Preheat your oven to 375°F/190°C
Lightly flour your work surface and roll half of the dough into a ⅛ inch thick circle. Then transfer the dough to a 9 inch pie plate. Place the plate in the fridge to chill while you prepare the apple filling
14.1 ounces pie crust dough
Combine flour, sugar, brown sugar, cinnamon, and nutmeg in a small bowl and set aside. Then, in a large bowl add apples, lemon juice, and toss. Now, add the flour mixture and toss to coat evenly. Add the filling to the pie crust in layers, discarding any juices, and evenly dot the apple mixture with butter
¼ cup all-purpose flour, ⅓ cup sugar, ⅓ cup brown sugar, 1 teaspoon ground Cinnamon, ¼ teaspoon ground nutmeg, 1 tablespoon lemon juice, 7 cups Granny Smith apples, 1 tablespoon unsalted butter
Now, roll out the remaining crust dough into a ⅛ inch thick circle and place it on over the filling, ensuring that it covers the filling completely. Using a sharp knife, trim off any excess dough, seal the dough, and flute it using your fingers. Now, cut 4 slits on the top of the pie to allow the steam to vent, and place the pie on a baking sheet
Brush the surface of your apple pie with egg wash. Optional, sprinkle turbinado sugar and cinnamon on top of the pie. Using either a pie shield or kitchen foil, cover the edges of the pie to prevent them from browning in the first 25 minutes of cooking
1 egg, Turbinado sugar and cinnamon
Bake for 25 minutes and then remove from the oven and discard the shield or kitchen foil, then cook for a further 35 minutes until the top of the pie is golden brown and the filling is bubbling
Remove from the oven and place on a wire rack to cool at room temperature for at least 2 hours