2024年4月17日 · California roll is a type of sushi roll (makizushi 巻き寿司 or rolled sushi in Japanese) made with seasoned sushi rice, crabmeat (real or imitation), avocado, and cucumber. It is an “inside-out” roll, known as uramaki (裏巻き), where the fillings and nori (dried roasted seaweed sheet) are rolled inside the sushi rice.