1Cook the egg noodles according to the package instructions, then drain and set aside.
Heat the vegetable oil in a large pan or wok over medium-high heat.
Add the beef strips to the pan and stir-fry for 3-4 minutes until browned.
Add the garlic and ginger to the pan and stir-fry for another minute until fragrant.
Add the onions, bell peppers, and mushrooms to the pan and stir-fry for 3-4 minutes until the vegetables are tender.
Add the cooked noodles to the pan and toss everything together.
Pour the oyster sauce over the mixture and stir well to combine.
Cook for another 2-3 minutes, ensuring everything is well coated and heated through.
Serve hot and enjoy your Beef Chow Mein.