Apple Cinnamon Hand Pies

Name: Apple Cinnamon Hand Pies
Ingredients: For the dough: - 2 1/2 cups all-purpose flour; - 1 teaspoon coarse salt; - 1 teaspoon granulated sugar; - 1 stick chilled, unsalted butter, cut in pieces; - 1 stick frozen, unsalted butter, cut in pieces; - 1/2 cup ice water; For the filling: - 2 tablespoons all-purpose flour, plus more for dusting; - 6 tart apples, peeled, cored and sliced; - 1/4 cup granulated sugar; - zest of 1 lemon; - juice of 1/2 lemon; - 3/4 tablespoon cinnamon; - 1 egg, beaten; - turbinado sugar