Chicken chop suey

Name: Chicken chop suey
Ingredients: 2 tbsp vegetable oil; 1 large chicken breast cut into thin bite-sized slices; 1 onion sliced; 2 garlic cloves roughly chopped or minced; 1 carrot sliced; ½ tbsp dark soy sauce; ½ tsp chicken powder or a pinch of salt; ½ tsp sugar; pinch of white pepper (essential as it totally changes the flavour of the dish); 2 spring onions chopped into slivers; 100g ready-to-eat beansprouts; 1 tbsp cornflour mixed with 2 tbsp water; 1 tsp sesame oil; steamed white rice or fried noodles, to serve