The LA Times had this to say about Manual’s Tamales. We’ll have to try this out on our next trip!
It’s not uncommon to pay a lot for mediocre food in Cabo, so try to get a couple of unbiased recommendations. If people are only drinking and not dining, take that as a clue — many seemingly popular places are long on party atmosphere but short on food. Prices decrease the farther you walk inland. The absolute local favorite is Manuel’s Tamales, a street stand selling traditional treats of cornmeal stuffed with meat or cheese, then steamed in a cornhusk. Look for him on weekend nights on the corner of Lázaro Cárdenas and Zaragoza.