what are giant sheets of seaweed called
It is the Japanese name for dried edible seaweed sheets made from a species of red algae called Porphyra, including Porphyra yezoensis and Porphyra tenera. It is probably most popularly know for its use in making Sushi, but it is used in many other applications too. So Many Uses... Take a look at the images above.t is rolled up in a seaweed sheet typically 7 to 7 1/2 inches by 8 to 8 1/2 inches in size. It is also toasted before packaging and has to be stored in an air-tight container after opening to reduce air exposure and prevent it from absorbing moisture as it will lose its crispiness if it is not.