If you're a fan of teriyaki sauce, you'll love this teriyaki chicken chowmein recipe. The chicken is marinated in a homemade teriyaki sauce made from soy sauce, ginger, garlic, and a touch of brown sugar. The vegetables, such as broccoli, carrots, and mushrooms, are stir-fried until tender. The noodles are cooked separately and then tossed with the teriyaki chicken and vegetables. Garnish with some chopped green onions for added freshness. This teriyaki chicken chowmein is a flavorful and satisfying dish that will transport you to your favorite Asian restaurant.