How to stir-fry beef is delicious:

1. Slice beef and marinate in raw flour, salt, soy sauce and cooking wine for 1 minutes. 2. Wash and slice the onion. 3. Cut the green pepper and various ingredients for later use. 4. Put the oil in the pot and put the ginger slices to explode. 5. Add the salted beef and stir fry quickly. 66. Stir-fry the beef until it is raw. 7. Set aside. 8. Add onion slices and green pepper slices into the original pot and stir well, adding less salt.