The method of soaking shark's fins is as follows:

Material preparation: some shark's fins, a sealed box, some pure water, a scissors, a pressure cooker, some green onions, some garlic and so on.

1. Put the shark's fins into a sealed box.

2. Add purified water into the sealed box and close the lid.

3. After soaking for 1 hour, use scissors to cut off the head of the shark fins.

4: Add green onion, garlic, shark's fin and some pure water to the pressure cooker and cook until 30 minutes.

5. Clean the cooked shark's fins well.