1. Wash the pig keel and cut into pieces.
2. Cut apple and white radish into pieces separately.
3. Put the white radish, keel, and apple into the electric cooker, and add appropriate amount of water.
4. Cover the pot and adjust to the soup stall.
5. When the time is up, open the lid and add some salt, chicken essence, and pepper to taste.
6. Put it into a bowl and start eating.
