4tablespoonsunsalted butter or dairy-free butter substitutemelted
Preheat the oven to 350ºF. Spray a 9-inch pie pan with cooking spray.
Place the nuts, sugar, and salt in a food processor fitted with the steel blade. Process until the nuts are finely ground. Add the butter and pulse until fully combined. Firmly and evenly press the mixture into the bottom and up the sides of the pie pan.
Bake for 12-15 minutes or until warm, fragrant, and lightly browned. Let cool. Crust will harden as it cools.