Chocolate Caramel Nut Bars
["1 (14 oz.) bag Kraft caramels", "2/3 c. (5 oz. can) evaporated milk", "1 (two-layer) German chocolate cake mix with pudding", "1/2 c. Parkay margarine, melted", "1 (6 oz.) pkg. semi-sweet chocolate pieces", "1 1/2 c. chopped walnuts"]
["Melt caramels with 1/3 cup milk over low heat in pot.", "Combine remaining milk, cake mix and margarine in separate pot and mix well.", "Set aside.", "Press half of this mixture into the bottom of ungreased 13 x 9-inch baking pan.", "Bake at 350\u00b0 for 8 minutes."]
["caramels", "milk", "chocolate cake", "Parkay margarine", "semi-sweet chocolate pieces", "walnuts"]