Easy Chocolate Icing - cooking recipe

Ingredients

2 c. sugar
4 Tbsp. cocoa
1/2 c. milk
1 stick butter
1 tsp. vanilla

Preparation

Mix sugar and cocoa until smooth.
Add milk, butter and vanilla.
Cook on medium heat for 2 minutes after it boils.
Let cool and beat until creamy.
Will frost a 9 x 13-inch cake.