Easy Frosting - cooking recipe

Ingredients

4 Tbsp. flour
1 c. milk
1/2 c. Crisco or any shortening
1 c. granulated sugar
1 stick butter or margarine
1 tsp. flavor (optional)

Preparation

Cook over medium heat until thick or bring to a slight boil the flour and milk.
Cool.
Beat Crisco, granulated sugar and cooled milk and flour mixture until smooth.
Add softened butter or margarine.
Beat until light and fluffy.
Frosts 8 or 9-inch layer cake.
May add flavoring if so desired.