Saint Burrito, the Southeast Portland gem located in Pod 28 and operating inside a 1950s Airstream, simply oozes character. Surrounded by greenery, this Mexican food cart came into existence when owner Tim Prigo decided to help out some friends. At the time, the cart—which was being used only in the mornings—needed an evening occupant. Prigo took the opportunity, and those nights eventually led to him buying the cart, opening for lunch, and hiring employees. Now,...