01 -
In a bowl, mix the thinly sliced beef with 1 tablespoon of soy sauce and a pinch of black pepper. Allow to marinate for 10 minutes while preparing the other ingredients.
02 -
Heat 1 tablespoon of vegetable oil in a large wok or sauté pan over high heat. Stir-fry the beef in batches for 2–3 minutes each, until browned. Remove the beef from the pan and set aside.
03 -
Add the remaining tablespoon of oil to the same pan. Stir-fry the sliced onions over medium-high heat for 4–5 minutes, until soft and starting to caramelize.
04 -
Add minced garlic and ginger to the onions. Stir constantly and cook for about 1 minute until aromatic.
05 -
In a small bowl, blend the remaining soy sauce, oyster sauce, hoisin sauce, sesame oil, and beef broth or water until thoroughly combined.
06 -
Return the beef to the pan with the onions and aromatics. Pour in the sauce mixture, stirring to coat the beef and onions evenly.
07 -
In a separate small bowl, mix cornstarch with 2 tablespoons of water to form a slurry. Add the slurry to the pan and cook for 1–2 minutes, stirring, until the sauce thickens and glazes the beef and onions.
08 -
Transfer to a serving dish. Garnish with chopped green onions and sesame seeds if desired. Serve immediately with steamed rice or noodles.