Chicken Chow Mein

Name: Chicken Chow Mein
Ingredients: 1 tbsp rice wine or dry sherry; 1 tsp cornstarch; 12 oz (350g) fresh Asian style egg noodles or linguine; 4 oz (115g) green beans, cut into 1in (2.5cm) lengths; 4 scallions, white and green parts, cut into 1in (2.5cm) lengths; 4 tbsp plus 1 tsp vegetable oil; 5 oz (140g) shiitake mushrooms, stemmed and sliced; 6 skinless and boneless chicken thighs, cut into bite sized pieces; One ¾ in (2cm) piece of fresh ginger, peeled and shredded; ¼ cup soy sauce, plus more to serve; ½ cup chicken stock