Oreo Mint Chocolate Chip Ice Cream Dessert

(from cooks.com) OREO MINT CHOCOLATE CHIP ICE CREAM DESSERT
26 Oreo cookies, crushed 1/3 c. butter, soft 1/2 gal. mint chocolate chip ice cream 1 sm. jar fudge topping 1 sm. carton Cool Whip Mix cookies and butter together and pat into cold cut keeper 9 x 12 inch. Spread 1/2 gal. ice cream on cookie mixture. Spread with fudge topping then Cool Whip. Sprinkle 2 crushed Oreo's on whipped cream. Freeze 24 hours.