oil over medium-high heat until shimmering. season the beef strips with salt and pepper then add to the oil. cook, stirring constantly, until the beef is starting to brown but is not cooked through the center, about 5 minutes. remove the meat to a bowl and set aside.
turn the heat up to high and add the sauce to the pot; bring to a boil, about 5 minutes. add the noodle and stir. bring back to a boil and boil for 4 minutes. stir in the broccoli and bring back to a boil again. boil for 2-3 minutes. add the steak and bring to a boil for the last time. boil 