Quick Sponge Cake - cooking recipe

Ingredients

4 egg yolks, beaten (save whites)
1 c. sugar
3 Tbsp. cold water
1/2 tsp. vanilla
pinch of salt
1 c. flour
1 tsp. baking powder

Preparation

Beat egg yolks; cream in the sugar.
Add exactly 3 tablespoons of cold water.
Add vanilla, salt, flour and baking powder.
In a separate bowl, beat egg whites until stiff.
Fold into first mixture.
Bake about 1 hour at 325\u00b0 or until firm to the touch and a delicate brown.