Step 1

Heat a little of the oil in a large pan and brown the beef in batches, removing to a plate after, reserving any juices. If your slow cooker has a browning function, use this instead. Meanwhile, in a mini chopper or food processor, whizz half the coriander, the chopped lemongrass, garlic, chillies and galangal with the rest of the oil until you have a rough paste.

Step 2

Turn the slow cooker to High. Heat the paste for a few mins, then add the beef and all the remaining ingredients, apart from the remaining coriander and lime juice. Turn slow cooker to Low and cook for 8 hrs, or until the meat is falling off the bone.

Step 3

If using beef ribs, remove bones from the beef, then shred the meat with 2 forks. If the sauce is too thin, strain it off and boil it to reduce. Stir in the remaining coriander and lime juice, then season with more fish sauce or sugar.