Caramel Frosting
["3 c. brown sugar", "1 c. milk", "2 to 3 Tbsp. butter", "1 tsp. vanilla"]
["Place all ingredients in cooker.", "Bring to a boil; turn down. When it forms a soft ball in cold water, take off stove.", "Let cool, then mix with a mixer."]
["brown sugar", "milk", "butter", "vanilla"]