Steps
How to make it
Prep 8 min · Cook 10 min
- Slice beef 150 g thin against the grain (about 0.3 cm) and pat dry; cut onion 1/2 into thin strips. Mix 1.5 tbsp soy sauce, 1 tsp oyster sauce, and 40 ml water into a sauce.
- Heat 1.5 tbsp olive oil in a skillet over medium-high; cook onion 2–3 minutes until translucent with lightly caramelized edges.
- Push onion to the side; lay beef in a single layer; rest 30 seconds until the surface colors, then toss quickly 30 seconds.
- When beef is about 70–80% done (browned outside, still slightly pink inside), pour in the sauce and stir-fry over high heat 30 seconds.
- Serve when the sauce is slightly thickened and beef is fully cooked but still tender; do not over-stir or it toughens.
