For the Crust:

• 2 1/2 cups all-purpose flour
• 1 teaspoon salt
• 1 tablespoon sugar
• 1 cup unsalted butter, cold and cubed
• 1/4 to 1/2 cup ice water

For the Filling:

• 6 cups thinly sliced apples (about 6-8 medium apples)
• 3/4 cup granulated sugar
• 2 tablespoons all-purpose flour
• 1 teaspoon ground cinnamon
• 1/4 teaspoon ground nutmeg
• 1/4 teaspoon salt
• 2 tablespoons lemon juice
• 2 tablespoons unsalted butter, cut into small pieces

For the Egg Wash:

• 1 large egg
• 1 tablespoon water

Optional Topping:

• 2 tablespoons coarse sugar for sprinkling

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