Winter is the season to eatmutton,so gather a few friends for a hotpot.What to do with leftover mutton slices?After freezing and thawing, they become soft and unappetizing.Now I will teach you how to make a deliciousstir-fried mutton with green onions.This stir-fried mutton is not tough but keeps its tender texture.mutton slices, soy sauce,rice vinegar,sugar, and salt.Marinate the defrosted mutton in a little cooking wine, then cut the large onion diagonally.Boil water, add the mutton slices and stir with chopsticks until they are cooked.Remove the mutton from the water, discard the water.Heat oil in a pan, stir-fry the mutton slices, add the sliced onions, then quickly add soy sauce, sugar, and salt.Stir-fry evenly, pour in rice vinegar, and serve.This dish must be cooked over high heat and quickly to prevent the meat from becoming tough.The meat was boiled initially, so it cooks easily and does not need prolonged cooking.For stir-fried mutton:250g leg of lamb, 4 onion whites, 2 garlic cloves,soy sauce, rice vinegar,sugar, salt, white pepper powder,a little MSG.Cut the leg of lamb into slices and marinate with cooking wine, soy sauce, white pepper, and sugar for 10 minutes.Slice the onion whites and garlic.Heat oil in a pan, stir-fry the mutton slices until they change color, then add onion strips, pour in rice vinegar and salt, continue to stir-fry for 20 seconds.Add garlic slices and stir briefly before serving.Using leg of lamb is best for this dish; adding sugar during marination can remove the fishy smell and enhance flavor.Rice vinegar enhances the taste; you can use braising sauce instead of soy sauce, just with a slightly darker color.MSGa little ：1. Slice the leg of mutton and marinate with cooking wine, aged soy sauce,pepper powderand sugar for 10 minutes. 2. Cut the white part of the spring onion into threads, and slice the garlic. 3. Heat oil in a pan, stir-fry the slices of mutton until they change color, then add the onion threads, pour in vinegar and salt and continue stir-frying for 20 seconds. 4. Add the garlic slices and stir-fry briefly before serving [Tips] 1. The ideal meat for is leg of mutton; adding sugar during marination can remove the gamey flavor and enhance the taste. 2. Pouring in a little vinegar can intensify the flavor, and aged soy sauce can be substituted with red cooking soy sauce, though it will have a darker color.