Desserts & Drinks

Lemon Lavender Cake: A Bright, Floral Layer Cake Recipe

Name: Lemon Lavender Cake
Prep time: 30 min
Cook time: 25 min
Total time: 55 min
Yield: 12 servings
Ingredients: For the cake: 2 1/2 cups (300g all-purpose flour, 2 teaspoons baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon salt, 1 cup (226g) unsalted butter, softened, 1 3/4 cups (350g) granulated sugar, 4 large eggs, room temperature, 2 teaspoons vanilla extract, 1 tablespoon culinary lavender buds, finely ground, 1 tablespoon lemon zest (from 2 lemons), 1 cup (240ml) buttermilk, room temperature, 1/4 cup (60ml) fresh lemon juice); For the lavender buttercream: 1 cup (226g unsalted butter, softened, 4 cups (480g) powdered sugar, sifted, 2 tablespoons heavy cream, 1 teaspoon vanilla extract, 1 1/2 teaspoons culinary lavender buds, finely ground, 2-3 tablespoons milk, as needed); For the lemon curd filling: 1/2 cup (120ml fresh lemon juice, 1/2 cup (100g) granulated sugar, 3 large egg yolks, 1 large egg, 4 tablespoons (56g) unsalted butter, cold, cut into pieces, 1/8 teaspoon salt)

By Lucas Brooks · Page 1 of 3

Recipe at a glanceLemon Lavender Cake

Prep30 min

Cook25 min

Total55 min

Servings12

Calories420

What you'll need (3 ingredients)

For the cake: 2 1/2 cups (300g all-purpose flour, 2 teaspoons baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon salt, 1 cup (226g) unsalted butter, softened, 1 3/4 cups (350g) granulated sugar, 4 large eggs, room temperature, 2 teaspoons vanilla extract, 1 tablespoon culinary lavender buds, finely ground, 1 tablespoon lemon zest (from 2 lemons), 1 cup (240ml) buttermilk, room temperature, 1/4 cup (60ml) fresh lemon juice)
For the lavender buttercream: 1 cup (226g unsalted butter, softened, 4 cups (480g) powdered sugar, sifted, 2 tablespoons heavy cream, 1 teaspoon vanilla extract, 1 1/2 teaspoons culinary lavender buds, finely ground, 2-3 tablespoons milk, as needed)
For the lemon curd filling: 1/2 cup (120ml fresh lemon juice, 1/2 cup (100g) granulated sugar, 3 large egg yolks, 1 large egg, 4 tablespoons (56g) unsalted butter, cold, cut into pieces, 1/8 teaspoon salt)

📥 Step-by-step instructions and the free download are on page 3.

The first time you pull this Lemon Lavender Cake from the oven, the kitchen smells like a spring garden after rain — bright citrus cutting through soft, floral warmth. That scent is exactly what I aim for when I develop a layer cake: a balance that feels special without being fussy.

Close-up of hand rubbing lemon zest and lavender buds with sugar in a small bowl to release essential oils.

This cake pairs a tender, moist lemon crumb with a silky lavender buttercream and a tangy lemon curd filling. The key is technique — how you handle the lavender, the temperature of your ingredients, and the order of mixing. Get those right, and you'll have a cake that tastes as good as it looks.

Key Ratio: Lavender and Lemon

The biggest mistake with lavender in baking is using too much. It quickly turns from floral to soapy. I keep the ratio at 1 tablespoon ground culinary lavender buds per 1 1/2 cups of sugar in the cake, and 1 1/2 teaspoons ground lavender per 4 cups powdered sugar in the buttercream. That gives a gentle floral note without overwhelming the lemon.

Always use culinary-grade dried lavender buds. Grind them with a mortar and pestle or clean spice grinder until they're a fine powder. Whole buds can be tough in the crumb and release uneven flavor.

Technique: Building the Cake Batter

Start with room-temperature ingredients — butter, eggs, and buttermilk. Cold ingredients don't emulsify properly, leaving you with a dense, greasy crumb. I let my butter sit out for an hour, and I set the eggs and buttermilk on the counter for 30 minutes before mixing.

Here's the step that makes a difference: rub the lemon zest and ground lavender into a tablespoon of the sugar before adding it to the batter. Use your fingertips to work the zest into the sugar until it's fragrant and slightly damp. This releases the essential oils and distributes the flavor evenly throughout the cake.

When you add the buttermilk and lemon juice, the batter may look slightly curdled — that's fine. The acid reacts with the baking soda to create a tender crumb. Just fold gently until no streaks of flour remain.