Coconut Noodle Soup with Crispy Fried Shallots

Name: Coconut Noodle Soup with Crispy Fried Shallots
Ingredients: For the crispy shallots:; 1 large shallot; 1 tablespoon cornflour; groundnut. sunflower or vegetable oil for deep frying; For the soup:; 1 tablespoon groundnut oil; 2 tablespoons tom yum paste; 1 thumb-sized piece of ginger,peeled and finely sliced; 1 red chilli, finely chopped; 100 milliliters coconut milk; 1 large pak choi, chopped, green and white parts separated; 1 green pepper, sliced; 2 kaffir lime leaves; 1-2 teaspoons fish sauce (to taste); 1 lime; 1 handful sugar snap peas; 5.5 ounces noodles; 6 ounces raw king prawns; 1 handful coriander, chopped; 2 spring onions, finely sliced