Dulce de Leche Swirl Pound Cake

I live with a dulce de leche lover. I’d even go so far as to say he’s a dulce de leche lovah. Jason-and-dulce-de-leche-sitting-in-a-tree territory. I don’t even know why I bother making fancy desserts, when I could just boil a can of condensed milk, give him a can opener and a spoon, and completely make his week.

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So when I saw a recipe for pound cake made with condensed milk on 17 and Baking, I immediately starting thinking of ways I could dulce de leche-ify it. I thought about simply replacing the condensed milk with thinned dulce de leche (which still sounds awesome) but then I decided that adding pockets of dulce de leche swirled throughout the cake sounded awesomer. And it was.

dulce-de-leche-swirl-poundcake-1

This cake has a moist, dense texture. It’s fragrant with vanilla and the milky sweetness of condensed milk, and best of all, is filled with caramel swirls of dulce de leche throughout. I think I just made Jason’s year.

I made this cake a few times before I got a version I loved. It was something of a Goldilocks quest: the first batch was underbaked and soggy in the middle. The next was dry and overdone on the edges. But finally, it was just right. What I’ve discovered is that the texture of the dulce de leche is important: too thick and it all sinks like a stone to the bottom, but too thin and it blends into the cake without making distinct swirls.

[Don’t be fooled by the picture below. The dulce de leche dripping alluringly from the pound cake? Is way too thin to work. It’s nice as a topping, but the stuff baked into the cake should have more body.]

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To get my perfect texture, I make dulce de leche in the slow cooker, which takes about 8 hours, but has the benefit of being completely brainless. I literally stick it in there and forget about it for the day, and when 8 hours are up I have perfect dulce de leche, every time.

If you follow the recipe below you will end up with twice as much dulce de leche as the recipe calls for, and for that I apologize. Well, actually, I “apologize,” since extra dulce de leche is hardly a bad thing. It’s simply easiest to make it if you use a whole can, but you’ll only need half a can’s worth for the swirls. I recommend thinning out the extra and using it as a cake topping, or simply doubling the recipe and freezing one of the loaves.

You can also use store-bought dulce de leche, but make sure you use a variety that is thick, almost like peanut butter, not thin like caramel sauce.

Dulce de Leche Swirl Pound Cake
adapted from a cake recipe in The Sweet Spot by Pichet Ong
yield: one 8.5” loaf

Print this Recipe!

To Make Dulce de Leche (prepare one day in advance)
1 can sweetened condensed milk

To Make the Pound Cake
1 1/3 cup all-purpose flour
3/4 tsp baking powder
1/2 tsp salt
8 oz unsalted butter, at room temperature
1/3 cup packed brown sugar
3 large eggs, at room temperature
1 tbsp vanilla extract
3/4 cup sweetened condensed milk
2/3 cup dulce de leche

To Make Dulce de Leche
My favorite way of making dulce de leche is in a slow cooker. Place the can of condensed milk in the slow cooker and cover it with water until the can is completely submerged. Cover the slow cooker and cook it on low for 8 hours. After 8 hours, carefully remove the can from the water and let it cool completely to room temperature before opening it. The dulce de leche should be thick, almost like peanut butter. If it is too thick and closer in texture to caramel candy, whisk a little milk or cream in to loosen it up.

If you don’t have a slow cooker, you can place the can in a saucepan and cover it completely with water. Cook it at a low simmer over medium heat for four hours, refilling the saucepan as necessary so the can is always covered with water. Let it cool at room temperature before using.

To Make the Pound Cake
Preheat the oven to 325 degrees Fahrenheit. Spray an 8.5×4.5 inch bread pan with nonstick cooking spray.

In a small bowl, whisk together the flour, baking powder, and salt, and set aside for now.

Place the butter and brown sugar in the large bowl of a stand mixer, and mix them together at medium speed until light and fluffy, about 3 minutes. Add the eggs one at a time, mixing until they’re fully incorporated. Add the vanilla extract and the condensed milk, and mix it in.

With the mixer running on low speed, slowly stream in the dry ingredients, and mix until they’re almost incorporated. Finish mixing the batter by hand with a spatula, scraping the bottom and sides of the bowl and making sure there are no streaks of flour or butter.

Spoon about a third of the batter into the prepared pan and smooth it into an even layer. Drop half of the dulce de leche on top of the batter in large spoonfuls. Pour half of the remaining batter on top of the dulce de leche, and spoon the rest of the dulce de leche on top of the batter. Finally, cover the dulce de leche with the last of the batter and smooth it out. Take a table knife and run it through the batter briefly to swirl the dulce de leche. Don’t overwork it, or the dulce de leche will sink to the bottom and you’ll lose the swirled effect.

Bake the pound cake at 325 F for 60-65 minutes. If the top starts to darken before the cake is cooked, cover it loosely with foil to prevent it from getting too brown. Test the center of the cake with a skewer to make sure that it’s fully cooked in the middle.

Cool the pound cake on a wire rack at room temperature. Once barely warm, turn it out of the pan and allow it to cool completely. Cut it into thick slices to serve.

14 Responses to Dulce de Leche Swirl Pound Cake
  1. Jason says:

    Pro-tip for all your dulce-de-leche lovers: It’s best to insistently refer to this treat as “bread with milk” – after all, it’s baked in a loaf pan, cut in slices, and served with extra [sweetened condensed] milk. Calling it “bread with milk” makes it much easier to justify having some for breakfast, an afternoon snack, and both an appetizer and dessert (all true stories).

  2. huimin says:

    may i know when do u add in the 4/3 cup sweetened condensed milk? thanks!

    • Elizabeth says:

      Hi Huimin,

      The 2/3 cup of condensed milk is added after the eggs, along with the vanilla–before the dry ingredients are added. Sorry for that omission! I’ve fixed the recipe above.

  3. [...] Dulce de Leche Swirled Pound Cake at Sugarhero [...]

  4. [...] Dulce de Leche Swirled Pound Cake at Sugarhero [...]

  5. Dulce de leche is great with everything in my opinion! This is a fabulous recipe, and gorgeous pics!

  6. bettyagnes says:

    OH MY GOODNESS. I have to say, I bake A LOT (I mean, A VERY LOT) and this is, hands down, one of THE BEST cakes I have EVER made or eaten. Seriously. So amazing and buttery and moist and more amazingness. THANK YOU! Mine took a bit longer to bake and I added a 1/2 cup of cinnamon chips just because I wanted to get rid of them, but… WOW.

    • Elizabeth says:

      Thank you Betty! So glad that such an experienced baker enjoyed the cake! And cinnamon chips sound like an awesome addition…maybe I should make it again just to try them? :)

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  8. Jackie says:

    Hi Elizabeth

    I don’t have a slow cooker, is there any other way that I can make the Dulce de Leche. I read somewhere that you could also bake it in the oven.

    • Elizabeth says:

      Hi Jackie,

      You can definitely make dulce de leche without a slow cooker! You can boil an unopened can in a pan of water on the stovetop for 2-3 hours (making sure the can stays covered with water the whole time) or you can bake it in the oven. David Lebovitz has good instructions for how to do this:

      http://www.davidlebovitz.com/2005/11/dulce-de-lechec/

      Hope this helps!

  9. […] Recipe and photo credit to  sugarhero.com […]

  10. Claire says:

    Hi there
    I have a 10 year old turning 11 and wants a caramel swirl cake for her birthday cake.
    I thought I might give this one the birthday treatment but was wondering if I wanted to frost it what frosting you would suggest?

    Thanks
    Claire

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