Ingredients:
- 1 cup (120g) all-purpose flour
- 1/2 teaspoon baking powder
- 1/4 teaspoon salt
- 1/2 cup (115g) unsalted butter, melted
- 3/4 cup (150g) granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- Zest of 1 lemon
- 2 cups (240g) all-purpose flour
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon salt
- 3/4 cup (170g) unsalted butter, softened
- 1 1/2 cups (300g) granulated sugar
- 3 large eggs
- 1 teaspoon vanilla extract
- 1 cup (240ml) milk
- Zest of 1 lemon
- 1 cup (230g) unsalted butter, softened
- 4 cups (480g) powdered sugar
- 1/4 cup (60ml) milk
- 1 teaspoon vanilla extract
- Lemon zest for garnish
Instructions:
- Preheat oven to 375°F (190°C).
- Prepare madeleine batter by whisking together flour, baking powder, and salt in a bowl. In another bowl, combine melted butter, sugar, eggs, vanilla, and lemon zest. Fold in dry ingredients until just combined.
- Grease madeleine pan and fill with batter. Bake for 10-12 minutes until golden and slightly puffed. Let cool.
- Prepare layer cake batter by whisking flour, baking powder, and salt in a bowl. In a mixing bowl, cream butter and sugar until light and fluffy. Add eggs, vanilla, and lemon zest, then alternate adding dry ingredients and milk, mixing until smooth.
- Divide layer cake batter between prepared pans. Bake for 25-30 minutes until a toothpick comes out clean. Cool in pans for 10 minutes, then transfer to wire racks.
- Prepare frosting by beating softened butter until creamy. Gradually add powdered sugar, mixing until smooth, then add milk and vanilla, beating until spreadable.
- Assemble the cake by leveling the cakes as needed. Place one layer on a serving plate and spread frosting on top, then add a layer of madeleines and place the second cake layer on top. Frost the top and sides.
- Garnish with lemon zest and chill for 20 minutes before serving.