Fermented Mustard Green from Pigeon. This well known pickled mustard has been with Thai kitchen for many decades. Fermented mustard green is usually eaten with porridge or stew with pork rib. This fermented mustard green is very crunchy. Fermented Mustard Green is good with morning or late night plain porridge. Come in 2 packs. Ingredients: Mustard green, fish sauce, sugar, salt, monosodium glutamate. Net Weight 5.0 oz. Product of Thailand.