Step 1: soak the mutton in clear water for one hour, peel the yam and cut it into small pieces, cut the chopped green onion and ginger slices, pour the water into the pot, blanch the mutton and add rice wine;

Step 2, boil the water for 2 minutes, take it out, wash it, put it in a casserole, and add fragrant leaves, fennel, garlic, ginger slices and rice wine;

Step 3: add water, cover and stew for 1 hour, add yam and salt, cover and stew for 20 minutes, and sprinkle with chopped green onion.