Whipped Icing - cooking recipe

Ingredients

1 c. milk
4 Tbsp. flour
1/2 c. margarine
1/2 c. Crisco (it is best to use Crisco)
1 c. sugar
1 tsp. vanilla

Preparation

Cook milk and flour until thick; cool.
Beat margarine, Crisco and sugar for 4 minutes (scraping bowl often).
Add cooled, thickened mixture.
Beat 4 more minutes.
Add vanilla and beat 1 more minute.