1. Mix flour into cold milk with a wire whisk. Refrigerate overnight (or at least 6 hours). 2. Beat butter, shortening, and sugar on high speed until very light and fluffy (around 8 minutes). 3. Let stand for 30 minutes, add vanilla and chilled flour mixture, and beat well. 4. Frosting is now ready to be used. 5. This frosting will NOT work for a decorator's frosting - it won't set up hard. ---------------------------------------------------------------------------
Nutrition
Ingredients
