A Hokkaido Uni (Jou)Hokkaido Uni is considered by many to be the best uni in the world. The Uni (Sea Urchin) from Hokkaido feed on the plentiful Kombu (kelp) in the area, gaining a rich and deep umami flavor. Uni is extremely sweet and rich with umami flavor. In Japan, it is served mainly as sushi, gunkan or donburi (over rice), but in other countries it used as sauce. Some of the best uni is known to come from Japan and processed by uni processors mostly in Hokkaido,