Chocolate Icing - cooking recipe

Ingredients

2 c. sugar
1/2 c. margarine
1/2 c. milk
1/4 c. cocoa
1 tsp. vanilla

Preparation

Mix all ingredients together. Cook on medium heat and bring to a rolling boil that won't stir down. Boil 1 minute, remove from heat and add 1 tsp. vanilla. Cool and beat until thick enough to spread.