Recipe from Alton Brown FOR THE CRUST 6 ounces unsalted butter, cut into 1/2-inch pieces 2 ounces vegetable shortening, cut into 1/2-inch pieces 5 to 7 tablespoons applejack or apple brandy (calvados) 12 ounces all-purpose flour, plus extra for dusting 1 teaspoon table salt 1 tablespoon granulated sugar FOR THE FILLING 4 1/2 pounds of…