just a few drops! Lor-Ann is my favorite brand of orange oil. You can substitute orange extract if you don’t have the oil, but you might need to adjust the amount since extract is less potent.
- Orange zest: Use a microplane zester on an orange to get delicate orange zest.
- Citric Acid: This is optional, since it will probably need to be purchased online, but if you can track it down, I HIGHLY recommend it! Citric acid is my secret ingredient for making extremely realistic fruit desserts. It’s a granular white powder (similar in texture to salt) and is SUPER sour. Just a pinch will add a realistic tangy flavor to any fruit dessert. You can get a whole pound of it for about $9 here, and that amount will last forever!
For the ganache & decorations:
The shiny chocolate ganache on top of the cake is requires just two ingredients! You’ll also want a few decorations to provide that perfect finishing touch.
- Heavy cream: I like heavy cream best for the rich texture it gives to ganache, but you can use whipping cream if that’s what’s available to you.
- Semi-sweet chocolate: Chopping up a chocolate bar will give you the best results–I’m a big proponent of Trader Joe’s pound plus bars, if those are available to you. Otherwise, go for high-quality chocolate chips like Guittard–they’ll give you the best flavor.
- Chocolate oranges: Optional but fun! They can be hard to track down in non-winter months, but you can always get chocolate oranges online if you’re committed to the theme.
- Chocolate sprinkles: Whenever I use these particular chocolate flakes, people ask about them! They are real chocolate and are made by Cacao Barry.
- A mixer:A MUST for making the cake batter and frosting. (I love my trusty KitchenAid stand mixer.) A stand mixer or a hand mixer will both work, and whatever you use, you’ll want to use a paddle blade for the cake batter, and the whisk attachment for the frosting.
- Cake pans: This recipe is written to use 8″ cake pans, but you can also use 9″ pans and adjust the baking time.
- Basic cake tools: Assembling and decorating will be MUCH easier if you have a cake turntable and offset spatula.
- Piping tools: To create the rosettes around the edge of the cake, a piping bag and large star tip is a must.
- Squeeze bottle: A squeeze bottle is a big help for getting those perfect ganache drips!
- Microplane: Use a microplane to make orange zest. A very fine grater can be substituted if you don’t have a microplane.
📋 Recipe Tips
This chocolate cake recipe is pretty straight-forward and forgiving. Even if it’s slightly overbaked, it still turns out moist and delicious! Don’t forget to prep your pan with parchment circles, and a generous layer of pan release or nonstick spray.
Even though the cake is moist, I like to add a little extra insurance–and flavor!–by brushing it with an orange simple syrup. This easy recipe is just orange juice and sugar, heated until the sugar dissolves. Once cool, use a pastry brush to spread the syrup on each layer. Bam! Your cakes are now extra-moist and tinged with orange flavor!
The frosting is a variation of my Easiest Swiss Meringue Buttercream. There are full instructions in the recipe card below, but if you want to learn more in-depth about the recipe, please check out my stand-alone buttercream recipe post–it has lots of step-by-step pictures, tips, and tricks for frosting perfection! There’s also a troubleshooting section below if the frosting gives you any problems!
Here’s a quick rundown of how to finish the cake:
- Once the cake is covered with orange buttercream, chill it well. Then take the chocolate buttercream and spread it in little dabs around the sides of the cake.
- Use a metal spatula or bench scraper to blend out the buttercream and create a smooth surface.
- Put the chocolate glaze in a squeeze bottle, and squeeze drips around the edge of the cake. Add some glaze in the center of the cake, and smooth it into an even layer that joins the outer ring.
- Add your final decorations! I piped buttercream rosettes along the outside edge, then added chocolate orange slices and chocolate sprinkles.
Before you scroll down to grab the full list of ingredients and instructions from the recipe card, here are a couple of questions I normally get about this cake recipe.
What if I don’t have chocolate orange slices?
If you don’t have any chocolate orange slices, no worries! They can be hard to find at times. Just use anything that is chocolate or orange-themed: chocolate sprinkles, orange Sixlets, mini chocolate chips, or slices of candied orange rind would all be great decorations too!
Help, my frosting looks weird!
It is extremely common for the frosting to go through an “ugly” period before it’s done. Your frosting may look soupy, curdled, chunky, or downright gross. This is normal!
This frosting needs to be beaten for an extended amount of time so that the fat in the butter emulsifies with the egg whites and creates that gorgeous frosting texture. If it looks soupy or curdled, there is a 95% chance that it has not been beaten long enough, and you just need to keep whipping in order for it to come together. I promise.
