Heat the sesame oil in a wok or large frying pan over high heat.

Add the beef strips and stir-fry for 2-3 minutes until browned. Remove and set aside.

Add the broccoli, carrot and garlic to the pan and stir-fry for 4-5 minutes until just tender.

Add the mangetout and cook for a further 1-2 minutes.

Return the beef to the pan, add the soy sauce, and toss everything together for 1 minute until well combined and heated through.

Serve immediately.