Gobo in sushi refers to burdock root, a long, slender root vegetable that is popular in Japanese cuisine. It has a mild, earthy flavor and a crunchy texture. In sushi, gobo is typically thinly sliced and pickled in a mixture of vinegar, sugar, and sometimes salt, giving it a tangy, sweet, and crunchy quality that complements sushi rice well. Gobo sushi is a type of vegetarian sushi roll made with pickled burdock root, sushi rice, and nori (seaweed). It is appreciated for its refreshing taste, satisfying crunch, and health benefits, including fiber content and antioxidants. Gobo is also used in other Japanese dishes such as miso soup and kinpira (braised dishes). So, when you see gobo in sushi, it means the roll contains pickled burdock root, which adds a unique flavor and texture contrast to the sushi experience. This ingredient has been a traditional part of Japanese culinary culture for centuries. This makes gobo sushi a great vegetarian or vegan-friendly option that is both tasty and nutritious. Let me know if you'd like a recipe or more details on preparation!