Pour the stock into a saucepan and bring to the boil.
Step 2:
Step 3:
Plunge the noodles into the stock and cook for three minutes or until they are soft.
Step 4:
Step 5:
Add the crab to the soup, then sprinkle with chilli flakes and serve.
Step 6:
Step 7:
Try adding a handful of shredded baby spinach leaves with the chilli flakes. Canned crab is great value for money and needs no preparation in advance of being cooked.