Classic White Chocolate Fluffy Sponge Cake

Melt the white chocolate in the microwave

Stir in the heavy cream until smooth

Let cool, then refrigerate and reserve

Before assembling, beat the ganache in a mixer for one minute until creamy

Beat egg whites until stiff peaks form; set aside

In another bowl, beat egg yolks and sugar on high speed until well combined

Gradually add warm milk, then flour, and finally fold in egg whites and baking powder

Preheat oven to 350°F (180°C). Pour batter into a deep round cake pan without a hole. Bake until golden brown

Let cake cool completely, then unmold and cut into 3 layers. Fill with ganache between the layers

Top with whipped cream and decorate with white chocolate shavings or colorful sprinkles