1/2 c. Crisco shortening (highest grade)
1/2 tsp. vanilla or other flavoring
1/4 tsp. salt
1 drop buttercream flavor (optional)
4 tbsp. water
1 lb. powdered sugar, sifted

Mix shortening, flavoring, salt and buttercream flavor thoroughly together. Add powdered sugar and water and mix with an electric mixer at top speed to whipped cream consistency, 5 minutes. Keep sealed and in the refrigerator. Add more water as needed. This is decorator quality icing from a cake decorating class.