These tiny, black, dried leaves are also known as cloud ears; when soaked, they puff up to look like little clouds. Soak the dried fungus in hot water for 20 to 30 minutes until soft. Rinse well, cutting away any hard portions. Fungi are valued for their crunchy texture and slightly smoky flavour. You can find them at Chinese markets, usually wrapped in plastic or cellophane bags. They keep indefinitely in a jar stored in a cool, dry place.
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