The other common cause of frosting failure is butter that is too warm. “Room temperature” does not mean greasy, slightly melted around the edges, or warm. It is better to have the butter be slightly too cool than too warm. If your butter is too warm, the frosting might remain liquidy. Refrigerate the frosting for 5-10 minutes and try beating again until it comes together.
It’s always a good idea to give yourself plenty of time to make the components and assemble a layer cake. Whenever possible, I like to do it over the course of several days so I’m not rushed or stressed. Fortunately, all the parts of this cake can be made in advance!
The cake can be baked and then wrapped well in plastic wrap. Store it in the freezer until you’re ready to assemble–the freezer does a better job of keeping cakes moist than the refrigerator. Cake can be stored for up to 3 months in the freezer.
The frosting can be made and stored in an airtight container in the refrigerator for up to 2 weeks. Let it come completely to room temperature, then whip well to restore the smooth texture.
The ganache can be made and stored in an airtight container in the refrigerator for up to a week. Warm it up very gently in the microwave in short bursts, stirring frequently, just until it’s fluid.
How do I store chocolate orange cake leftovers?
You can store any cake leftovers (if you have any) in a covered cake stand for 3-4 days. It can be refrigerated for up to a week, but it will become more dry due to refrigeration after about 3-4 days. For the best taste and texture, bring it to room temperature before serving.
I hope you love this recipe as much as my family does! It’s an ultra-decadent cake that’s just bursting with chocolate and orange flavor. It’s a wonderful cure to the drab winter blues, but I can honestly eat it year-round!
🧡 More Chocolate Cakes You’ll Love
- Box of Chocolates Cake
- Pumpkin Chocolate Mousse Cake
- Mint Chocolate Chip Layer Cake
- Chocolate Candy Cane Cake
- Black Forest Cake
Chocolate Orange Cake
For the Chocolate Cake:
- 3 cups water
- 4.5 oz unsweetened cocoa powder, (1 ½ cups)
- 18 oz all-purpose flour, (4 cups)
- 1 TBSP baking soda
- ¾ tsp baking powder
- 1 ½ tsp salt
- 12 oz unsalted butter, at room temperature
- 26 oz granulated sugar, (3.75 cups)
- 6 eggs, at room temperature
- 2 TBSP vanilla extract
For the Buttercream:
- 1 oz unsweetened chocolate, finely chopped
- 6 fl oz pasteurized liquid egg whites, (3/4 cup, see Note below)
- 24 oz powdered sugar, (6 cups)
- 1/2 tsp salt
- 24 oz unsalted butter, at room temperature (6 sticks)
- 2 TBSP vanilla extract
- Orange gel food coloring
- 1 tsp orange oil, or 2 tsp orange extract
- Zest of 2 oranges
- ¼ tsp citric acid, optional
- 5 fl oz orange juice, (2/3 cup)
- 4.6 oz granulated sugar, (2/3 cup)
- 4 oz semi-sweet chocolate, finely chopped
- 6 fl oz heavy cream
- Chocolate sprinkles
- Chocolate orange slices or other decorations, optional
To Make the Chocolate Cake:
- Preheat the oven to 350 F. Line four 8-inch cake pans with sides at least 2” high with parchment rounds, and spray the insides with nonstick cooking spray.
- Pour the water into a medium bowl and microwave until it starts to boil, 3-4 minutes. Add the cocoa powder and whisk well, until all of the dry cocoa dissolves. Cover the bowl with plastic wrap to prevent water from evaporating, and let it sit until the paste is warm but not burning hot.
- In a large bowl, sift together the flour, baking soda, baking powder, and salt, and set aside.
- Combine the butter and sugar in the bowl of a mixer fitted with a paddle attachment, and beat on medium speed for 8-10 minutes, until very light and fluffy. Add the eggs two at a time, beating for about a minute between each addition, then mix in the vanilla.
- Alternate adding the dry ingredients and the cocoa mmixture in batches, beginning and ending with the dry ingredients. Finish by scraping the bottom and sides of the bowl with a rubber spatula to mix the cake batter well.
- Divide the batter between the prepared pans—if you have a kitchen scale, each pan should get about 22-23 oz of batter. Bake at 350 F for 55-60 minutes, until the cakes spring back when lightly pressed with a fingertip and a toothpick inserted into the center comes out with just a few moist crumbs attached.
- Cool the cakes completely before using them. They can be made in advance and kept, well-wrapped, in the refrigerator for a week or in the freezer for several weeks. Allow them to partially defrost before assembling.
