POUR fudge topping into medium bowl. Whisk in 1 cup COOL WHIP. Add dry pudding mix; stir 2 min. Stir in chopped cookies.
ARRANGE 4 ice cream sandwiches, side-by-side, on 24-inch-long piece of foil; top with half the COOL WHIP mixture. Repeat layers. Top with remaining sandwiches. Frost top and sides with remaining COOL WHIP. Bring up foil sides; double fold top and ends to loosely seal packet.
FREEZE 4 hours or until firm.