In a food processor, finely crush oreo cookies. Stir in melted butter. Press into a 9″ x13″ pan or glass dish. Place in the freezer while preparing the next layer.
PEANUT BUTTER LAYER
With mixer on medium, cream cheese, milk & peanut butter until fluffy. Slowly add in powdered sugar. Gently fold in whipped topping.
Spread the peanut butter layer on the Oreo crust. Place in the freezer while preparing the next layer.
In a bowl, mix together both boxes of pudding mix and milk. (Note: This will be less milk than called for on the box. You want this layer a little bit thicker than pudding.)
Spread the pudding onto the peanut butter layer. Place in the fridge and allow to set for about 5 minutes.
Top with remaining whipped topping, chopped Reese’s Mini Pieces, peanut butter chips and chocolate sauce if desired. Refrigerate at least 3 hours