Ingredients: Appropriate amount of taro, sweet potato flour, appropriate amount of lean meat, appropriate amount of green onions and peppers, appropriate amount of sauerkraut, appropriate amount of lard, blended oil, soy sauce, salt, appropriate amount of hot and sour taro dumplings. Cook the taro in a pressure cooker: taro must be able to Cooked taro is soft, rotten, and translucent, but not every taro can be cooked. How to choose: Try to buy big and round taro. You can also specifically ask the vegetable seller if it is the kind of taro that can be cooked very badly. Usually the boss will know. Peel and knead the sweet potato flour and taro evenly. Until the dryness and humidity are just right, you can make dumplings. It is wise to leave 2-3 taro aside beforehand. If the dough is too dry, add taro; if the dough is too wet, add sweet potato flour. Knead the sweet potato flour and taro evenly. Until the dryness and humidity are just right, you can make dumplings. It is wise to leave 2-3 taro aside beforehand. If the dough is too dry, add taro; if the dough is too wet, add sweet potato flour. Prepare the filling. Stew the lean meat until tender, chop the green onion into fine pieces, and prepare the sauerkraut. Add soy sauce and salt to the meat separately, then mix the meat, green onions, and sauerkraut evenly. Make the dumplings. After the water in the pot boils, add the dumplings. At the same time, make the base soup: put blended oil (heated in a pan beforehand), lard, salt, green onion, soy sauce, chili into a large bowl, and add some boiling water (not too much). When the dumplings are boiling, you can pour a bowl of cold water into it, and then pour it in again after boiling, so that the cooked dumplings will be better. When the dumplings are cooked, take them out and add them to the soup base to finish. When the dumplings are taken out, they will inevitably contain some water, so don’t add too much water when making the soup base. Tips: The taste and filling formula can be adjusted according to the taste. For example, adding sauerkraut to the filling this time is our latest preference. The taro dumplings are sour and spicy in the end and are very delicious.