1 c. or 2 sticks butter
2 c. sugar
4 egg yolks
1 tsp. vanilla
3 c. plain flour
1/4 tsp. salt
3 tsp. baking powder
1 c. milk
4 stiffly beaten egg whites

Thoroughly cream butter and sugar; add egg yolks and vanilla and beat well. Add sifted dry ingredients alternately with milk. Fold in egg whites. Pour into 3 waxed paper lined 8" or 9" round layer cake pans. Bake at 350 degrees for 30 minutes.