Nori (Porphyra perforata) a sea vegetable from Heidi Herrmann and Strong Arm Farm Only 1 cell thick! Particularly tasty when lightly toasted (150*F in oven 10 min) then crumbled over food as a condiment. Highest in protein (30% by weight), iron, B6 and B12 content among the seaweeds. Packed in its natural crinkly splendor rather than in heat processed, oily MSG-laden sushi sheets. Sold in a returnable quart size jar.