One of the best fast casual concepts around. And it's right here in Phoenix at Seventh Street & Osborn! The line to order can be long, but it moves quickly. The friendly counter staff will walk you through your options as needed. You choose it, fill it and cover it. It's a process any Chipotle regular will feel comfortable with - plus, they have tortilla soup!
Two recommendations for first time visitors: 1) go "Christmas style" with both green and red chile, and 2) go half and half filling your enchiladas. That way you can maximize what you sample so you'll know what to order next time. And there will be a next time!
There is a small dog friendly outdoor patio in addition to indoor seating. The patio is very pleasant right after sunset even though it's on a busy street.