I prefer one of the following three methods (you can easily use a regular frying pan and fry the meat for 30-60 seconds on each side):
BlowtorchFull power and give the meat 30-60 sec. on each side.
GrillAgain, full power on the grill and give the meat 30-60 sec. on each side.
Cast iron skilletFry the meat in a scorching hot pan for 30-60 sec. on each side.