Fudge Frosting - cooking recipe

Ingredients

2 c. sugar
1/2 c. unsweetened cocoa
1/2 c. milk
1 stick margarine
1 tsp. vanilla

Preparation

In a 2 or 3-quart saucepan, combine all ingredients, except vanilla.
Bring to a rolling boil, stirring.
A rolling boil is one that cannot be stirred down. Boil for 1 minute. Cool.
Add vanilla.