1. Material: 500g meat, 400g fresh yam soup, Lycium barbarum 15g, proper amount of Shaoxing wine, proper amount of ginger juice, soy sauce, five-spice powder, monosodium glutamate and onion.

2. Wash the raw yam and cut it into pieces and put it in a steaming bowl; Remove the white film from the mutton, wash it, cut it into pieces, put it in a bowl, add Shaoxing wine, ginger juice, spiced powder and soy sauce, and stir well.

3. Then put it on the raw yam piece by piece, add a proper amount of fresh soup, monosodium glutamate, onion and mutton juice, pour it into a steaming bowl with a built-in boiling pot, steam it to 1 hour 30 minutes, sprinkle with medlar when it is rotten, and take it out for 5 minutes to eat.