Never Fail Chocolate Frosting - cooking recipe

Ingredients

2 c. sugar
2 sq. chocolate or 3 Tbsp.
1/2 c. milk
1 stick margarine
1 tsp. vanilla

Preparation

Combine all ingredients except vanilla.
Stir until sugar dissolves over moderate heat.
When mixture comes to rapid boil, boil 2 minutes.
Remove from heat; add vanilla.
Cool and then beat to spreading consistency.
Set in cold ice water and stir constantly to cool.
Spread on cake when it just starts to thicken.