Creamy White Frosting - cooking recipe

Ingredients

1 cup milk
5 tablespoons flour
1 pinch salt
1 cup sugar
1 cup margarine (or 1/2 cup margarine & 1/2 cup shortening)
1/2 teaspoon vanilla

Preparation

Mix the first three ingredients together in a sauce pan.
Cook over Medium heat until thick, stirring constantly.
Remove from heat and cool completely.
Cream sugar, shortening (margarine) and vanilla.
Add cooled flour/milk mixture by the spoonful beating after each spoonful.
Frost Cake.