12 egg yolks
3 c. sugar
3/4 c. cold water
1 tbsp. vanilla
3 c. sifted cake flour
12 egg whites
2 1/4 tsp. baking powder

Beat egg yolks for about 5 minutes. Add sugar and beat about 3 minutes. Add water, vanilla and flour and beat 5 minutes. Beat egg whites with baking powder until soft peaks form, then fold into batter. Pour into 12-inch pan and bake for 1 hour at 350 degrees. Turn upside down until cake comes loose from pan.