1 pkg. Oreos, crushed
1 jar hot fudge or caramel ice cream topping
1/2 gal. square vanilla or chocolate ice cream
1 (8 oz.) container whipped topping

Take 3/4 package of Oreos and spread in the bottom of 9 x 13 pan. Slice ice cream. Lay on top of Oreos. Slightly warm sauce and pour over ice cream. Spread whipped topping over sauce. Top with remaining crushed Oreos. Freeze 3 to 4 hours or overnight.