1. The owner has already processed the fish when you buy the fish, and you can just go home and clean the slime from the fish
2. Take the egg white, ginger, spring onion, salt, and oil into a container with fish, mix all the main and auxiliary ingredients evenly, and marinate for 20 minutes
3. Open the hot and sour cooking pot and put it in a container, add an appropriate amount of water to mix it evenly into a thick sauce
4. Boil a pot of boiling water from the pot, blanch the fish in the pot until the surface changes color, remove and drain the water
5. In a separate pot, add a small amount of water and pour the hot and sour sauce
6. After the soup in the pot is boiled, add the fish fillets, cook and cut off, put the lettuce in a bowl first, and pour the fish and soup on top.