Grilling Flat Iron Steak on a Gas Grill So It Tastes Good

Last Updated on by SteakEat

how-to-grill-flat-iron-steak-tender-deliciousThe flat iron steak is a recent development in the world of butchery; it was first cut in 2002 by researchers looking to find better ways of using some of the less popular cuts of meat.

Prior to 2002 this delicious steak was often consigned to the ground beef bin, but now it is frequently found across the country on butchery counters.

The key to maximum enjoyment of a flat iron steak is to ensure it is marinated for maximum tenderness and then grilled quickly over a high heat. This keeps the juices inside, while developing the flavor.

A gas grill is one of the easiest ways of cooking a perfect flat iron steak – no need to worry about charcoal. Siimply spark up the grill and let it come up to heat with minimum fuss.

The grill time for a flat iron steak is important. Always err on the side of caution; if a steak is undercooked you can always throw it back of the grill to complete the job.

If you overcook it, there’s nothing you can do except imagine what it would have been like! 🙂

You can tell how well cooked a steak is using the finger and thumb test.

Relax your hand and press the ball at the base of your thumb. This is how a rare steak will feel. Touch your thumb to the tip of your index finger and press again to feel medium rare, thumb to middle finger for medium, thumb to ring finger for medium well and little finger for well done.


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When it comes to a perfectly grilled steak, grill is everything!

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Simple Steps to Grilling a Perfect Flat Iron Steak On a Gas Grill

  1. Prepare your steak with a good seasoning. Make your own mix of peppers and spices but avoid using salt at this stage, it draws out all that valuable moisture too soon.
  2. Lay your steak in a bowl and cover with a marinade, homemade or store bought such as Worcestershire sauce is perfect but watch the salt content.
  3. Put the steak to one side, not in the refrigerator, and flip over after 20 minutes – a total of 40 minutes is perfect for marinating and bringing the meat to room temperature.
  4. At the same time, turn the grill on to a medium high heat.
  5. Once the steaks are finished marinating, check the temperature of the grill by putting your hand two inches above the center. You shouldn’t be able to hold you hand there for longer than a few moments.
  6. Once the grilI is hot enough, oil the grates of the grill using fat that has been trimmed off the steak. This is ideal, since its smoking point is much higher than that of olive oil. Alternatively you can use refined coconut oil for the same reason.
  7. Then use tongs to put the steak on the hottest part of the grill. Place the steak away from you to ensure you don’t get burned by spitting fat.
  8. Leave the steak for four minutres, avoid the temptation to move it around, let the surface of the meat brown for great taste. You heard that grill marks are overrated? Who cares – they still look cool! 🙂
  9. Use tongs (never a fork as this pierces the sealed meat and lets juices out) and turn the steak through 90 degrees. We are making grill marks now.
  10. Leave it to grill for a further four minutes.
  11. Turn the steak over and cook for three minutes before turning 90 degrees for a final three minutes. The total cooking time for flat iron steak on the grill thus equals to 14 minutes – 8 on the first side and 6 on the second side.
  12. Finally, complete the steak by seasoning with salt and pepper and brushing it with a little garlic butter for extra flavor.


Serving The Best Grilled Flat Iron Steak

Once the cooking is complete, leave the steak to one side in a warm place to rest. Ideally it needs to rest for the same amount of time it has been cooking so a warm place will really help.

I recommend you set the oven to 120F / 50C and leave the steak there. You now have all the time in the world to clean up the mess and cook a side dish.

Allowing the steak to rest relaxes the fibers of the meat and allows all of the succulent juices back into the meat. A well-rested steak will not leak juices when it is cut open; the juices remain in the meat.

Flat iron steak has an excellent flavor so keep your accompaniments simple so as to not detract from your steak.

For accompaniments, the grill used to cook the steak can also be used to prepare an excellent selection of fresh seasonal vegetables.

Grill fresh asparagus, slices of eggplant and thin strips of zucchini, lightly seasoned with salt and pepper and a little extra virgin olive oil. Complete the dish with a freshgreen salad and a bottle of your favorite red wine. Ideal healthy side dish for flat iron steak!

Enjoy 🙂


All flat iron steak cooking methods:

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