German Sweet Chocolate Frosting - cooking recipe

Ingredients

1/3 c. margarine
1/3 c. milk
2 (4 oz. each) pkg. German sweet chocolate
1 lb. confectioners sugar
2 egg yolks
1 tsp. vanilla

Preparation

Heat margarine, milk and chocolate over low heat until chocolate melts.
Stir constantly.
Remove from heat.
Blend in powdered sugar, gradually, beating until smooth.