Aunt Millie's Fudge Icing

This is My Great Aunts Fudge Icing love it on a cake.

• Ready In: 15 mins
• Yields: 1 sheet cake

Ingredients

• 1⁄2 cup margarine or 1⁄2 cup butter
• 4  tablespoons  cocoa
• 6  tablespoons buttermilk
• 1  lb powdered sugar
• 1  teaspoon vanilla

Directions

1. Melt butter, add cocoa and buttermilk. Bring to a boil.
2. Remove from heat and add vanilla and powder sugar.
3. Allow to cool then spread on cake.
4. For those who purchase powder sugar in larger quantities 3 1/2cups = 1# powder sugar.