Place Oreos into a food processor and process until fine crumbs.

Add to a bowl and stir in melted butter, until mixture resembles large crumbs.

Spray a deep dish pie plate with non-stick cooking spray and press the crumb mixture evenly into the pie dish.

Freeze for 30 minutes to set the crust.

In a large bowl, cream together cream cheese and sweetened condensed milk until fluffy.

Mix in powdered sugar and peanut butter.

Fold in cool whip and 1-cup chopped reeses.

Pour mixture into frozen pie crust.

Cover tightly & freeze for 2-3 hours.

Add topping ingredients, let chocolate drizzle set if using, and then cover tightly and freeze overnight or until completely set.

Let sit out for a few minutes before slicing.

NOTE: Freeze overnight for best results. Let sit for 15 minutes before servibg to soften up if needed. Use a deep dish pie plate.