Papa'S Feather Cake(Century Old Recipe) - cooking recipe

Ingredients

1 c. butter
2 c. granulated sugar
3 tsp. baking powder
1 c. milk
3 c. sifted flour
6 egg whites
1 tsp. vanilla

Preparation

Cream butter thoroughly; add sugar slowly, beating constantly. Add baking powder sifted with flour.
Alternate milk and flour in mixing.
Add egg whites, beaten stiff, to be folded in last.
Add vanilla.