1 (16 oz.) pkg. Oreos
1/2 gal. vanilla ice cream
1 sm. can chocolate syrup
1 (12 oz.) Cool Whip
1 stick butter

Crumble enough Oreos to cover bottom of 9 x 13 inch pan. Melt butter and mix with crumbs. Press into bottom of pan. Spread ice cream on top of crumbs. Drizzle syrup over ice cream. Cover with Cool Whip. Sprinkle crumbs on top. Freeze 8 hours.