Granny Wilson'S Candy Chocolate Frosting - cooking recipe

Ingredients

1/2 cup cocoa
1/2 cup butter
1/2 cup milk
2 cups sugar
1 teaspoon vanilla

Preparation

Mix cocoa, butter, milk, and sugar in sauce double boiler over medium heat. Let come to a rolling boil for 1 1/2 minutes.
Beat until spreadable.
Add 1 ts vanilla.