Nori

Nori (also known as laver, a type of seaweed) is sold as plain pressed sheets and also toasted sheets (yakinori). The thin sheets of dark green (almost black) dried seaweed come in various grades and shapes, from squares to shreds to rectangles that are perfectly sized for wrapping around a rice ball (see Onigiri. Nori is used for sushi, crumbled over rice, and shredded over cold noodle dishes, hot noodle soups, and even spaghetti.