Buttercream Icing - cooking recipe

Ingredients

1 c. sugar
2/3 c. milk
2 tsp. vanilla
1 stick margarine
1/2 c. shortening
4 Tbsp. flour

Preparation

Mix sugar, margarine and shortening together until fluffy.
Add milk and keep mixer at low speed.
Add the flour, a little at a time.
Add the vanilla last and beat this icing for at least 10 minutes once all the ingredients are in place.
Does not need to be refrigerated to store.