German Chocolate Cake - cooking recipe

Ingredients

1 bar German sweet chocolate
1/2 c. hot water
4 eggs
2 sticks margarine
1/2 tsp. salt
2 tsp. vanilla
2 c. sugar
1 tsp. baking soda
2 1/4 c. sifted flour
1 c. buttermilk

Preparation

Combine chocolate and hot water; refrigerate while mixing other ingredients.
Separate eggs; beat whites until stiff.
Set aside egg whites.
Mix margarine, salt, vanilla, sugar and baking soda, then add chocolate, flour and buttermilk.
Fold in beaten egg whites.
Bake in 9 x 13-inch pan lined with waxed paper.