1. Fresh kelp
2. Wash the bones, put to a boil in a pot, remove the blood
3. When boiling water to boil the bones, wash the fresh kelp and put it in the pot
4. Then add the soybeans
5. Finally, add the bones that have been cleaned and washed with blood
6. Add appropriate amount of water
7. Cover the lid and plug in the electric cooker for two hours
8. After two hours, add salt to taste
Tips:Dried kelp can also be used, but it needs to be soaked in advance
