Oreo Icebox Cookies
["24 to 28 Oreos, crushed", "8 oz. cream cheese, softened", "2 c. confectioners sugar", "2/3 c. peanut butter", "3/4 c. milk", "2 (8 oz.) containers Cool Whip", "1/2 c. chopped nuts (optional)"]
["Put crumbled Oreos in bottom of a 9 x 13-inch pan."]
["Oreos", "cream cheese", "confectioners sugar", "peanut butter", "milk", "containers", "nuts"]