Sauté garlic, then add various mushrooms and onion; stir-fry together.
Pour about 2/3 of the cup noodle water in and let it cook a bit, then transfer to the stir-fry pan.
Stir-fry until some moisture evaporates, then add seasoning little by little and adjust to taste.
Add mung bean sprouts and stir-fry for about 1 minute to finish.