Miss Ruby'S Burnt Sugar Frosting - cooking recipe

Ingredients

3 c. sugar (melt 1/2 c. of this)
2 Tbsp. flour
3/4 c. milk
1 tsp. vanilla
1 1/2 sticks margarine

Preparation

Melt 1/2 cup sugar in heavy pot over medium heat.
In another boiler, combine 2 1/2 cups sugar and the flour, then add milk and margarine (cut up).
Bring to a boil over medium heat.
Pour this boiling mixture into melted sugar; stir until well mixed.
Cook to soft ball stage.
Cool, add vanilla and beat.