Chocolate Peanut Butter Cup Cheesecake

1 package Halladay's Double Chocolate Cheesecake
1 (8 oz.) bar cream cheese, softened
1 (8 oz.) container Cool Whip, defrosted
15 mini peanut butter cups, quartered
1 (9-inch) prepared graham cracker pie crust
Combine cheesecake and cream cheese; fold in Cool Whip. Fold in peanut butter cups, reserving a few for garnish. Pour mixture into pie shell and garnish with remaining peanut butter cups. Chill at least 1 hour before serving.