How to Cut a Flat Iron Steak


One of the great delights of working with a large animal is that you can get cuts off it you cannot with a smaller one. The flat iron steak cut is one of my favorite treats from larger animals.

Grilled elk from the flat iron steak cut.
Photo by Holly A. Heyser

The flat iron steak cut comes from the shoulder, and most deer and all pronghorn are simply too small to make it worth it. But when you have elk, moose, bison, nilgai or caribou, you’re in business. And of course, these instructions on how to cut a flat iron steak work with beef, too.

Flat iron steaks, if you have been living under a rock — or just don’t eat in restaurants — are super trendy. They are sinew-free and super tender. Why so trendy? Because the shoulder is a working muscle, and working muscles have more flavor.

I hear the tenderloin partisans hollering. Yeah, I like tenderloin, too, but it has very little flavor compared to the rest of the animal. I’ll take a hanger steak, skirt steak or ribeye over a tenderloin any day. Same goes for the flat iron steak cut.

This steak has many names. In Britain it is called the butler’s steak, the paleron on France, the oyster steak in Australia. According to the beef mavens, it is indeed almost as tender as the tenderloin, but with way more flavor — again, because it comes from a hard-working muscle.

You can’t really cut a flat iron steak from a deer or lamb because they are just too small, with rare exceptions. You need an animal at least 400 pounds, in my opinion, to make it worth your effort. So cattle, caribou, elk and moose are what you are looking for.

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Getting the Flat Iron Steak Cut

Here’s how to go about it.

First thing to remember is that the flat iron steak comes from the shoulder. Second, that it is a component of a blade roast. The blade roast comes from, yeah, you guessed it, the shoulder blade. Specifically the wide part of the paddle.

Shoulder for the flat iron steak cut, with the steak outlined.
Photo by Hank Shaw

Work your way through an elk or moose shoulder until you see this muscle. Fillet it off the scapula (shoulder blade) in one piece. Looks lovely, yeah?

Blade roast removed from the shoulder.
Photo by Hank Shaw

Sadly, it looks better than it is. You see, there is a gnarly line of sinew and cartilage running right down the middle of this roast. It’s so tough it will defeat your steak knife. It has to go.

You do this by starting at the narrow end of the roast, where you can see the cartilage at its thickest.

Blade roast showing sinew between two flat iron steaks.
Photo by Hank Shaw

Take a very thin, flexible boning knife (or fish fillet knife) and start sweeping it along this line of cartilage. Take your time and keep the knife as close to this line as possible. An expert misses no meat, but as I don’t shoot elk every year, I am not quite as good as someone who does this for a living. Still, it’s not hard to do. (If you’ve ever filleted a skate wing, this is very similar.)

Once you have the top steak off, the second steak is easier. You flip the roast over so the cartilage is on the bottom, and remove it exactly the way you would the skin of a fish; this is why I use a fish fillet knifeflat iron steak removed How to Cut a Flat Iron Steak to cut my flat iron steaks.

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Photo by Hank Shaw

Now you have two sinew-free steaks, one larger than the other. All you need to do to finish the flat iron steak cut is to square it off. The yield on my cow elk was two one-pound steaks, and two closer to a half-pound.

Mine are a little choppy in the cutting. Once you do a few, your cuts will get smoother. Simply trim them up nice to get them ready to sear or for the grill. As for the center sinew, that goes in the pot for venison stock.

When it comes time to cook your flat iron steaks, you’ll notice a strong grain in the meat, which is great: After you grill or sauté this steak, you slice against the grain and will have yourself a piece of my favorite steak on the whole animal. Enjoy!

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Ethan Smith is a seasoned marine veteran, professional blogger, witty and edgy writer, and an avid hunter. He spent a great deal of his childhood years around the Apache-Sitgreaves National Forest in Arizona. Watching active hunters practise their craft initiated him into the world of hunting and rubrics of outdoor life. He also honed his writing skills by sharing his outdoor experiences with fellow schoolmates through their high school’s magazine. Further along the way, the US Marine Corps got wind of his excellent combination of skills and sought to put them into good use by employing him as a combat correspondent. He now shares his income from this prestigious job with his wife and one kid. Read more >>