Dark purple edible seaweed of the Atlantic coasts of Europe and North America.
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It is called carrageen, or carragheen, a dark-purple cartilaginous seaweed which dried and bleached, is used in making blancmange... View Article
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Then we began talking of the carragheen he had gathered and the spring tides that would come again during the summer.
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After one hour add the carragheen and the honey and boil for another 30 minutes, then leave to rest for further 30 minutes.