- 3 tablespoons oyster sauce, divided
- 3 tablespoons soy sauce, divided
- 5 tablespoons cornstarch (or cornflour), divided
- 3 teaspoons toasted sesame oil, divided
- ½ teaspoon garlic powder
- A few pinches chili flakes, divided
- 1 pound sliced steak
- 1 teaspoon rice wine vinegar
- 3 tablespoons sesame seeds, plus more for serving
- 3 tablespoons neutral cooking oil, divided
- 2 cloves garlic, finely chopped
- 2 tablespoons brown sugar
- 1 scallion, sliced, to serve
- In a medium-sized bowl, mix together 1 tablespoon oyster sauce, 1 tablespoon soy sauce, 1 tablespoon cornstarch, 1 teaspoon sesame oil, ½ teaspoon garlic powder, and a pinch or two of chili flakes.
- Add the sliced steak to the bowl and mix well to coat. Set aside for 20 minutes to marinate.
- Meanwhile, mix together 3 tablespoons of cornstarch with 3 tablespoons of sesame seeds in a medium-sized bowl.
- In a bowl or jug, combine together ½ cup water with 2 tablespoons oyster sauce, 2 tablespoons soy sauce, 2 teaspoons toasted sesame oil, and 1 teaspoon rice wine vinegar to create the sauce.
- In a small bowl, combine 1 tablespoon cornstarch with 1 tablespoon water to create a slurry.
- Add 2 tablespoons of cooking oil to a large frying pan over medium-high heat.
- Remove the steak from the marinade and toss it in the cornstarch and sesame seed mixture to thoroughly coat.
- Transfer the coated beef to the hot pan.
- Fry the beef for 3 to 4 minutes, until browned.
- Remove the beef from the pan and set it onto a paper towel-covered plate to soak up any excess oil.
- Wipe out the pan, and then add 1 tablespoon cooking oil.
- Fry the finely chopped garlic and a pinch of chili flakes in the oil for 1 minute.
- Add the sauce from step 4 and brown sugar to the pan.
- Let the sauce simmer for a few minutes, and then add the cornstarch slurry to thicken the mixture.
- Toss the crispy beef in the sauce.
- Serve, optionally garnished with sliced scallions, extra chili flakes, and sesame seeds.