How to Make Tom Yam Soup with Mushrooms
1.Place together the stock, lime leaves, lemon grass, ginger, coriander leaves and onions and bring to a boil.
2.Simmer for 10 minutes, then add the mushrooms, salt, soya sauce, chilli paste and sugar.
3.When it comes to a boil, add the milk, lemon juice and chillies, bring to a boil again
4.Serve garnished with the coriander sprigs.