1. Cut the winter bamboo shoots into strips; 2. Cut the stem of the water-soaked mushrooms and blanch them with boiling water;
3. Heat the oil in the pot, add the pepper, stir-fry the fragrance, remove the pepper and keep the pepper oil;
4. Add vegetable oil to the pot, heat, add onion ginger and pepper and stir-fry until fragrant;
5. Add broth, monosodium glutamate, salt and appropriate amount of sugar to taste, and add winter bamboo shoots and mushrooms to taste;
6. Finally, dry the soup, pour pepper oil on it, take out the winter bamboo shoots and mushrooms, cool them and put them in cold dishes.