1 (6 oz.) pkg. instant chocolate pudding mix
3 c. milk
1 c. frozen whipped topping (thawed and divided)
12 cream-filled chocolate sandwich cookies (Oreos) - crumbled
8 whole Oreo cookies

Combine pudding mix and milk in a small mixing bowl; beat at low speed with electric mixer until blended. Beat at low speed an additional 2 minutes. Fold in 1/2 cup whipped topping and crumbled cookies.

Spoon mousse into 8 (6-ounce) dessert dishes. Cover with Saran Wrap and chill. To serve, garnish each with dollop of remaining whipped topping and serve with a whole cookie.