Quick hot and sour noodle soup

Name: Quick hot and sour noodle soup
Ingredients: 1 tbsp groundnut oil; 2.5cm/1in piece fresh root ginger, peeled and thinly sliced; 2 handfuls fresh shiitake mushrooms, sliced; 1 red chilli, de-seeded, finely chopped; 1 tbsp Shaoxing rice wine or dry sherry; 700ml/1 pint 5fl oz vegetable stock; 220g/8oz canned bamboo shoots, drained and rinsed; 1 tbsp light soy sauce; 1 tbsp dark soy sauce; 1 tbsp Chinese black rice vinegar or balsamic vinegar; pinch ground white pepper; 1 tbsp cornflour mixed with 2 tbsp cold water; 200g/7oz cooked egg noodles; 2 small handfuls beansprouts; 8 baby corn, sliced; 1 spring onion, sliced; 100g/3½oz cooked chicken, shredded