Ingredients
– ¾ cup unsalted butter, softened to room temperature
– ¾ cup granulated sugar
– 1 tablespoon fresh lemon zest
– 3 large egg whites, at room temperature
– 1 ¾ cups cake flour (fluffed, spooned, leveled)
– ¼ teaspoon coarse kosher salt (use half if table salt)
– 1 ½ teaspoons baking powder
– 1 teaspoon dried edible lavender, finely ground
– ½ cup whole milk
– ½ cup full fat sour cream
– 1 ½ teaspoons vanilla extract
– 1 cup fresh blackberries, cut into ¼ inch chunks
– 1 ½ cups unsalted butter, softened to room temperature
– ¼ cup blackberry preserves
– 2 teaspoons vanilla extract
– 3 cups powdered sugar
– 2 teaspoons meringue powder (optional for stability and texture)
– ¼ teaspoon coarse kosher salt (use half if table salt)
– 1 teaspoon dried edible lavender, finely ground
– Fresh blackberries for decorating
– Sparkling sugar for decorating
– Nonpareils for decorating
Instructions
1-Preheat oven to 350°F and prepare 18 cupcake liners in muffin pans.
2-Beat butter, sugar, and lemon zest until light, then add egg whites and mix well.
3-Sift dry ingredients and whisk in lavender; in another bowl, combine milk, sour cream, and vanilla.
4-Add dry and wet mixtures alternately to the butter mix on low speed.
5-Fold in blackberries gently and divide batter into liners.
6-Bake for 18-22 minutes, then cool on a rack.
For the buttercream, beat the butter smooth, add preserves and vanilla, then gradually mix in powdered sugar and other items. Whip until fluffy and pipe onto cooled cupcakes. This process, tested at 5280 feet, ensures great results with tips like using small blackberry pieces to avoid sinking.
Last Step:
Please leave a rating and comment letting us know how you liked this recipe! This helps our business to thrive and continue providing free, high-quality recipes for you.Notes
🫐 Use small pieces of fresh blackberries to prevent sinking.
🌸 Grind dried lavender finely and use sparingly to avoid a soapy flavor.
🍰 Meringue powder is optional but helps stabilize buttercream and improve texture.
- Prep Time: 30 minutes
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- Cook Time: 20 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1 cupcake