1. Soak the sirloin in clean water for 2 hours, changing the water twice.
2. Peel the tomatoes, cut into pieces and set aside.
3. Scallion, ginger, garlic and onion are set aside.
4. Add three slices of ginger and two spoons of cooking wine in cold water. Add the sirloin chunks. When the water boils, remove the sirloin into the hot water and wash it clean.
5. Put the water in the casserole and bring to a boil. Add the blanched sirloin, green onion, ginger, garlic and various spices. Cover and simmer for 80 minutes. Turn off the heat.
6. Pour an appropriate amount of oil into the pot and fry the tomatoes until the soup comes out.
7. Pour the fried tomatoes into the beef stew casserole, add onions and appropriate amount of salt and continue to simmer for 30 minutes.
Tips:The method of peeling tomatoes: it can be boiled in boiling water or roasted on a stove, which is very convenient.
