1/2 C. butter
2 C. sugar
3 eggs
1 C. sour milk
2 1/2 C. sifted flour
1 tsp. baking soda
1 tsp. baking powder, rounded
2/3 C. cocoa dissolved in 1/2 C. boiling water
1/4 tsp. salt
1/4 tsp. vanilla extract
Recipe
Sift flour, baking soda, baking powder and salt together. Cream shortening; slowly beat in sugar, egg yolks and vanilla extract. Add cocoa and flour mixture alternately with milk. Fold in stiffly beaten egg whites. Pour into 2 greased layer cake tins. Bake 25 minutes at 375ºF, or use greased 9-inch square tin, baking 45 minutes at 350ºF.
Ice with a Seven Minute Frosting:
2 egg whites
1 1/2 cups white sugar
1/3 cup cold water
1 1/2 teaspoons light corn syrup
1 teaspoon vanilla extract
Put egg whites, sugar, water and syrup in top of double boiler. Beat until mixed well. Place over rapidly boiling water. Beat constantly with electric beater while it cooks for 7 minutes or until it will stand in peaks when beater is raised. Remove from heat. Add vanilla. Beat. Fills and frosts 2 layer cake, 8 or 9 inch.