The chickens must be old hens that are more than 3 years old, preferably those raised at home, with the subcutaneous fat removed.
Cut the potato into large pieces and put them into the stew pot together
Bring it to a boil over high heat, then turn to low heat and simmer for 4 hours before seasoning and serving.
If you have a cold constitution, you can also fry the potato and chicken in oil first and fry the surface.
It is not recommended for those with a hot constitution, as it may cause irritation.