Mock Angel Food Cake

One cup granulated sugar, 1 ¼ cups flour, 3 teaspoons baking powder, 1/8 teaspoon salt, 1 teaspoon vanilla, 1 cup milk, 3 eggs (whites).
Sift flour and sugar four times. Add baking powder and sift again. Add salt and sift.
Heat milk to the boiling point. Stir into dry ingredients. Add vanilla and fold in the whites of eggs beaten stiff and dry with a whisk. Drop from teaspoon into buttered molds and bake 20 minutes in a moderate oven.