Caramel Frosting
["1/2 c. melted butter", "1 c. brown sugar", "4 Tbsp. milk", "2 1/2 c. confectioners sugar", "1 tsp. vanilla"]
["Cook melted butter and brown sugar 2 minutes.", "Add milk; cook 2 minutes.", "Cool.", "Add confectioners sugar and vanilla.", "Beat and spread."]
["butter", "brown sugar", "milk", "confectioners sugar", "vanilla"]