Making makizushi at home. Nori is an essential part of these sushi rolls.
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Then, shortly after WWII, porphyra all but vanished from Japanese shores😱
A perfect storm of war (namely the use of underwater mines by the US military and the over-reliance on seaweed as food source), industrialization, pollution and back to back typhoons decimated the coast and effectively wiped out porphyra colonies in Japan.
The situation was dire.
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