Cook the noodles according to package directions. Drain, rinse with cold water, and set aside.
Mix all the sauce ingredients in a small bowl until well combined, and set aside.
Heat the oil in a wok or large skillet and sautée the garlic a little bit. Stir continuously and add the remaining veggies (red bell pepper, carrot, cabbage, mushrooms, and green onions).
Cook over high heat for about 2-3 minutes, or until the veggies are done to your liking, stirring continuously.
Add the cooked noodles and the sauce into the wok or skillet and cook for 1 minute, stirring continuously.