These Lavender Lemon Bars are a sweet twist on traditional lemon bars! Homemade lavender sugar is used in the crust and filling to add a light lavender flavor. They’re tangy, sweet, and refreshing!

Lavender Lemon Bars - close-up of lemon bars with powdered sugar and lavender buds sprinkled on top | From SugarHero.com
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I’m a simple girl with simple needs. I like my slippers fuzzy, and my gossip magazines trashy. I like my water cold and my chocolate hot, unless we’re talking about showers and ice cream, in which case, you should reverse that. And often, I like my desserts with a whiff of the flower garden about them. That’s right, I’m here to shove floral flavors into your lemon bars, and I’m not sorry about it.

I know that not everyone will be automatically excited about adding lavender to such a classic, timeless recipe. Why mess with perfection? But if you’ll give me a moment to persuade you, I think I can convince you to give it a try.

Lavender Lemon Bars - rectangular bars arranged on a plate | From SugarHero.com

How Do I Make Lavender Lemon Bars?

In this Lavender Lemon Bars recipe, lavender sugar is used in both the shortbread crust and the lemon filling, to give the tangy bars a very light floral flavor. “Lavender sugar” may sound fancy, but it’s literally something you whiz up in the food processor right before you make the lemon bars. It’s made with dried lavender and granulated sugar, for a total cost of 50 cents and a time commitment of 20 seconds (those are estimates but you get the idea.)

Lavender sugar is such a lovely ingredient. It’s very aromatic, with a woodsy, vanilla fragrance and a mildly herbal taste. I made some for Christmas gifts a few years ago, packaged in purple jars. (Pinterest wannabe, party of one.) It’s a great pantry item because it keeps for ages and is a wonderful addition to hot drinks, lemonade, or cookie recipes. So while this recipe calls for just the amount of lavender sugar you’ll need, you can always make more and keep it in your cupboard to add to coffee, cakes, or anything else that could use some flower flava!

Lavender Lemon Bars - bowl of lavender sugar with lavender buds on top | From SugarHero.com

Make sure that you’re using dried lavender intended for culinary use. It can often be found near the spices in the baking aisle of large supermarkets. I’ve had good luck finding cheap lavender at Cost Plus World Market, if you have one of those nearby. Or, of course, dried culinary lavender is also available online.

After you’ve made your lavender sugar, this recipe comes together like any other lemon bar. A simple shortbread crust, and an easy filling of eggs, lemon juice, sugar, and a bit of flour to hold everything together.

Lavender Lemon Bars - plate of lemon bars with powdered sugar sprinkled on top | From SugarHero.com

The cookies are noticeably different from your typical lemon bar, but I suspect most people probably wouldn’t be able to guess that lavender is the secret ingredient. If anything, I thought that they had a strong vanilla taste, even though there was just a bit of vanilla in the crust and none in the filling! The lavender gives them a light, fresh quality that perfectly matches the bright lemon flavor.

They’re a good way to say hello to spring, but since dried lavender is available all year long, don’t let that stop you from enjoying these any time!

🍋 More Lemon Desserts

🌺More Lavender Desserts

Seven lavender lemon bars on a round white plate with a lavender flower next to them.

Lavender Lemon Bars

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These Lavender Lemon Bars are a sweet twist on traditional lemon bars! Homemade lavender sugar is used in the crust and filling, to add a light lavender flavor. They’re tangy, sweet, and refreshing!
Prep30 minutes
Cook1 hour
Total1 hour 30 minutes
Yields20 bars

Ingredients

For the Lavender Sugar:

For the Crust:

  • 8 oz unsalted butter, (1 cup), melted and slightly cooled
  • 3.5 oz lavender sugar, (1/2 cup)
  • 2 tsp vanilla extract
  • 1/2 tsp salt
  • 9 oz all-purpose flour, (2 cups)

For the Filling:

  • 8 large eggs
  • 1 ¼ cups fresh lemon juice
  • 19.25 oz lavender sugar, (2 3/4 cups)
  • Zest of 2 lemons, (about 2 TBSP)
  • 2.25 oz all-purpose flour, (1/2 cup)
  • Powdered sugar, for serving
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Instructions 

To Make the Lavender Sugar:

  • Place the dried lavender in the bowl of a food processor and blend it for 10-15 seconds to chop it into small pieces. Add 1 cup of granulated sugar to the processor and blend well, for 15-20 seconds, until the lavender is finely ground and mixed into the sugar. Add the remaining sugar to the processor and pulse briefly until it’s well-mixed.

To Make the Crust:

  • Preheat the oven to 350 degrees Fahrenheit. Line a 9×13 pan with foil so that it extends up the sides, and spray the foil with nonstick cooking spray.
  • In a bowl, whisk together the melted butter, lavender sugar, vanilla, and salt. Once mixed, add the flour and stir with a spatula until it is combined and no streaks of flour remain. Scrape the dough into the pan and press it into an even layer. It might seem a little greasy—this is normal.
  • Bake the crust for 25-30 minutes at 350 F, until it’s golden brown on top. While the crust is baking, prepare the filling so it’s ready to go as soon as the crust is done.

