Place a pan on the stovetop and add 2 tbsp of vegetable oil to it; once the oil is heated, add the sliced onions and stir fry for 3 minutes until the onions are translucent.
Add the grated ginger and minced garlic and stir fry for 30 seconds until fragrant
Now, bring the marinated beef and stir fry for 4 minutes on one side and then turn over to the other site and stir fry for another 4 minutes until the beef is soft, tender, and moist.
Next, stir the beef and broccoli sauce again and pour it over the stir fried beef. Stir the sauce to combine with the beef and reduce the heat to medium-low and cook for 4 minutes until the sauce begins to thicken.
You can add some red chili flakes for some heat to this beef and broccoli stir fry. Stir to combine.
Now, add the steamed broccoli florets and some chopped spring onions, and then stir to combine. If the beef and broccoli sauce appears to be too thick, you reduce the consistent with some little amount of water and cook for few seconds or a minute.
After stirring, further cook for a minute and your easy homemade beef and broccoli is ready.
You can garnish this beef and broccoli stir fry with some sesame seeds and enjoy it.