2. Wash carrots, potatoes and green onions and shred them.
3. Heat the wok, melt the butter, stir-fry shredded carrots for a while, then stir-fry shredded potatoes, stir-fry shredded onions until it stops, add refined salt, cooking wine, sugar and a little water, stir-fry evenly, add monosodium glutamate, and serve.