1 c. butter
3 c. sugar
6 eggs, separated
3 1/2 c. flour (all-purpose)
1/4 tsp. salt
2 tsp. baking powder
1 c. milk
1 tsp. vanilla

Cream butter and sugar. Add egg yolks, well beaten. Add sifted flour, salt and baking powder alternately with milk. Add vanilla and stiffly beaten egg whites.

Bake in greased tube pan at 350°F for about 1 hour.