Preheat the Oven: Preheat your oven to 400°F (200°C).
Combine Dry Ingredients: In a large bowl, combine 2 cups of flour and 1 teaspoon of salt.
Add Butter: Add the cold butter pieces to the flour mixture. Use your fingers to mix until the dough starts to stick together without being sticky. If you have a mixer, use the dough hook and mix until the dough peels off the bottom and forms a ball.
Add Water: Gradually add 1/4 cup of cold water to the mixture, mixing until it forms a dough.
Form and Chill: Press the dough down to form a disk. This will make it easier to knead after cooling. Lightly spray a 9-inch pie pan with cooking spray.
Brush with Egg Wash: Using a pastry brush, lightly brush the sides and bottom of the crust with the egg mixture.
Pre-Bake: Bake in the preheated oven for 10 minutes before adding the filling.