Hailing from the British Isles, dulse is an edible, coarse-textured, red seaweed with a pungent, briny flavor. When dried, dulse remains supple though rubbery, which may be why some stalwart Irish use it like chewing tobacco. Dulse is primarily used in soups and condiments.
From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc.