White Frosting - cooking recipe

Ingredients

1/2 c. (1 stick) margarine
1/2 c. shortening (Crisco solid in can)
1/2 (1 lb.) bag powdered sugar
2 Tbsp. milk
1 1/2 Tbsp. flour
1 tsp. vanilla
1 egg white

Preparation

Mix first 5 ingredinets well with mixer.
Add vanilla and egg white and beat for 5 minutes.