The simplest method: Put the best five-layered pork belly into boiling water to remove impurities, then cut it into mahjong tile-sized cubes. Place them in a pot of cold water, remember that the water level must cover the meat cubes. Boil on high heat, skim off the foam, add cooking wine, and cook until it's eight-tenths done. Then add soy sauce, and after it boils again...