Ingredients: 1000 grams of large pig bones

Accessories: appropriate amount of onion and ginger, 2 grams of salt

1. Soak the large pork bones in water, about 1-2 hours, soak in the bleeding water.

2. Boil the water in the inner pot of the stew pot and add the pork bones; turn the heat back on and keep boiling for 1-2 minutes; then pour out the water and clean the pork bones.

3. Put the cleaned pork bones into the pot again, fill the pot with water, bring to a boil over high heat and skim off the foam.

4. Add onion and ginger, reduce heat to low and cook for 20 minutes.

5. Move the inner pot of the stew pot into the outer pot of the stew pot and cover it with a double-layer lid.

6. Simmer for 3 hours. Open the pot and check the effect. It has been simmered thoroughly and the bones and flesh are separated.

7. Add appropriate amount of salt, put it into a bowl and serve.