Scientific name: Citrus sphaerocarpa. Katakana: カボス. Kanji: 臭橙 Kabosu is a citrus fruit of an evergreen broad-leaf tree in the Rutaceae family. In Japan, its juice is used to improve the taste of many dishes, especially cooked fish, sashimi, and hot pot dishes.
There are so many different types of sushi rolls that have been given the moniker “Boston Roll” in the United States. One version consists of cream cheese, avocado, Boston lettuce, and shrimp. This in the photo is a twist on the popular California Roll (imitation crab, cucumber, and avocado) with the addition of capelin roe