
Creado con IA
Place the thinly sliced flank steak in a bowl. Add the Chinese rice wine, cornflour, salt, and 1 teaspoon of the ground black pepper. Mix thoroughly until the beef is evenly coated, then set aside to marinate for 15 minutes.
In a small bowl, whisk together the beef stock, dark soy sauce, oyster sauce, and the remaining 1 teaspoon of ground black pepper. Set the sauce aside.
If the cooked udon noodles are clumped together, rinse them briefly under warm water and gently separate the strands. Drain thoroughly.
Heat 1 tablespoon of vegetable oil in a large wok or heavy frying pan over high heat. Add the beef in a single layer and sear for 1–2 minutes before stir-frying until browned but still slightly pink in the center. Transfer the beef to a plate.
Add the remaining 1 tablespoon of vegetable oil to the wok. Add the sliced onion and bell peppers, then stir-fry over high heat for 2–3 minutes, keeping the vegetables slightly crisp.
Add the minced garlic and ginger. Stir-fry for about 30 seconds, just until fragrant.
Add the drained udon noodles and prepared sauce to the wok. Toss continuously for 1–2 minutes until the noodles are evenly coated and the sauce begins to thicken.
Return the beef and any accumulated juices to the wok. Toss everything together for another 1–2 minutes, until the beef is cooked through and the sauce glazes the noodles.
Remove from the heat and serve immediately.