Ann'S Custard Frosting - cooking recipe

Ingredients

1/2 c. margarine
1/2 c. Crisco shortening
1 c. sugar
3 Tbsp. flour
2 tsp. vanilla
2/3 c. milk

Preparation

On high speed, beat margarine, Crisco and sugar until fluffy and white.
Add 3 tablespoons flour, one at a time, until well blended.
Add slowly the milk; beat well.
Blend in vanilla.
Beat until light and fluffy.
Refrigerate.