Cornflour Sponge - cooking recipe

Ingredients

3 eggs
4 ounces sugar
1 teaspoon baking powder
20 ml flour
3 ounces cornflour

Preparation

Beat eggwhites until stiff.
Add sugar and beat again until mixure is very stiff.
Add yolks and beat again.
Sift in dry ingredients and mix well.
Bake at 375 F for 12-15 minutes.
Do not open oven for 12 minutes.