Thinly slice your steak into thin strips to cook quicklyMix all the marinade ingredients well in a big bowl. Marinade the beef for at least 30 minutes or overnight.To cook the beef, use tongs to place on the heated grill, on a medium heat. Turn over quickly as it sizzles, and it will be ready in about 30 seconds. You can use a frying pan if you don't have a grill.