1Slice beef into strips and marinate with chicken powder, five spice powder, salt, baking soda, and white pepper. Set aside for 30 minutes.
2Dredge the marinated beef in cornstarch.
3Preheat the air fryer to 180°C for 3 minutes.
4Add beef to the air fryer basket and spray with oil. Air fry for 8-10 minutes, shaking every couple of minutes and spraying with more oil halfway through.
5Combine organic water, hoisin sauce, ketchup, sriracha, oyster sauce, light soy sauce, rice wine vinegar, chili flakes, and garlic powder for the sauce.
6Heat oil in a pan, add onions and bell peppers, stir fry for 3 minutes until softened.
7Pour sauce into the pan and cook until thickened.
8Add beef and vegetables to the sauce and toss until evenly coated.