German Chocolate Cake - cooking recipe

Ingredients

1 bar German sweet chocolate
1/2 c. water
4 eggs, separated
2 sticks margarine
2 c. sugar
1/2 tsp. salt
1 tsp. baking soda
2 tsp. vanilla
1 c. buttermilk
2 1/4 c. flour
beaten egg whites

Preparation

Melt chocolate in hot water, 1 1/2 minutes in microwave.
Mix together next 6 ingredients (separate eggs; beat whites until very stiff and set aside).
Add chocolate, buttermilk and flour.
Fold in beaten egg whites.
Bake in 13 x 9-inch pan for 40 minutes at 350\u00b0.