In a food processor or blender, pulse the whole gluten-free Oreos (cream filling and cookie) into a fine crumb. Remove any large pieces of Oreos.
Stir the Oreo crumbs and melted butter together. Using your hands or a measuring cup, press into the bottom and up the sides of a 9 1/2-inch pie dish.
Bake the crust for 10 minutes. Cool before adding filling of choice.
Notes
Gluten-Free: Use gluten-free Oreos and pair with a gluten-free pie filling.Dairy-Free: Use dairy-free butter and pair with a dairy-free pie filling.To Make-Ahead: Bake and cool, then tightly cover and refrigerate for up to 5 days.To Store: Once filled, follow the pie filling's recommendation for best storage. To Freeze (unfilled): Bake and cool, then wrap tightly in plastic wrap and foil. Freeze for up to 2 months. Thaw in the fridge overnight before filling.To Freeze (filled): Follow the pie filling's recommendation as not all fillings can handle the freezing and thawing process.