Email to Valarie Larson Recipe Categories: valarie422's HOME PAGEAPPETIZERS BEVERAGES BREAD BREAKFAST CAKESandPIES CakesFrostings CANDY CASSEROLES COOKIES CROCKPOT DESSERTS ETHNIC FISHandSEAFOOD Holidays MEATS PASTA Pies PIZZA PotLuckHits POULTRY RICE Salads SANDWICHES SOUPSandSTEWS VEGETABLES Mock Whipped Frosting List of Ingredients 1 c. milk 2 T. corn starch 1/2 c. butter 1/3 c. shortening 1 c. sugar 1 t. vanilla Recipe Heat milk and corn starch just until thickened; cool completely. Cream together butter, shortening, and sugar. Beat together both mixtures and vanilla until smooth. Frosts two 8" or 9" layers.