sponge cake

For the Malted Milk Chocolate Robin's Egg Cake:Ingredients:- 2 cups all-purpose flour- 1 cup malted milk powder- 1 cup cocoa powder- 2 teaspoons baking powder- 1/2 teaspoon baking soda- 1/2 teaspoon salt- 1 cup unsalted butter, softened- 2 cups granulated sugar- 4 large eggs- 1 teaspoon vanilla extract- 1 1/2 cups buttermilkFor the Frosting:- 1 cup unsalted butter, softened- 4 cups powdered sugar- 1/2 cup malted milk powder- 1/2 cup cocoa powder- 1/4 cup milk- 1 teaspoon vanilla extractFor Decoration:- Robin's egg blue and brown gel food coloring- Mini chocolate eggs or candy specklesInstructions:1. Preheat your oven to 350°F (175°C). Grease and flour three 8-inch cake pans.2. In a bowl, whisk together flour, malted milk powder, cocoa powder, baking powder, baking soda, and salt.3. In another large bowl, cream together butter and sugar until light and fluffy. Add eggs one at a time, beating well after each addition. Stir in vanilla extract.4. Gradually add the dry ingredients to the wet ingredients, alternating with buttermilk. Begin and end with the dry ingredients. Mix until just combined.5. Divide the batter evenly among the prepared pans. Smooth the tops and bake for 25-30 minutes or until a toothpick inserted into the center comes out clean.6. Allow the cakes to cool in the pans for 10 minutes, then transfer them to a wire rack to cool completely.For the Frosting:1. In a large bowl, beat butter until creamy. Add powdered sugar, malted milk powder, cocoa powder, milk, and vanilla extract. Beat until smooth and fluffy.Assembly:1. Level the cooled cakes if necessary. Place one layer on a serving plate and spread a layer of frosting on top.2. Repeat with the remaining layers. Use the remaining frosting to cover the entire cake, creating a smooth finish.3. Divide a small portion of frosting and tint it robin's egg blue. Decorate the cake with a speckled effect using the blue and brown frosting.4. Place mini chocolate eggs or candy speckles on top for a finishing touch.Slice into a slice of