To Make the Filling:

  • In a large bowl, whisk together the eggs, lemon juice, lavender sugar, and lemon zest. Sift the flour on top of the egg mixture, and whisk it in as well.
  • When the crust is done baking, slide the rack part-way out of the oven. Pour the filling over the hot crust and slide it back into the oven. Reduce the temperature to 325 F and bake for 25-30 minutes. It’s done when the center barely jiggles when you tap the pan.
  • Once done, remove the pan from the oven and let it cool until it reaches room temperature. For the cleanest cuts, refrigerate the bars and cut them when completely cold. To cut, remove the bars from the pan using the foil as handles. Use a large sharp chef’s knife and wipe it off often between cuts. 
  • Sprinkle the top with powdered sugar before serving, and add a few lavender buds on top if desired. Store Lavender Lemon Bars in an airtight container in the refrigerator for up to a week.

Recipe Notes

Lavender. Dried lavender can often be found near the spices in the baking aisle of the market.  
Crust. This crust recipe is from Alice Medrich’s Pure Dessert.

Measuring Tips

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.

Want to learn more about baking measurements and conversion?

Nutrition

Calories: 293kcal | Carbohydrates: 45g | Protein: 4g | Fat: 11g | Saturated Fat: 6g | Cholesterol: 89mg | Sodium: 85mg | Potassium: 59mg | Sugar: 32g | Vitamin A: 380IU | Vitamin C: 5.9mg | Calcium: 15mg | Iron: 1.1mg
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Hi, I’m Elizabeth — a trained pastry chef, cookbook author, video instructor, and your new Baking BFF! I’m going to teach you everything you need to know to be a sugar hero. ❤️

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66 Comments

  1. I love floral flavors in food (sweet and savory). Lavender with lemon is a delicious combination and these bars are beautiful! A little lavender goes a long way. Unfortunately, I didn’t realize that when I first purchased culinary lavender online. Turns out I have enough for a small army. I need as many lavender recipes as I can find!

  2. Gorgeous pictures! I love lavender but unfortunately never have good luck growing it. The combination of lemon and lavender is just perfect!

  3. Just brought these to a food swap potluck and they were just lovely! I don’t usually love floral flavors but it was just the perfect amount of lavender to make them interesting- very summery and fun. I did try to pile them up on a cute platter and walk half a block which as they all began to ooze together and fall on my sidewalk and myself, I decided they are much too soft to stack! Luckily after a pile of wet wipes and a glass of wine, I recovered from this mistake. And there were still enough to share. Thanks for another delightful recipe Elizabeth!

    1. So glad to hear you enjoyed them, Heather! I do think the final texture depends a lot on the bake time. It’s a tricky balance to get them firm enough to cut and serve at room temp, but not rubbery or hard…I’m glad they worked out, though! Thanks as always for your sweet comments. xoxo

    1. Hi Leigha, You can definitely cut it in half and use an 8×8 pan! The baking times for the crust and filling might need to be adjusted, so just keep an eye on it in the oven, but otherwise you should be good to go!

    1. Hi Amy,

      I haven’t tried it with oil, so I can’t say for sure. My guess is that it would work okay. Coconut oil might be a nice substitute!

  4. Made these amazing bars, SPEECHLESS! Thank you, thank you, no need to store these babies. My family’s smiling faces devoured them all in less time than it took to make a single batch; their already requesting double batches in the future. Wow!

    1. Dee, I’m so thrilled that you loved the bars! Thanks for letting me know, and please enjoy a double batch for me. 😉

  5. Tried these – what a disaster — think there is an error in your receipt in respect of the filling – how do you bake the filling and pour the filling over the crust?? it just doesn’t make sense

    1. Hi Daisy, There was a typo. The recipe should say, “When the *crust* is done baking, slide the rack part-way out of the oven. Pour the filling over the hot crust and slide it back into the oven…” I’m so sorry if that was confusing. I hope that the usage of “hot crust” in the next sentence made it a bit clearer, at least. I’ve edited it now.

  6. Lavender is certainly complimentary with lemon as an ingredient, so I can see how it’s a great idea to put the lavender into lemon bars (which are already so delicious to begin with). Thanks very much for mentioning it. I will post this very interesting recipe tomorrow on my Reddit Web page tomorrow at:

    https://www.reddit.com/r/AskRedditFood/

  7. Hi Elizabeth! I plan to make these for a party this weekend – I LOVE lavender! Right now I only have about 1 T of lavender, hesitating to buy more because, as you know, they come in huge amounts. It’s taken me about 3 years to get down to what I have now! What do you think about adding a dot of lavender oil?