OREO ICEBOX CAKE - 90 Oreo Cookies, 3 (12 oz) tubs Cool Whip, thawed 1 1/2 - 2 cups milk - Dip 30 Oreo Cookies in milk one by one and lay flat in a 9x13 pan. Spread one tub over the Oreos. Repeat this process twice more, finishing with a layer of Cool Whip on top. If desired, drizzle chocolate sauce on top or extra crushed Oreos. Cover and chill in the refrigerator for 6 hours or overnight.