White Chocolate Layer Cake: Ingredients: For the Sponge Cake: 1 cup all-purpose flour 1 tsp baking powder 4 large eggs 1 cup sugar 1/4 cup melted butter 1 tsp vanilla extract 1/4 cup milk For the White Chocolate Cream Filling: 8 oz (225 g) white chocolate, chopped 2 cups heavy cream 1 tsp vanilla extract 1 tbsp powdered sugar (optional, to taste) For the Frosting and Decoration: 1 cup whipped cream 1/2 cup grated or curled white chocolate 1/4 cup shredded coconut (optional) Instructions: 1. Make the Sponge Cake: Preheat your oven to 350°F (175°C). Grease and line two 8-inch (20 cm) round cake pans. Sift the flour and baking powder together. In a mixing bowl, beat the eggs and sugar on high speed until pale and thick (about 5-7 minutes). Gently fold in the melted butter, vanilla extract, and sifted flour mixture, alternating with the milk. Be careful not to overmix. Divide the batter between the two pans and bake for 20-25 minutes, or until a toothpick inserted comes out clean. Let the cakes cool completely. 2. Prepare the White Chocolate Cream Filling: Heat 1/2 cup of the heavy cream in a saucepan over medium heat until it begins to simmer. Remove from heat and pour the hot cream over the chopped white chocolate in a bowl. Stir until the chocolate is