01 -
Slice beef into thin strips. Combine with soy sauce, ginger garlic paste, sesame oil, sugar, and white pepper. Mix thoroughly, cover, and marinate for 15 minutes.
02 -
Combine sweet chilli sauce, ketchup, light soy sauce, vinegar, sugar, and salt in a bowl. Whisk until smooth and set aside.
03 -
Add the egg to marinated beef and mix well. Dredge the strips in corn or potato starch, ensuring even coating and separation of pieces. Shake off excess flour.
04 -
Heat oil in a wok or deep pan to 175°C. Fry the coated beef strips in batches for 1-2 minutes until golden and crispy. Remove and drain on paper towels or a rack.
05 -
In a clean wok, heat 1 tablespoon oil over medium-high. Sauté sliced onions for a few seconds, then add bell pepper and continue to stir fry briefly.
06 -
Add fried beef strips to the wok with the vegetables. Pour in reserved sauce, then add spring onions and chillies. Toss over high heat for 1-2 minutes to glaze and combine all components.
07 -
Transfer immediately to serving plates. Enjoy hot, optionally paired with steamed rice or noodles.