This is simply the best! A lot of recipes on here seem to list chow mein as being a rice dish, but I've always known it as noodles, like this one. Use as a side dish or main dish. Easily made vegetarian.
Cook noodles according to directions. Drain and set aside.
In a small dish, combine the broth, cornstarch and salt; set aside.
Heat the oil in a large skillet or wok, then add the onion, ginger and garlic. Stir-fry until you can smell it, about 1 minute. Add the veggies, until thawed, maybe 4 minutes.
Add the chicken and broth. Cook, stirring constantly, until the mixture boils and thickens, about 2 minutes. Remove from heat.