Turtle Cake
["1 box German chocolate cake mix", "1 (6 or 12 oz.) pkg. chocolate chips", "1 (14 or 16 oz.) pkg. caramels", "2/3 c. evaporated milk", "3/4 c. melted butter", "chopped nuts (optional)"]
["Melt caramels in double boiler with 1/3 cup evaporated milk. Stir frequently."]
["chocolate cake", "chocolate chips", "caramels", "milk", "butter", "nuts"]