To Make the Buttercream:
- Place the unsweetened chocolate in a small bowl and microwave for 30 seconds. Stir, and microwave in smaller increments if necessary until melted and smooth. Set aside until the melted chocolate is no longer hot.
- Meanwhile, combine the whites, powdered sugar, and salt in the bowl of a large stand mixer fitted with a paddle attachment. Mix everything together on low speed, until the sugar is moistened and no dry patches remain. Turn off the mixer, scrape down the sides and bottom of the bowl with a spatula, then turn the mixer to medium speed. Beat on medium for 5 minutes.
- After 5 minutes, turn the mixer to medium-low and start adding the softened room temperature butter, 1-2 tablespoons at a time. Once all of the butter is incorporated, add the vanilla extract and mix it in. Stop the mixer and scrape down the bottom and sides once more. Turn the speed to medium and beat the buttercream for 10 minutes. At the end, you’ll have a frosting with a wonderfully light and creamy texture.
- Separate out approximately 1/2 cup of frosting, and mix the melted chocolate into the frosting to make a deep, rich chocolate color.
- To the rest of the frosting, add several drops of orange gel food coloring, the orange zest, the orange oil or extract, and the citric acid (if using). Mix well, and adjust the color and flavoring until you’re satisfied.
- At this point, the frostings can be used right away, or transferred to an airtight container. If you’ll be using them within a day they can be left out on the counter, or stored in the refrigerator for up to 2 weeks. If you have chilled the frosting, let it come to room temperature COMPLETELY and then beat it for several minutes to smooth it out and restore its texture before using it.
To Assemble and Decorate:
- Combine the orange juice and granulated sugar in a small saucepan over medium heat. Stir frequently while the mixture heats up and comes to a simmer. Once simmering, remove it from the heat and allow it to cool to room temperature.
- Place the cake rounds on 8-inch cardboard cake circles. Place one layer on a cake turntable. Take a pastry brush, and generously brush the top of the chocolate cake with the orange syrup.
- Place a big dollop of orange frosting on the cake layer—about 1 generous cup—and use a metal spatula to spread the frosting into an even layer going all the way out to the edges of the cake.
- Top the cake round with a second cake layer, and repeat the syrup and frosting process again. Do it with a third layer, and finally, add the last cake layer. Brush the top of the cake with the orange syrup, then cover the top and sides of the cake with a very thin layer of frosting—this is the crumb coat, which locks crumbs into the frosting and also provides some stability to the cake. Refrigerate the cake for 45-60 minutes, until the crumb coat is set and the cake feels firm and stable.
- If the orange buttercream has started to get spongy, re-whip it briefly until it is smooth and silky. Cover the top and sides of the chilled cake with a thicker layer of frosting. Use a bench scraper or metal spatula to smooth out the sides and top of the cake as much as possible. Chill for 30-45 minutes, until firm.
- Take a small metal spatula and dab the chocolate buttercream in small spots all around the sides of the cake. Use a bench scraper or large metal spatula to smooth out the buttercream and create a smooth surface with subtle chocolate streaks. (You can add more orange frosting or chocolate frosting until you get an effect you love.)
- Combine the chopped semi-sweet chocolate and the cream in a medium bowl, and microwave for 1 minute. Whisk well, and if any chunks of chocolate remain, whisk again briefly until it is completely melted and smooth. The chocolate glaze should have a fairly thin texture, and if you dip a spoon in and let excess drip out, it should almost immediately blend back into the glaze in the bowl.
- Transfer the chocolate to a squeeze bottle with a narrow tip. Squeeze a dime-sized amount of glaze along the top edge of the cake, and nudge it gently so it starts to slide down the side. Repeat right next to the first drip, and continue around all the edges of the cake. Squeeze the remaining glaze into the center of the cake, and use a small spatula to smooth it into an even layer that joins with the outer ring. Let the glaze set for 10 minutes in the refrigerator, or about minutes at room temperature, so that it’s not completely soft and liquid when adding the decorations on top.
- Transfer the remaining orange buttercream to a piping bag fitted with a large star tip, and pipe frosting rosettes all along the edges of the cake. Top the rosettes with chocolate sprinkles, chocolate orange slices, or any other decorations you’d like.
- For the best taste and texture, serve this cake at room temperature. Leftovers keep well, and can be stored in an airtight container in the refrigerator for up to a week, but will taste best when eaten within 3-4 days.
