Hot Water Sponge Cake
Yolks 2 eggs
1 cup sugar
⅜ cup hot water or milk
¼ teaspoon lemon extract
Whites two eggs
1 cup flour
1½ teaspoons baking powder
¼ teaspoon salt
Beat yolks of eggs until thick and lemon-colored, add one-half the sugar gradually, and continue beating; then add water, remaining sugar, lemon extract, whites of eggs beaten until stiff, and flour mixed and sifted with baking powder and salt. Bake twenty-five minutes in a moderate oven in a buttered and floured shallow pan.