White Cake - cooking recipe

Ingredients

2 c. sugar
1/2 c. butter
3 c. flour (cake flour)
3 tsp. baking powder
1 c. cold water
1/2 tsp. vanilla
4 egg whites

Preparation

Sift flour and baking powder together 3 times.
Cream butter and sugar until fluffy; add vanilla.
Add dry ingredients and water alternately in small amounts, beating well after each addition, then fold in beaten egg whites.
Bake in moderate oven. Cover with favorite icing.