Sponge Cake - cooking recipe

Ingredients

6 eggs
1 c. sifted flour
1 tsp. baking powder
1 tsp. vanilla
1 c. sugar

Preparation

Separate eggs.
Beat whites for 10 minutes.
Set aside.
Add sugar to egg yolks and beat 15 minutes.
Combine egg yolks with egg whites and beat 2 minutes more.
Add flour gradually until well blended.
Add baking powder with 1 tsp. flour while beating mixture slowly.
Add vanilla and beat only 1 to 2 minutes more. Bake in large round 12- inch pan, lightly greased and floured at 350\u00b0 for 45 - 50
minutes.
Do not open oven.
Do not use tube pan, it's not large enough for this batter.