Plot: Rick and his daughter, Lanie, check out a fabulous fish fillet at a neighborhood restaurant in Mexico City, and then, at a seafood street stall, they get rapturous over a plate of succulent garlicky prawns that rivals the best scampi in the world. The common denominator of these two dishes? It’s one of the cornerstones of Mexican cooking, Mojo de Ajo (literally, “bath of garlic”) – a sauce made by slowly simmering garlic in olive oil and seasoning it with lime and chiles