Add all marinade ingredients together in a large bowl or a zip top bag.
Add flank steak. Let marinade for 30 - 120 minutes. Keep steak in fridge while marinading.
Preheat grill to high for at least 5 minutes. When grill is hot, add flank steak. Turn heat down to medium high. Close lid on grill. Cook for 5 minutes.
Flip meat and cook for another 5 minutes. Remove from heat. Cover steak with foil for 8-10 minutes. Slice steak in thin strips across the grain and serve.
Video
Notes
Weight of flank steak will vary.
Grilling directions are for a medium - medium rare steak.