Fresh mackerel seasoned with Shinshu miso. This canned mackerel miso stew is soft enough to even the bones. Product contents: Mackerel, miso, sugar, cornstarch/seasonings (amino acids, etc.), thickening polysaccharides, (contains mackerel and soybeans). Instructions: Room temperature (avoid direct sunlight, high temperatures and humidity, and store in a cool, dark place.