1. Wash the cabbage, cut it into thin slices with a razor blade, blanch it in boiling water, take it out, cool it and drain it.

2. Wash the pork and cut into thin slices; wash and cut the shiitake mushrooms into small pieces; cut the onions, ginger, and garlic into rice-sized pieces.

3. Heat oil in a pot, add onions, ginger and garlic, add in meat slices and stir-fry until white, add mushroom slices, cabbage slices, cooking wine, soy sauce, refined salt and sugar and stir-fry Mix well, cook in vinegar, add MSG, thicken with 10 grams of wet starch (5 grams of starch plus water), pour in peppercorn oil, remove from the pan and serve.