1. Rooted onion, washed and cut into sections;

2. Wash and slice fresh ginger for later use;

3. Wash the mutton and cut it into small squares;

4. Put the mutton into the pot, add a proper amount of water, put it on the stove, boil it with strong fire, and take it out from the fire;

5. Pour out the original soup, clean the pot, then put the mutton into the pot, add a proper amount of water, and cook with high fire for 10 minute;

6. Switch to slow fire and add soy sauce, cooking wine, onion, ginger, sugar and refined salt.

7. Bring the mutton to a boil, stop the fire when the soup is small, remove the onion and ginger, and mix in the starch and stir well;

8. Pour mutton and broth into a flat-bottomed dish, cool and condense into jelly;

9. Turn it into a rectangular thin piece with a knife.