Dehair pig\'s trotter. Cut into pieces. Scald in boiling water. Rinse and drain dry.
Soak peanut in water. Wash & clean. Shell & peel chestnut. Cut into halves.
Heat oil in a wok. Sauté ginger slices & preserved bean curd. Add in pig\'s trotter and fry until done. Add peanut, chestnut & seasonings. Bring to boil and turn to low heat and stew for 1-1/2 hour. Bring sauce to thicken and add green onion. Dish up & ready to serve.