1-First Step: Preparation and Mise en Place Before you begin, measure your ingredients precisely. For the flour, spoon it into your measuring cup and level it off with a knife rather than scooping directly, which prevents packing and adding too much flour. Cut your cold butter into ½-inch cubes and place them back in the fridge. Fill a measuring cup with water and add ice cubes to ensure it is freezing cold. Having everything ready and chilled is crucial for preventing the butter from melting before it hits the oven.

2-Second Step: Mixing Dry Ingredients In a large bowl (or the bowl of a food processor), whisk together the 2 ½ cups of all-purpose flour, 1 teaspoon of salt, and 1 tablespoon of sugar (if using). Whisking ensures these dry ingredients are evenly distributed before the fat is added. If you are using a food processor, pulse these dry ingredients about 5 times to combine them evenly. This step creates a uniform base for your pastry.

3-Third Step: Cutting in the Butter Add the cold cubed butter to the flour mixture. If using a food processor, pulse 10-12 times until the mixture looks like coarse meal with some pea-sized chunks of butter remaining. If mixing by hand, use a pastry blender or two knives to cut the butter into the flour until it reaches the same texture. It is vital that you see small pieces of butter; these chunks are what create the flaky layers as they melt in the oven.

4-Fourth Step: Adding Ice Water Drizzle the ice water over the flour and butter mixture, one tablespoon at a time. Start with 6 tablespoons. Pulse the food processor or gently toss with a fork after each addition. Stop adding water as soon as the dough starts to clump together and hold a shape when pinched. It should not be sticky or wet. Overhydrating the dough leads to toughness. If it is still too dry after 8 tablespoons, add just a tiny bit more water, but proceed with caution.

5-Fifth Step: Forming the Dough Discs Turn the dough out onto a lightly floured surface. It will look shaggy, but that is normal. Gently press the dough together, divide it in half, and form each half into a flat disc. Wrap each disc tightly in plastic wrap. This shape makes it easier to roll out later. Pressing rather than kneading is important here; you want to avoid developing gluten which makes the crust chewy rather than tender.

6-Final Step: Chilling and Rolling Refrigerate the dough discs for at least 1 hour. This rest allows the gluten to relax and the butter to firm up again, which ensures the crust rolls out easily and stays flaky. When ready to bake, let the dough sit at room temperature for 5-10 minutes to soften slightly. On a floured surface, roll one disc out to a 12-inch circle, about ⅛-inch thick. Transfer it to your pie plate, trim the edges, fill, and proceed with your pie recipe.