Peanut Butter Oreo Pie

This pie is so good. I like making it when people come over because it is a bit of a process and feeds a lot because it is so rich. Maybe I am a nasty girl, but I could probably eat the whole thing myself.

 20 cream filled chocolate sandwich cookies, divided (oreos)
2 Tablespoons butter, melted
1 pkg. (8oz) cream cheese, softened
1/2 cup peanut butter
1 1/2 cup powder sugar, divided
1 carton(16oz) frozen whipped topping, thawed, divided
25 miniature peanut butter cups, chopped
1 cup cold milk
1 pkg. (3.9oz)instant chocolate pudding mix
Crush 16 cookies, toss with butter. Press onto bottom of ungreased pie dish(I used a 9x13 baking dish and added a little more oreos because I was feeding a bigger crowd)). In a mixing bowl, beat cream cheese, peanut butter and 1 cup powder sugar until smooth. Fold in half of the whipped topping. Spread over crust. Sprinkle with peanut butter cups. (save a few for the top)
In a separate mixing bowl, beat the milk, pudding mix, and remaining powder sugar on low speed for 2 minutes. Fold in whipped topping. Spread over peanut butter cups. Crush remaining cookies, sprinkle over the top and sprinkle with last few PB cups. Cover and chill for at least 3 hours prior to serving.