All supermarkets in Nanchang sell leek flower sauce. No.57, Antique Street, donghu district, Nanchang, Jiangxi. Nanchang gift specialty supermarket generally sells leek flower sauce in places where hot pot seasonings are sold, and supermarkets also sell it. Buy fresh leek flowers, wash them and dry them, then chop them and marinate them with salt. Leek sauce, usually made in autumn, is a kind of sauce made by northern people, which is unique to China. When it is ready in autumn, it will be taken out and eaten when winter comes, and a few drops of sesame oil will be added. The smell is fragrant and particularly attractive.