Cut the beef steak into thin slices. Mix well with the ingredients in the beef marinate list. Set aside and marinate for 10-15 mins.
Soak the dried rice noodles in the hot water for 10-15 minutes then drain the water out. Or you can prepare according to the packet instructions.
In a small bowl, add all the stir fry sauce ingredients. Mix it well and set it aside.
Heat the wok over medium-high heat, and add 2 tbsp vegetable oil. Stir fry the marinated beef slices by flatten them at the bottom of the pan and let it sear for 1-2 minutes.
Then flip the beef slices and continue to stir fry for another 1-2 minutes. Remove the cooked beef from the pan and set them aside and keep it warm.
In the remaining wok drizzle 1 tbsp of oil and heat the wok over medium-high heat. Add onion slices and stir fry for a few seconds. Follow with the finely chopped garlic and ginger and stir it well until fragrant.
Bring the heat to high and placed the rice noodles in the wok. Pour the sauce mixture in and toss it well.
Place the beef back in the wok and follow by the spring onions and bean sprouts. Combine everything well and continue to stir fry for another 1-2 minutes or until the noodles are cooked through.