Preparation:

1. In a pot, boil water or broth. Then, add beef entrails.
2. Add lemongrass, galangal, kaffir lime leaves, and sawtooth corianders. Stir well, and leave until the beef entrails are cooked.
3. Season with fish sauce, fresh chillies, and lime juice.

Note : Beef entrails can be substituted with any kind of meat.