German Sweet Chocolate Cake - cooking recipe

Ingredients

1 pkg. Baker's German's sweet chocolate
1/2 c. boiling water
1 c. margarine
2 c. sugar
4 egg yolks, beaten
1 tsp. vanilla
2 1/2 c. sifted cake flour
1 tsp. soda
1/2 tsp. salt
1 c. buttermilk
4 egg whites, stiffly beaten

Preparation

Melt chocolate in 1/2 cup boiling water; cool.
Cream margarine and sugar until light and fluffy.
Add egg yolks, one at a time, beating after each.
Add vanilla and chocolate; mix until blended.
Sift flour with soda and salt.