1. Cut beef into thin slices (cut the grain into sections, not along the grain)
2. Season the cut beef with appropriate amount of salt, oil, oyster sauce, light soy sauce, sugar, cornstarch and seasoning to marinate for 10 minutes
3. Wash the mixed mushrooms, remove the handles of the winter mushrooms, cut the large ones in half, and cut the large pieces of cloud ears.
4. Mix oyster sauce, light soy sauce, salt, sugar, sesame oil and hot water in a small bowl to make a bowl of sauce for later use, smash ginger and garlic
5. Boil a pot of boiling water to scald everything for 2 minutes and remove the drained water
6. Heat a casserole, add oil, salt, ginger, and garlic until fragrant
7. Stir fry the blanched mushrooms
8. Pour the sauce and bring to a boil
9. Spread beef on top, cover and cook for 2 minutes
10. Open the lid beef has changed color
11. Stir the meat and mushrooms and cook for half a minute before serving
Tips:1. There is no limit to what kind of mushroom you like to eat;
2. The casserole is better served warm and warm.
