1. Prepare ingredients: potatoes, noodles and parsley.
2. Heat oil in a hot pot, add shredded potatoes and stir fry until raw, then add a spoonful of oyster sauce and stir fry evenly, and then add water to the shredded potatoes to boil.
3. Then add two spoonfuls of soy sauce, add another spoonful of soy sauce, cover and cook on low heat 10 minute. After breaking the potatoes with a shovel, shovel them into mashed potatoes, then pour in the chopped parsley and cook for two minutes.
4. Then pour the mashed potato soup into the dish for later use, and take out the cooked noodles. After two times of cold water, put the noodles into the cooked mashed potato soup and stir well.