25g = 10 sheets
Nori seaweed (Porphyra) dried and toasted
It is used for the preparation of sushi and other stuffed rolls. Also in soups and sauces. It does not need soaking. For seasoning, briefly toast a sheet of Nori over the flame until it cames crispy, crumble over salad plates, cereal, pasta, vegetables, soups, etc.