2. First, cut the beef brisket, tomatoes, red and white radishes, cut the onions into sections, and smash the garlic for later use.
3. Boil a pot of hot water. After scalding the brisket, press the brisket by hand with the edge of the water, squeeze out the blood until no blood comes out, drain and set aside.
4. Add salad oil into the pot, stir-fry the beef brisket after the fragrant ginger and garlic are medium-hot, and add spicy bean paste and soy sauce one after another to make the beef brisket colorful and spicy.
5. Add broth to the pot, which will be subject to slightly covering the brisket, and add tomatoes, red and white radishes, star anise, onion, rock sugar and marinated buns to the soup, boil over high fire to remove foam, and turn to low heat to cook the brisket until it is soft and rotten, which is the braised beef soup.
6. Cook the noodles, pour in the beef soup, and add chopped green onion, hot vegetables and sauerkraut to serve.