I often get asked if there are any poisonous seaweed around Britain. From my own research I discovered that Desmarestia is the only poisonous seaweed that you should leave well alone. However I wanted to double check my own knowledge against that of a world class expert.
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Petalonia fasciata is a green/brown edible seaweed which is high in sugar and starch. I find it’s flavour very agreeable and it’s great mixed up in rice dishes or added to stews. Petalonia fasciate used to be eaten by ‘the peasants’ to provide nourishment during the ‘hungry gap’ at the end of winter, just before [...]
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