Chocolate-Caramel Layer Squares
["1 (14 oz.) bag caramels", "2/3 c. evaporated milk, divided", "1 (18 oz.) pkg. German chocolate cake mix", "3/4 c. butter or margarine, softened", "1 c. chopped nuts", "1 (6 oz.) pkg. semi-sweet chocolate drops"]
["Combine caramels and 1/3 cup of the milk in top of double boiler.", "Melt, stirring constantly, until completely melted. Remove from heat (keep warm so it will not harden)."]
["caramels", "evaporated milk", "chocolate cake", "butter", "nuts", "semi-sweet chocolate drops"]