6 tbsp. flour
1 c. milk
1/4 c. Crisco or shortening, softened
1 stick butter, softened
1 tsp. vanilla
1 c. confectioners' sugar
Food coloring, optional

In small saucepan, combine flour and milk. Stir over medium flame until flour dissolves. Continue stirring until mixture begins to form paste. Set aside. Cool completely.

In bowl, combine Crisco and butter. Add cooled paste. Blend thoroughly until creamy. Add sugar and vanilla. Mix at medium speed. Add food coloring if desired.