Source: Two Sisters Note: This makes enough to frost a 9"x13" pan. Double if frosting a layer cake. Ingredients: 1 stick butter, softened 2 cups powdered sugar 1/2 teaspoon vanilla 1-2 tablespoons milk 3 fun size Butterfinger bars (about 2 oz) Directions: Beat butter on high speed until creamy. Add the sugar and gradually increase the mixing speed until well mixed. Add the vanilla and 1 tablespoon of milk. Beat until creamy. Add more milk if needed to reach desired consistency. Crush the Butterfinger bars in a bag, then add to the icing and mix in.