Beef & Veggies:
Marinade:
Sauce:
Slurry:
Marinate: Mix egg whites, garlic powder, salt, black and white pepper. Add beef and toss. Marinate 15–60 mins.
Prep Sauce: Mix all sauce ingredients in a bowl. Set aside.
Fry Beef: Coat beef in cornstarch. Deep-fry in 350°F (175°C) oil for 1–2 mins until golden. Drain.
Cook Veggies: In a hot wok, sauté onions and peppers with a bit of oil and salt, 1–2 mins.
Sauce It: Add sauce to wok, simmer, then stir in slurry. Cook until thickened (1–2 mins). Turn off heat.
Combine: Toss in fried beef and mix well to coat.
