How to make a perfect sponge cake ? Well the recipe for making best sponge cake is here. This easy and soft sponge cake can be eaten as tea time cake. Simple and delicious sponge cake to make for your kids and family. you can easily make this cotton soft sponge cake at home. Sponge cake easy recipe ingredients 65 grams all purpose flour / maida 65 grams melted unsalted butter 65 grams milk 65 grams powdered sugar 4 eggs 1/2 tsp vanilla essence How to make castella cake recipe 1. Break 4 eggs 2.