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Cast Iron Skillet Filet Mignon

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Michael SteligaBy Michael Steliga
Michael Steliga
Michael Steliga Food Writer

I am a chef turned writer, pouring my knowledge and passion for food and beverages into my writings. I hope to inspire people with food, and help them to realize that delicious food doesn’t have to…

Expertise: French trained chef,cooking global cuisine, 20+ years cooking and bartending View all posts →
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Steakhouse quality from the comfort of your home.

Crispy roasted potatoes with herbs in a white bowl, served near cast iron skillet with cooked steaks on a white surface.

A perfectly cooked steak at a fancy restaurant is always a nice treat; but what if I told you that you could make that same incredible steak at home? Well, you can, and with this cast iron skillet filet mignon recipe, its a breeze.

Steaks have long been an American tradition, and a favorite at bbq’s, weddings, picnics, holidays and gatherings. It seems like there is no setting that a perfectly cooked steak doesn’t pair well with. “Meat and potatoes are all you need.” At least that’s what grandpa always said. I mean he’s not wrong, but I do like a good side of veggies with mine to help round out the whole meal.

Our cast iron skillet filet mignon, is juicy, tender, and succulent. Simply seasoned with only salt and black pepper, then bathed in butter, garlic and fresh rosemary. This is a culinary match made in flavor heaven. Often too many people try to over do it and go crazy with flavors. In my opinion, less is always more when it comes to the perfect steak, no need to go overboard with seasonings, just keep it nice and simple. A chef once told me the secret to great food is the KISS theory, Keep It Simple and Sexy. They told me that some of the best dishes only had a few ingredients,  allowing quality of the products to shine. A great steak is the perfect example of this.

American Beef

When America was first being settled there were vast wide open ranges, excellent for homesteaders, cowboys and raising cattle. Livestock was a major importance in the early years, you couldn’t just run out to your local grocery store, you had to raise and harvest everything yourself. Steak, and beef in general, was a huge part of the American diet, and still is. Thanks to the Industrial Revolution in the 1800’s, meat processing plants came into existence, making quality steaks and beef available to everyone.

These advances in technology have made it so steaks are in every market, in every town. You no longer have to spend hours toiling to raise and harvest good beef. Now all you have to do is head down to your local grocery store and pick up your favorite cut. The crave-able flavor of this cast iron filet mignon is not the only great benefit. Steak is very high in protein keeping you full for longer periods of time, it is also a great source of iron, and potassium, as well as having calcium and even vitamin A.

Ingredients

  • 2 filet mignons 6 to 8 ounces each, about 2 inches thick
  • Salt and freshly ground black pepper to taste
  • 1 tablespoon vegetable oil
  • 2 tablespoons unsalted butter
  • 5 cloves garlic peeled
  • 4 sprigs fresh rosemary
Fresh raw beef steaks on a textured plate with garlic, butter, herbs, and cooking essentials for steak preparation.

How to Make Cast Iron Skillet Filet Mignon

Step 1: Take the filet mignons out of the fridge 30 to 60 minutes before cooking. Season with salt and pepper generously and let them sit at room temperature.

Fresh raw beef steaks seasoned with salt and pepper on a textured beige plate.

Step 2: Heat your oven to 360°F in preparation for cooking the steaks.

Step 3: Heat a medium cast iron skillet on high heat for 3 to 5 minutes. Add oil and sear the filet mignons for 2 to 3 minutes per side until they have a nice browned crust.

Sirloin steaks cooking in a black cast iron skillet on white marble countertop.

Step 4: Place butter, garlic, and rosemary in the skillet with the steaks.

Juicy seared steaks with garlic, butter, and fresh rosemary in a black skillet.

Step 5: Transfer the skillet to the oven and bake for 2 to 8 minutes, depending on your desired level of doneness.

Juicy seared steaks with garlic, rosemary, and herbs in a cast iron skillet for flavorful cooking.

Step 6: Remove the steaks from the oven, place them on a plate, tent with foil, and let them rest for 5 to 10 minutes before serving.

Aluminum foil wrapped baking dish on marble countertop for easy cleanup.

FAQs & Tips

How to Make Ahead and Store?

To make this dish ahead of time, just follow the recipe above then cool your steak. Once cooled place in an air tight container and store in the refrigerator for up to five days. To reheat your steak, cover with foil and place in a 350º oven for about 5 to 10 minutes. Alternatively, you can add a little beef broth to a pan, add your steak, and simmer until the desired temperature is reached.

Do I have to use butter?

No, if you are someone with a dairy intolerance or just prefer not to use butter, that’s ok. You can use a good oil like grape seed.

