I know, they are famous for the "Burrito as big as your head", and for good reason, it's huge. But, stray off the beaten path for me and try their Torta, a Mexican sandwich, served on what seems to be a fry bread of some sort, the sandwich looks large, but goes down easily. Your choice of meats (beef, chicken, pork, chorizo) and toppings. The meal is like the neighborhood dog that looks tough, but is really a softie. Topped with tomatoes, onion, lettuce, cheese and sour cream, with the hot sauce on the side, it is a perfect pick me up for the long Monon walks.
Grab a tamale while you are there. It is hard, really hard, to find a good tamale in this town, but they have them. Served in the corn husk it was cooked in, their tamales have this air of perfection to them. Easy on the wallet, they eyes and the stomach, the tamales are a "must have" item.http://www.labambaburritos.com/default.asp
If you are trying to minimize meat, La Bamba was a wonderful selection of tasty vegetarian items too. Burritos, Torta and Tacos can all be prepared meatless, and from what I understand, the vegetarian nachos are to die for.