For preparing sponge cake, first sift maida flour with baking powder and keep aside.

Beat the egg yolks with 1 1/2 cup water till frothy.

Add sugar little by little and continue beating until smooth.

Add essence and maida flour and mix gently.

Meanwhile, whisk the egg whites with a pinch of salt and fold gently into the flour mixture.

Grease a baking tray and pour the cake mixture. Bake at 350 degrees until the top turns golden.

Sponge cake is ready and enjoy.