Old-Fashioned Chocolate Icing - cooking recipe

Ingredients

2 c. sugar
1 1/2 sticks margarine
1 large can evaporated milk
4 1/2 heaping tsp. cocoa
1 tsp. vanilla

Preparation

Mix sugar and cocoa in thick or heavy pot.
Add milk to moisten.
Add remainder of milk gradually, stirring continuously. Add remaining ingredients.
Place on burner, medium-high, stirring constantly.
Cook for 20 minutes or until it won't boil up.