Make the Crust:
Combine crushed cookies and melted butter. Press firmly into the bottom of a 9x13-inch pan.
Place in the fridge to chill while you prepare the layers.
Peanut Butter Layer:
In a bowl, beat together cream cheese, peanut butter, and powdered sugar until smooth.
Fold in the whipped topping until light and fluffy.
Spread evenly over the chilled crust.
Pudding Layer:
Whisk together chocolate pudding mix and milk until thickened (about 2–3 minutes).
Spread over the peanut butter layer.
Top It Off:
Spread the final container of whipped topping evenly over the pudding.
Sprinkle with chocolate chips, peanut butter cups, crushed peanuts, or cookie crumbs.
Chill & Serve:
Refrigerate for at least 4 hours, or overnight, to set.
Slice and serve cold for best results.