1. Slice beef and marinate it with raw flour, salt, soy sauce and cooking wine 10 minute. 2. Wash and slice the onion. 3. Cut the green pepper and various ingredients into sections for later use. 4. put oil in the pot and put ginger slices to saute. 5. Add corned beef and stir fry quickly. 66. Stir-fry beef until it is raw. 7. Put it aside. 8. Add onion slices and green pepper slices to the original pot and stir well, adding less salt.