Whipped Frosting - cooking recipe

Ingredients

4 Tbsp. flour
1 c. milk
1/2 lb. margarine (2 sticks)
1 c. sugar
1 tsp. vanilla

Preparation

Cook flour and milk until thick.
Cool overnight in a covered bowl in the refrigerator.
Beat margarine.
Add sugar and beat until white.
Add vanilla.
Add flour mixture last.