1. Gather ingredients: flour, salt, sugar, cold butter and/or shortening, and ice water.
2. Combine flour, salt, and sugar in a bowl.
3. Cut cold butter or shortening into the flour mixture using a pastry cutter or pulse in a food processor until coarse crumbs form.
4. Gradually add ice water, mixing with a fork or pulsing just until dough comes together.
5. Shape dough into a disc, wrap in plastic wrap, and refrigerate for at least 1 hour.
6. Lightly flour a surface and rolling pin, then roll dough to 1/8 inch thickness.
7. Carefully transfer dough to pie plate by rolling it onto the rolling pin and unrolling over the plate.
8. Trim excess dough and crimp edges as desired.
9. For a pre-baked crust, prick the bottom with a fork, line with parchment, add pie weights, and bake at 375°F for 15-20 minutes.
10. Use immediately or store in the freezer for up to 3 months.