Cook noodles according to package instructions. Drain and set aside.
In a bowl, whisk together soy sauce, oyster sauce, honey, vinegar, and browning (if using).
Mix cornstarch with water in a separate bowl to form a slurry. Add the slurry to the sauce.
Marinate the steak with soy sauce, cornstarch, vinegar, and ginger powder.
Heat sesame oil in a wok. Sear the steak until browned. Remove and set aside.
In the same wok, sauté onions, garlic, and ginger.
See full steps with tips & photos → https://theboatshedcafe.com/steak-and-noodles-stir-fry/