There are seemingly as many styles of tamales as there are regions in Mexico, each steaming heap of fresh masa flavored in myriad ways. We’ll see the iconic corn-husked versions at the casual Tamales Teresita, as well as the denser, banana-leaf-wrapped Chiapanecos style, sold by a family outside the historic San Juan Bautisa church. Then Rick steps through the classic Central-style tamales, and at home prepares a surprising sweet corn tamal.