5 out of 5
Preheat oven to 350
In a food processor, add 1 cup flour, powdered sugar, and salt. Pulse to combine. Add in the 1/2 cup cold butter one small chunk at a time.
Remove the dough from the food processor and press into a greased 8×8 or 9×9 baking dish using your hands.
Using a fork, pierce the bottom of the crust multiple times throughout the pan.