1. Raw material diagram.
2. Add the beef slices with salt, pepper, cooking wine, and cornstarch, mix well in one direction, and marinate for more than 20 kilograms for later use.
3. Boil water in a pot, pour a small amount of oil and salt, blanch the bitter gourd slices, remove and drain for later use.
4. Heat in a frying pan, sauté ginger, garlic, peppercorns, green onions, pour the marinated beef and stir fry.
5. Pour the boiled bitter gourd after the beef cow changes color.
6. Stir in light soy sauce and oyster sauce.
7. Use wet corn starch to thicken the gorgon.
