Sponge Cake - cooking recipe

Ingredients

1 1/4 c. cake flour
1 1/2 c. sugar
1/2 tsp. baking powder
6 egg whites
6 egg yolks
1/2 tsp. salt
1 tsp. cream of tartar
1/4 c. cold water
1 tsp. vanilla
1 tsp. lemon extract

Preparation

Sift together flour, only 1 cup of the sugar and baking powder.
Separate the eggs.
Combine egg whites, salt and cream of tartar; beat until soft mounds form, then add 1/2 cup sugar, a tablespoon at a time.
Beat until very stiff.
Beat egg yolks; combine with water, vanilla and lemon extract.
Add dry ingredients to egg yolk mixture.
Fold in egg white mixture.
Pour into ungreased tube pan.
Bake at 350\u00b0 for 40 to 50 minutes. Cool; frost with Fluffy Icing.