After a lifetime of eating specimens made on lesser tortillas, tasting a quesadilla made by Nadia Holguin and Armando Hernandez is like going from black-and-white to color, acoustic to electric. The tortilla? Handmade from freshly ground local grain, warm and fragrant and perfectly browned. The cheese? Molten, oozing. The meat? If you go pork, it'll be fall-apart shreds boosted by a steady, beautiful chile heat. There are a handful of elite tortillas in metro Phoenix. Tacos Chiwas has one of them — and all the added touches are just as impressive. For the money, this quesadilla is one of the top bites of food in town.