1, wash the cow's feet and cut them in the middle. ?
2. Then boil water in a pot and blanch it with hot water to remove the smell of blood.
3. Put enough water into the pot, add ginger slices and onion segments, and boil over high heat.
4. Then add cooking wine, sugar, salt and soy sauce, and turn the fire for 30 minutes to the pressure cooker for 20 minutes.
5. Then pour into the wok to collect the juice.
6. Finally, serve on a plate.