Brown Sugar-Cinnamon Peach Pie

INGREDIENTS

• 1 1/3 cups cold butter
• 4 1/4 cups all-purpose flour, divided
• 1 1/2 teaspoons salt
• 1/2 to 3/4 cup ice-cold water
• 8 large fresh, firm, ripe peaches (about 4 lb.)
• 1/2 cup firmly packed light brown sugar
• 1/3 cup granulated sugar
• 1 teaspoon ground cinnamon
• 1/8 teaspoon salt
• 1 1/2 tablespoons butter, cut into pieces
• 1 large egg, beaten
• 1 1/2 tablespoons granulated sugar