French Apple Tart

Name: French Apple Tart
Prep time: 30 min
Cook time: 1 h
Total time: 1 h 30 min
Cuisine: French
Ingredients: 1½ cups all-purpose flour, (spooned into measuring cup and leveled-off); ½ teaspoon salt; 2 tablespoons granulated sugar; 12 tablespoons (1½ sticks) very cold unsalted butter, cut into ½-in (13-mm) pieces; ¼ cup very cold water; 1¾ lbs baking apples ((3 large) (see note)); ⅓ cup sugar; 1 teaspoon vanilla extract; 1 teaspoon cinnamon; 2 tablespoons unsalted butter, (melted); ⅛ teaspoon salt; 1 tablespoon all-purpose flour; 1 egg, (beaten); 2 tablespoons turbinado sugar; 1 tablespoon apricot jelly or jam ((optional), for glaze)