My favorite lunch is just a single chicken taco with a small side of rice and side of whole pinto beans. Beans without cheese - the cheese hides the flavor of the salty broth and earthy beans. The marinaded chicken, rice and beans are the perfect trio.
And after eating, there is no lunch-after guilt (though most people should go for 2 chicken tacos - chicken is actually the best choice). Every couple of weeks I make the trip from the Ahwatukee area to south Gilbert for this tacoholic combo.