Preheat oven to 350 degrees F.

Add the whole Oreo cookies to a food processor and pulse into fine crumbs. Pour the crumbs into a bowl and stir in melted butter.

Press mixture evenly and firmly into the bottom and up the sides of a 9 inch pie dish (I like to use the back of a small measuring cup to press). Bake for 10-12 minutes. Set aside to cool