1. Niu Nan cut into evenly-sized pieces
2. Prepare accessories, slice ginger, cut green onion into sections
3. Two tomatoes
4. Boil the cow nan with water, add the cut cow nan, boil for two minutes, remove it, and put it in cold water for later use
5. Heat oil in a pot, add green onion, ginger, star anise, cinnamon and bay leaves, pepper, and dried chili until fragrant
6. Add the buffalo nan, stir fry, add the cooking wine
7. Add water, add more water, bring to a boil on high heat, turn to low heat and simmer for 1 hour
8. Lightly cut tomatoes in crosses, add boiling water and peel them
9. Peeled and diced tomatoes
10. When the water in the pot is boiled, add tomatoes, salt and a little soy sauce when the beef is just filled, and simmer on low heat.
11. Collect the juice, heat up the juice, add chicken essence to taste
Tips:Niu Nan needs to be selected well and cut into pieces evenly... Add water at once...
