Steps:
1. Cut the beef, pour in 2 tablespoons of soy sauce, 1 tablespoon of oyster sauce, and add some cumin powder to marinate.
2. Cut the onion for later use.
3, garlic slices, ginger, pepper cut into sections for use.
4. Pour the oil into the pot. When the oil is hot, pour in the beef and stir-fry until medium-rare.
5. Pour a little oil into the pot and saute garlic, ginger and pepper.
6. Then pour in the onion and stir fry. Add a little salt and stir fry the onion.
7. Stir-fry the beef until soft, then pour in and stir fry. At this time, add appropriate amount of oyster sauce and salt.
8. Before the final pan, add a little cumin powder and pan.