Caramel Icing - cooking recipe

Ingredients

2 1/2 c. sugar
2 sticks margarine
1 c. Pet milk
1/2 c. brown sugar
3 tsp. flour
2 tsp. vanilla

Preparation

Mix together and cook about 10 minutes (time after a good rolling boil), stirring constantly.
Remove from heat and beat until stiff enough to spread on cake.