Chef John owns his mistakes. He thought that maple syrup, coffee, and bourbon would make a great marinade--but he was wrong. Luckily, he has lots of good marinade recipes. The real point of this video is to share how great beef flat iron is for the grill. Serve each well-rested steak with some mixed veggies and baked potato and enjoy fully! As Chef John says, "Make the steak, not the mistake." Get marinade recipes for Chef John's Grilled Flat Iron Steak.