AA Hokkaido Uni (Tokujou)Tokujou (AA Grade) Uni from Hokkaido, Japan. This is a premium quality that only a few top tier restaurants serve due to its limited availability and high cost. Hokkaido Uni is widely regarded as some of the best uni in the world. The sea urchins feed on the regions nutrient rich Kombu (kelp), developing a rich, deep umami flavor. Uni is prized for its natural sweetness, oceanic depth, and rich umami. In Japan, its traditionally served as sushi,