Place 10 ice cream sandwiches in bottom of "ungreased" ... sandwiches. Spoon caramel, layer of sandwiches, Cool Whip, hot fudge and sprinkle with pecans.
Cover bottom of 13 x 9-inch casserole dish with ice cream sandwiches (may have to cut ... sandwiches. Drizzle topping on top of Cool Whip. Freeze 1 hour.