What if I have to watch my sodium intake and can’t use salt?

No salt, no problem. There are tons of seasoning mixes on the market these days that are salt free, pick a couple up and find your favorite, or even make your own.

What if I don’t own a cast iron pan?

Not to worry, you can use almost any quality metal pan you have; just make sure not to use a non-stick pan. The pan needs to be very hot to get a good sear on the meat, non stick pans often have a coating that can be damaged from being heated without anything in the pan.

Juicy skillet steaks with garlic, herbs, and flavorful pan sauce. Perfect for a cozy dinner.

Serving Suggestions

Our cast iron skillet filet is a decadent protein, just waiting for the perfect side dish. I could write a whole post about all of the sides that pair with this delicious meal, but for today I’ll keep it simple and list a few of my favorites. When we talk about steak, one of the first things that comes to mind is potatoes, of course. Weather roasted, boiled, baked, fried or mashed, you can’t go wrong potatoes. There are literally hundreds of ways you can cook and serve this simple tuber, but in my mind the classics are the best. Given a choice, I’ll take a giant helping of mash potatoes, any time I can. 

Potatoes are definitely not the only side dish, and like the saying goes, “variety is the spice of life”. So let your tastes run wild, try a side of roasted mushrooms, broccoli, or green beans. Toss together an easy pasta or chopped salad. Make an ooey gooey Mac and cheese or a fluffy corn bread, or add in a Latin flair with a bright Chimmichurri. You can even get creative and make your own compound butter, if you are unfamiliar with compound butter, don’t worry, all it is is regular butter that has herbs and seasonings mixed in. Go wild with your flavors, you have everything to gain and who knows maybe you’ll come up with a new family favorite.

Don’t worry about the perfect side, give one of ours a try, like this Mediterranean Pasta Salad, or this Roasted Vegetable and Farro Salad with Pomegranates. I personally love this Fondant Potato recipe and how it compliments the steak so well.

Juicy beef steak with rosemary garnish and roasted potato wedges.
Crispy roasted potatoes with herbs in a white bowl, served near cast iron skillet with cooked steaks on a white surface.

Cast Iron Skillet Filet Mignon

Baked Bree man with beard in formal suit indoors.Michael Steliga
No ratings yet
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 10 minutes mins
Total Time 1 hour hr 30 minutes mins
Course Main Course
Cuisine American
Servings 2 servings
Calories 638 kcal

Ingredients
  

  • 2 filet mignons 6 to 8 ounces each, about 2 inches thick
  • Salt and freshly ground black pepper to taste
  • 1 tablespoon vegetable oil
  • 2 tablespoons unsalted butter
  • 5 cloves garlic peeled
  • 4 sprigs fresh rosemary

Instructions
 

  • Take the filet mignons out of the fridge 30 to 60 minutes before cooking. Season with salt and pepper generously and let them sit at room temperature.
    Fresh raw beef steaks seasoned with salt and pepper on a textured beige plate.
  • Heat your oven to 360°F in preparation for cooking the steaks.
  • Heat a medium cast iron skillet on high heat for 3 to 5 minutes. Add oil and sear the filet mignons for 2 to 3 minutes per side until they have a nice browned crust.
    Sirloin steaks cooking in a black cast iron skillet on white marble countertop.
  • Place butter, garlic, and rosemary in the skillet with the steaks.
    Juicy seared steaks with garlic, butter, and fresh rosemary in a black skillet.
  • Transfer the skillet to the oven and bake for 2 to 8 minutes, depending on your desired level of doneness.
    Juicy seared steaks with garlic, rosemary, and herbs in a cast iron skillet for flavorful cooking.
  • Remove the steaks from the oven, place them on a plate, tent with foil, and let them rest for 5 to 10 minutes before serving.
    Aluminum foil wrapped baking dish on marble countertop for easy cleanup.

Nutrition

Calories: 638kcalCarbohydrates: 3gProtein: 31gFat: 55gSaturated Fat: 23gSodium: 86mgFiber: 0.2g
Keyword filet mignon, valentine’s day
Tried this recipe?Let us know how it was!
Delicious dairy-free chocolate cupcake with colorful sprinkles, bakery style treat, vegan dessert, Baked Bree.
Baked Bree man with beard in formal suit indoors.

About Michael Steliga

I am a chef turned writer, pouring my knowledge and passion for food and beverages into my writings. I hope to inspire people with food, and help them to realize that delicious food doesn’t have to be difficult to make.

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Published: Apr 16, 2024 | Updated: Oct 17, 2025

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