Mahogany Cake - cooking recipe

Ingredients

1/2 c. cocoa
1/2 c. milk
1 1/2 c. white sugar
1/2 c. butter
1/2 c. sweet milk
1 tsp. baking soda
3 eggs
2 c. cake flour
1 tsp. vanilla

Preparation

Cream butter and sugar; add beaten egg yolks.
Dissolve soda in milk and add alternately with sifted flour.
Mix cocoa and milk to make custard; add to cake mixture, then add beaten egg whites. Pour into well greased pan.
Bake in moderate oven 35 minutes.