Caramel Frosting - cooking recipe

Ingredients

2/3 c. margarine
1 c. brown sugar
1/3 c. milk
3 c. sifted xxxx powdered sugar

Preparation

Melt margarine.
Add brown sugar.
Heat for a few minutes. Add milk gradually and bring to a boil.
Let cool 10 minutes.
Add enough xxxx sugar until consistency desired.