the popularity of marinated sauce: also known as sauce pot and red pot, is a heat treatment method in which boiled or oiled cooking materials are put into a pot, fresh soup, spices, cooking wine, sugar color (or soy sauce) and so on are added, and heated to the required color with medium water or low fire. After the cooking materials become popular through the marinade, a layer of light yellow or golden yellow, orange red, brown red and other colors can be attached to the surface to meet the needs of dish color. Moreover, after the raw materials are put into the marinade and heated, the odor can be removed and the fresh flavor can be increased.