Chinese food is one of the most recognizable and widely consumed cuisines in the world. Almost no town on earth is without a Chinese restaurant of some kind, and Chinese canned, frozen, and preserved foods are available in shops from Nairobi to Quito. But the particulars of Chinese cuisine vary widely from place to place as its major ingredients and techniques have been adapted to local agriculture and taste profiles. To trace the roots of Chinese foodways, one must look back to traditional food...