"To make his tamales, Guillermo Pernot of Cuba Libre in Philadelphia mashes masa dough and a slow-braised pork filling together in a saucepan instead of assembling the tamales one by one. He also steams the tamales in aluminum foil instead of the traditional corn husks. Grace Parisi mixes store-bought rotisserie chicken and cheddar cheese into a quick dough, then she wraps the tamales in plastic before steaming them...."