Instructions
Mix five-spice, soy, sesame oil, and sugar, then toss with beef strips and chill if desired.
Sprinkle cornstarch over the beef, separate into strips, and drizzle with oil.
Place the beef in the air fryer basket and cook at 200°C for 6 minutes, shake, then cook for an additional 4 minutes until crispy.
While the beef cooks, heat oil in a pan and stir-fry garlic, ginger, chilli, pepper, and white spring onions for 2 minutes.
Add vinegar, soy, sweet chilli, and ketchup to the pan and cook until bubbling.
Toss the crispy beef into the sauce, cook for 1 minute, and garnish with green spring onions.
Pro Tips
Marinating the beef for up to 24 hours improves flavor.
Use a second air fryer zone to roast the red pepper chunks instead of stir-frying them.
Ensure beef strips are separated before air frying to achieve maximum crispiness.