Quick Chicken Chow Mein

Name: Quick Chicken Chow Mein
Ingredients: 500 g boneless, skinless chicken breast, finely sliced; 1 tsp bicarbonate of soda (baking soda) (optional, see note 1); 250 g thin noodles (any type); 1 tbsp cornflour (cornstarch); 3 tbsp all-purpose soy sauce or tamari; 1 tsp dark soy sauce; 1 tbsp Shaoxing wine; 1 tbsp sesame oil; 1 tbsp sugar; 2 garlic cloves, minced; 2 tbsp olive oil; 150 g shredded green cabbage; 90 g julienned carrot; 90 g bean sprouts; 3 spring onions (scallions), sliced into 2 cm (¾ inch) pieces