Heat 1tbsp sunflower oil in a pan or wok and stir-fry the beef for a couple of minutes.
Scoop out, then add the garlic, ginger, chillies and onion and cook for 3-4 minutes. Add back the beef with the broccoli, soy and 1 tsp sesame oil.
Cook for 2 minutes then serve.
For top tips on protecting you and your family when preparing raw meat and poultry, visit Food Safety in the Home and view the full Food safety at home video.