Steps:
1, will be cleaned, drained, loaded into the dish into the salt and nitrate water, marinate for about eight hours;
2, take an aluminum pot, pour broth, put on medium heat, put the beef tongue, onion, ginger, cooking wine, salt, sugar, soy sauce, put pepper, star anise, wrapped in Saran Wrap up under the pot;
3, the water boiled, skimmed off the froth, turn on the small fire. Halogen about four hours, when the ox tongue is cooked, fish out and drain the soup, while hot, tear off the skin of the ox tongue;
4, the aluminum pot off the fire, into the ox tongue, soak for three hours, fish up and drain the soup, change the knife into a slice, mounted on a plate, dripping a little sesame oil can be.