1. Soak the dried fungus in warm water for half a day.
2. Cut green pepper into pieces and shred ginger.
3. Cut the yam into diamond-shaped slices and soak in water for a while.
4. Boil water in the pot and scald the yam for half a minute to remove.
5. Wash the fungus in boiling water for half a minute.
6. Put oil in the pot and saute the ginger fragrant.
7. Pour in the green pepper and stir fry for half a minute.
8. Pour in the fungus, stir fry, and drizzle in a few drops of vinegar.
9. Pour in the yam, stir-fry for a minute, and add an appropriate amount of salt.
Tips:Put the yam into the water immediately after it is cut to prevent it from turning black.
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