Chocolate Marshmallow Icing - cooking recipe

Ingredients

1/2 cup butter or 1/2 cup margarine
2 cups sugar
2/3 cup evaporated milk
1 cup semi-sweet chocolate chips
12 large marshmallows
1 teaspoon vanilla extract

Preparation

Combine butter, sugar, and evaporated milk in a saucepan.
Bring to a boil.
Cook for five minutes and then add remaining ingredients.
Beat until spreading consistency.