Sponge Cake
4 eggs
1 cup sugar
1-1/2 cups flour
1 teaspoon baking powder
3/4 cup water
1 teaspoon vanilla
Sift the sugar
Then sift the baking powder with 1/2 cup flour
Sift the sugar and add gradually to the well beaten yolks, beating constantly
Add the flavoring the water and one cup of flour
Sift the baking powder with 1/2 cup flour and add to the batter
Fold in the stiffly beaten whites
Pour into a special sponge cake pan
Ungreased, and bake for 30 to 45 minutes in a moderate oven
When baked, invert the pan and cool
Remove from the pan and serve top side down,
Sprinkled with powdered sugar
From Chicago Evening American Cookbook 1932