Momi Nori This page first published: Jan 3, 2005 · Updated: May 11, 2018 · by CooksInfo. Copyright © 2021 · This web site may contain affiliate links · This web site generates income via ads · Information on this site is copyrighted. Taking whole pages for your website is theft and will be DCMA'd. See re-use information. Momi nori is crumbled nori (seaweed.) Before being crumbled, whether at the factory or at home, the nori is toasted first over a flame to develop the taste. The crumbled nori is used in Japanese cooking as a topping and as a garnish.