Favorite Cocoa Fudge Icing - cooking recipe

Ingredients

2 c. sugar
1 stick margarine
1/2 c. milk
6 Tbsp. cocoa
1 tsp. vanilla (add after cooking)

Preparation

In saucepan, cook mixture until it boils and then allow it to boil for 1 to 3 minutes, stirring constantly.
Let cool while cake bakes.