2 quinces, peeled
3 cups flour, plus more for dusting the board
1/2 teaspoon salt
1/3 cup plus 1 teaspoon sugar
1 1/2 cups vegetable shortening
1 egg white, lightly beaten
4 tablespoons cold water
1 tablespoon cider vinegar
6 to 8 medium apples, peeled, cored and cut in 1/4-inch-thick slices
1/2 teaspoon cinnamon