Combine all the marinade ingredients in a bowl then marinate the beef for at least 20 minutes
In a separate bowl, combine the ingredients for the sauce and stir well. Set aside
Pour the water in a cooking pot and let boil.
Blanch the broccoli for a minute.
Remove the broccoli from the cooking pot and soak in ice water for 10 to 20 seconds then drain excess water. Set aside
Apply high heat on a wok or a frying pan then pour-in cooking oil when the pan is really hot.
Put-in the beef and arrange so that all the slices directly touches the pan. Allow to cook for a minute.
Flip the beef and allow the other side to cook then put-in the garlic and cook for a minute.
Pour-in the sauce and bring to a boil.
Add the broccoli and cook for a minute.
Stir-in the cornstarch (diluted in water) and cook until the sauce thickens.
Serve hot with rice. Share and enjoy!