1. Cut beef into small pieces.
2. Cut the tomato into small pieces.
3. Put the beef into the pot, add a proper amount of water, boil it and cook for two minutes to remove the blood.
4. Braised beef.
5. Cut the green onion, ginger and garlic.
6. Put the beef into an electric pressure cooker, add a spoonful of green onion, ginger, garlic, dark soy sauce, light soy sauce, oyster sauce, and cooking wine.
7. Add water just soaked in ingredients and simmer for 20 minutes.
8. Pour the tomatoes and continue to simmer for 15 minutes.
9. Add appropriate amount of salt and serve on a plate. The tomatoes are soft and the beef is soft, and the taste can't be better.
