Step 1

Heat half the oil in wok; stir-fry beef, in batches, until browned. Cover to keep warm.

Step 2

Heat remaining oil in wok; stir-fry onion until soft. Add garlic, chilli, lemon grass, star anise, cinnamon, cardamom and beans; stir-fry until beans are tender. Discard star anise, cinnamon and cardamom.

Step 3

Return beef to wok with sauces; stir-fry until heated through. Stir in coriander and nuts off the heat.