Pleah sach ko (stir-fried beef with lime)

Instructions

1. Cut the beef into thin strips and mix with the kroeung, fish sauce and sugar, then leave to marinate for 15 minutes.
2. Heat the oil in a wok over high heat until it just starts to smoke.
3. Sear the meat in a single layer for 1 minute, flip and continue for 1 minute, working in small batches.
4. Add the sliced garlic and shallots, along with the red onion cut into strips, and stir-fry for another minute.
5. Off the heat, squeeze over the lime juice and pepper generously.
6. Serve immediately with the cucumber, mint and white rice.