1. The ingredients are ready.
2. Blanch the bones for later use.
3. Put the ingredients in the casserole.
4. Put the boiled bones in.
5. Put in the right amount of water, bring to a boil on high heat, and simmer on low heat.
6. After boiling for an hour or two, turn off the heat and add a proper amount of salt.
The good old fire soup must be boiled for more than two hours for the soup to taste delicious.