1) Cut the flat iron steak lengthwise to form two equal strips.

2) Place all the above ingredients in a large baking pan, or Ziploc bag.

3) Add the meat to it and place in the refrigerator for an hour or more.Start the BBQ . When temperature reaches high, add the steaks. Cover and cook for 3 minutes.Turn the steaks and cook the other side for another 3 minutes, or to required doneness.