In theory you can, but you must collect it from a shoreline free of pollution. Laver weed, also called red laver or tangle, is used to make the laver bread in Britain. It is the same variety called nori in Japan and sold dried in sheets. But it can take 8 hours of boiling to make it edible. Purple fronds of dulse can be cleaned, brushed with egg, coated with flour or oatmeal and deep-fried until it is very crisp.
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Asian Recipes **