1 (20 oz.) pkg. Oreo cookies
1 cube butter
1 (8 oz.) pkg. cream cheese
1 c. powdered sugar
1 lg. box instant chocolate pudding
1 (16 oz.) carton Cool Whip OR 2 (8 oz.) crushed cookies and mix with melted butter

Put in large casserole dish. Press down and chill. Mix cream cheese, powdered sugar and 2 cups Cool Whip, spread over cookie layer, chill. Prepare pudding as directed and pour over last layer. Chill. Top with remaining Cool Whip and some crushed Oreos.