Our recipes are developed using weight measurements, and we highly recommend using a kitchen scale for baking whenever possible. However, if you prefer to use cups, volume measurements are provided as well. PLEASE NOTE: the adage “8 oz = 1 cup” is NOT true when speaking about weight, so don’t be concerned if the measurements don’t fit this formula.Click here to learn more about baking measurements and conversion.
This is such a beautiful cake! That orange is stunning!
Thank you, Lauren! My family and I totally loved it!
These cake looks incredible. Love orange and chocolate flavor and that drip.. yum!
Thanks Veena! You can’t go wrong with a chocolate drip, haha! 🙂
This cake ALMOST looks to pretty to eat… ALMOST 😉
Haha, no such thing as a cake too pretty to eat! 😀
What an amazing looking dessert, I love oranges and love chocolate even more. I think you’ve got a hot spot!
Stunning cake! I normally don’t love fruit flavors with chocolate, but this cake looks like the ideal balance of orange and chocolate. I would love this!
Your cake is stunning and perfect.
Oranges and chocolate – do you need more?
It was fun to make and delish although some of the measurements were odd in particular the cocoa showing 4.5 oz or 1 1/2 cups……4.5 ozs is less than one cup ey?? We actually used 2 cups of cocoa and it worked great
Also used blood oranges for the grated rind yum!11. We dig your site and make many of your recipes
Hi i absolutely love your no cook Smbc recipe, however i find when it comes out of the fridge from chilling the frosting starts to melt very quickly! Not sure if i am just not chilling it long enough (last couple of times has been 1 hour or so) or if it is because i substitute some of the butter for shortening…..i was thinking it wouldnt be that because shortening makes it more stable! Any help would be much appreciated
Hi Hannah! I’m not quite sure what you mean–what do you mean it starts to melt? Like after you’ve frosted the cake and chilled the cake, or just the frosting refrigerated on its own? Shortening should make the frosting more stable, you’re right. If you can give a few more details I can try and troubleshoot!
Preciosa muchas felicitaciones te deseo de corazón éxitos deseando saber como se hace la masa de la torta de flores quedo totalmente agradecidas
Hi Elizabeth, i find after mixing the cocoa and the water, the consistency has become liquid instead of paste like you mentioned…is the measurement wrong by any chance? Tks
I noticed the same thing. Hope it still turns out.
Sorry for the confusion! The measurements are correct and should still turn out if you use them! I just did a bad job of describing the consistency. Hope it still worked out!
I’m so sorry for the confusion! The measurements are correct, but I just did a bad job of explaining the consistency. It should work out just fine with the measurements given! Good luck, and I hope this didn’t throw you off too much!
I just made this cake. Im a builder and this was the first decorated cake I’ve ever made. It turned out fanastic although I did make a few alterations. I only did three layers as I thought that was tall enough!!! And I also candied some orange peel, dusted it in coarse sugar and sprinkled the chocolate glaze top inside the ring of orange frosting blobs.
I wish I could post you a photo so you could see, Im so pleased and very thankful for your recipe.
And if i can do it, so can you dear reader!!!
I am thinking of making this cake as the bottom tier for a friend’s wedding cake this October. Would it be possible to make it in two pans so it is wider, then split the layers? If so what size pans would it need do you think? It looks amazing and I’m sure it will make a stunning foundation layer for her cake.
Thanks for a really fun recipe! My daughter and I attempted this cake for my husband’s birthday, as he had asked for a chocolate and orange cake! Came across your recipe and thought we would give it a try. Your directions were great. All-in-all it turned out pretty good. The flavor was great and the cake was so moist! We added a lot more orange oil and a little extra citric acid to boost up the orange zing. The cake ended up being frightfully tall! We had to drive it 40 miles to a party and luckily it didn’t topple over! I think I would only make it three layers tall next time as it was difficult to cut and serve an entire slice from top to bottom. We ended up just cutting through the top two layers and served those first. How do you serve it?
Also, being a somewhat novice cake maker, I didn’t think to level off the top layer of cake before I had already frosted it. OOPS! The rounded surface made the chocolate topping roll off too quickly and most of the drips down the side ended up all the way to the cake plate. (Or maybe the topping was too warm???) Anyway- you might add that tidbit to the directions. I should have trimmed all of the layers a bit. Live and bake and learn! Right?! Thanks again! It was a BIG hit!!!
I want to bake this as a 3 layer cake but wider. It’s for the base tier of a friend’s wedding cake. I was thinking maybe 10inch round or even 12 to make a good sized base tier. Could I put it in one big tin to bake instead of baking individual layers. Then I could slice it across. If f so could you give any advice on how to adjust the cooking temp/time. Any guidance on how big a single cake this would make.
