Miso is a traditional Japanese soup made from fermented soybeans. It is commonly served in sushi bars as an accompaniment to sushi dishes. Sushi Bar Soup is a variation of miso soup that is often served in sushi restaurants. It typically contains ingredients such as tofu, seaweed, and mushrooms. The flavor of Sushi Bar Soup can vary depending on the ingredients used, but it is generally savory and slightly salty.