Tear the oyster mushrooms and soak them briefly in salt water to wilt them.

Oyster Mushroom Perilla Seed Soup
A savory and rich perilla seed soup made with fragrant oyster mushrooms, perilla seeds, young herring, and tofu.
What You'll Need
Instructions
Rinse the oyster mushrooms in water and remove excess moisture.
Add perilla seed powder to the mushrooms to marinate and draw out moisture.
Squeeze the perilla-marinated oyster mushrooms tightly.
Slice the onion into strips.
Pour cold water into a pot.
Add the young herring to the cold water and let it steep for about 10 minutes.
⏱️ 10m 0sAdd the onion to the water used to steep the young herring.
Add 5 tablespoons of perilla seed powder.
Wait for the perilla seed soup to come to a boil.
Slice the tofu and add it to the pot.
Before the soup boils, shake off any clumps of perilla seeds to ensure they dissolve well.
Once the perilla seed soup boils, it is finished.