Old Fashioned chocolate Icing - Awesome old fashioned boiled icing

 

3 1/2 cups of powdered sugar

1/2 cup of unsweetened cocoa

1/2 cup of milk

1 stick of butter (melted)

1 1/2 tsp vanilla extract 

Cook  in a medium saucepan over low heat until melted bring to a simmer add nuts if desired pour on warm cake.