Cake Frosting - cooking recipe

Ingredients

1 c. milk
3 heaping Tbsp. flour
1 c. margarine
1 c. sugar
1 tsp. vanilla
2 Tbsp. cocoa (optional)

Preparation

Cook and stir milk and flour until thick.
Set aside to cool. Cream margarine and add sugar; beat until very light and fluffy. Add vanilla.
Add milk and flour mixture and beat.