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.