2. Peel the lettuce, wash it, cut it into hob pieces, marinate it with 2g salt for 10 minute, and wash the Flammulina velutipes after removing the roots.

3. Peel and slice ginger, wash shallots, and chop chopped shallots.

4. Pour water into the pot and add beef balls and ginger slices.

5. After boiling, add cooking wine to boil, cover and turn to low heat 15 minutes.

6. Then open the lettuce and put it on the fire to boil.

Add olive oil

8. Add salt to taste

9. Finally, add Flammulina velutipes, add chopped green onion after boiling, and then turn off the fire and take out the pot.