Grind the crumbs

1. Preheat the oven to 350 F (180 C).
2. Break up the cookies into about 4 pieces each and place them into the bowl of a food processor

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   .
3. Grind the cookies into fine pieces that are about the texture of sand.
4. Add in the butter and pulse until the crumbs are thoroughly moistened and start to come away from the sides of the bowl.

Form the crust

1. Dump the crumbs into the center of a pie plate

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   .  Place a piece of plastic wrap over the crumbs.
2. Use the bottom of a measuring cup or a coffee cup to press down the crumbs on top of the plastic wrap so that the crumbs are packed tightly against the sides and bottom of the pan.
3. Run your finger along the top edge of the pan to clean up any crumbs that peek out over the edge.  Pack the loose crumbs back into the pan.
4. Bake the crust for 8-10 minutes until firm.  Your kitchen will smell like toasted Oreos!
5. You can use the crust right away in a pie recipe.  If you’d like to freeze the crust, cool the crust completely first.  After that, place a piece of foil on the inside of the crust and then pop the whole thing inside a plastic bag.  You can freeze crusts up to 2 months.