2 1/2 cups all-purpose flour
1 cup unsalted butter, cold and cut into small cubes
1/4 cup sugar
1/4 teaspoon salt
6-7 tbsp cold water (as needed)
For the filling:

6-8 medium apples (Granny Smith or Honeycrisp work well), peeled, cored, and sliced
1/2 cup sugar
1/4 cup brown sugar (light or dark)
1 tbsp lemon juice
1 1/2 tsp ground cinnamon
1/4 tsp ground nutmeg
1 tbsp cornstarch (for thickening)
1 tbsp unsalted butter (for dotting the filling)
1 egg (for egg wash, optional)
Preparation:
Make the crust:
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