Caramel Icing
["4 Tbsp. butter", "6 Tbsp. cream (half and half)", "3/4 c. brown sugar", "1 3/4 c. powdered sugar", "1/2 tsp. vanilla"]
["Melt butter.", "Add brown sugar and melt again.", "Add cream and allow to boil one minute.", "Remove from heat, beat in powdered sugar and add vanilla."]
["butter", "cream", "brown sugar", "powdered sugar", "vanilla"]