1. Boil the bean mouth in boiling water, remove it and soak it in cold water for a while.
2. In a frying pan, sauté chopped green onions and minced garlic, pour in the light soy sauce.
3. Add the diced carrots and green beans and stir fry for a while, then add a spoonful of broth and simmer.
4. After the soup is dried, add salt, a little sugar, and MSG, stir-fry evenly, and then serve.
