Rich Chocolate Frosting - cooking recipe

Ingredients

1/4 c. margarine
2 1/2 c. sifted confectioners sugar
3 egg yolks
3 sq. melted unsweetened chocolate (3 oz.)
1 tsp. vanilla
1 to 2 Tbsp. hot water

Preparation

Cream margarine and sugar.
Add egg yolks, beating after each. Stir in cooled melted chocolate.
Blend in vanilla and add water until it is at spreading consistency.