Hope I’m explaining myself OK.
Id like to use this recipie as the base layer for a friend’s wedding cake. Do you think it would be enough for 3×10″ layers. Would the baking time be different do you think?
I tried to convert 18 oz to cups online,, it says 2.25 cups everywhere and your recipe says 4 cups, Can you please tell all the ingredients for base cake in grams?
Hi , very nice recipe. what will be measurement in grams in half of the quantities. as this would be too big for me so I need measurements for half cake in grams. Please share
Just made this for the first time for my girl’s birthday. Turned out pretty fantastic if I do say myself. I’m a pie baker and this was the first serious cake venture. I did have one question. When I made the chocolate layer for the top glaze and drips, it was very runny and never formed a substantial layer like your photo shows. I had to add it in multiple additions, chilling between each, and it was still pretty thin. I used your measures, and I’m wondering what might have gone awry. Thanks.
Hey Shane, I am so happy to hear this! I’m sorry that the glaze gave you some trouble I think it comes down to a difference in chocolate. Some melt smoother compared to others. Mine must have melted differently and needed more cream. If this happens again I would suggest adding more melted chocolate to the glaze to help thicken it up! Thanks!
I’m a bit confused by your measurements. 18 ounces is not 4 cups, 26.25 ounces is not 3.75 cups, 24 ounces is not 6 cups, etc.
Could you please explain how you got these measurements and which is the correct amount? I’m hoping to make this for a party this weekend.
Hi Leanna, those measurements are correct. Different ingredients have different densities, so it makes sense for there to be a difference in what each ingredient weighs per cup. For instance, all-purpose flour weighs 4.25 ounces per cup, so 4 cups of flour is 18 ounces. Powdered sugar is 4 ounces per cup, so 6 cups is 24 ounces. I always recommend using a kitchen scale when baking, because it is both faster and much more accurate. This is a common question and you can read a more detailed explanation here:
Please let me know if you have any other questions!
Thank you for your response! Makes total sense.
One more question, how far in advance can I make the cake layers? I have to travel 4 hours by car for thanksgiving and want it for that evening. Can I layer, crumb coat, and then fully buttercream it while traveling 4 hours? Or should I assemble when I arrive there instead?
Hey Leanna, I am so excited for you to make this! I think it should be totally fine to travel with it made and assembled. I would suggest leaving it in the fridge until right before you have to leave. I would recommend not having it directly in front of the vent, or with the sun shining directly on it. You wont want it to get to warm. It will take a few hours for it to get soft in the middle anyway so I think the amount of time you would be traveling with it should be fine. If you are planning to do the ganache drip I would recommend doing that once you arrive at your destination. I would love to hear how it goes!
OMG you always comesup with such an amazing ideas and recipes <3 this cake is absolutely delicious <3
Hey Marie, I am thrilled to hear it was enjoyed so much! Thank you for the feedback!
I enjoyed making this cake and my guests enjoyed eating it more. The recipe is easy to follow, even for beginners. The buttercream is so light and has wonderful flavor!
Hi Meghan, That looks incredible!!! Good job, and for a beginner I am so glad to hear it! I am sure it was enjoyed by many, thank you so much for your feedback and the picture! AMAZING!
The family loved it
This turned out so beautiful! I’m so glad to hear your family enjoyed it, and thanks for sharing a picture!
The recipe is well written and easy to follow. This was more steps than I’m used to, but the result is totally worth it!! The addition of citric acid is a definite must…. really adds a level of brightness to the orange flavor.
This cake is absolutely divine! I hardly ever ever post comments however this cake is so chocolatey and moist! Can’t wait to eat it with ice cream! Thank you!
Thank you Tanya! I so appreciate you taking the time to let me know how it turned out for you. 😀
Very creative and artistic this is a show stopper!
Thanks so much, Claudia!
Yummy! My hubby and daughter absolutely loved this recipe! Perfect for a little summer get together! So delicious and scrumptious!
I’m so thrilled to hear that, Beth!
What a beautiful cake! Love the combination of chocolate and orange. Wonderful job!
Thank you, Angela!
This cake is just stunning!Going to have to try that chocolate drip technique. And these flavors…can’t wait to make!
Yesssss all cakes need chocolate drips! 😀 Thanks Heather, definitely let me know how it turns out for you.
What a beautiful cake! I love the combination of orange and chocolate, and this is the perfect cake for that combo.