Juicy Air Fryer Filet Mignon in 15 Minutes

When you want a steakhouse-quality filet mignon but need it fast, the air fryer delivers a deep brown crust and a rosy, tender center in about 15 minutes. No grill, no splattering pan, and barely any cleanup.

It’s the method I reach for on busy nights when dinner needs to feel a little special without a lot of fuss. Just a few simple ingredients and the air fryer does the heavy lifting.

Why This Air Fryer Filet Mignon Works

The high, direct heat of the air fryer mimics a searing hot skillet, giving you that caramelized outside while the inside stays buttery and pink. Basting the steaks with butter, garlic, and fresh herbs in the last minutes infuses the meat with a rich, savory flavor that tastes far more complicated than it is.

It’s a reliable way to get a restaurant-style steak without standing over a stovetop, and the method is repeatable enough that you can nail it the very first time.

Ingredients

• 2 filet mignon steaks (6 to 8 oz each, about 1½ inches thick): look for steaks of even thickness so they cook at the same rate
• 1 tbsp olive oil: helps the seasoning stick and encourages browning
• ½ tsp kosher salt: brings out the beef’s natural flavor
• ½ tsp freshly ground black pepper: adds a subtle warmth
• 2 tbsp unsalted butter, cut into 2 cubes: for that final buttery baste
• 2 cloves garlic, smashed: use fresh cloves; they mellow and scent the butter without burning
• 2 sprigs fresh rosemary or thyme: either herb works beautifully with the richness of the meat

Variations / Substitutions

• Swap butter for ghee: ghee has a higher smoke point, so you get the same rich baste with less risk of burning if your air fryer runs hot.
• Add a pinch of smoked paprika: rubbed on with the salt and pepper, it gives the crust a subtle, smoky depth.
• Use thyme instead of rosemary: thyme’s earthier note pairs just as well and holds up to the short cook time.
• Skip the fresh garlic: if you’re out of fresh garlic, a light sprinkle of garlic powder over the butter works in a pinch, but the fresh cloves add a sweeter, more rounded flavor.

If you love beef this way, our Air Fryer Ribeye Steak is another quick weeknight favorite.

How to Make Air Fryer Filet Mignon

Step 1: Season the Steaks

Preheat your air fryer to 400°F while you pat the 2 steaks completely dry with paper towels. Rub them all over with the 1 tbsp olive oil, then season generously with the ½ tsp kosher salt and ½ tsp black pepper. Let them sit at room temperature for about 15 minutes to take the chill off, which helps them cook evenly.

Step 2: Sear the Steaks in the Air Fryer

Place the seasoned steaks in the air fryer basket, leaving a little breathing room between them so the hot air can circulate. Cook for 8 minutes, flipping the steaks after 4 minutes. At this point, the surface will look deeply browned, and if you slide an instant-read thermometer into the thickest part, it should register 120°F for rare or 125°F for a rosy medium-rare.

Step 3: Butter-Baste the Steaks

Open the basket and top each steak with a cube of butter, a smashed garlic clove, and a rosemary sprig. Close the basket and cook for 2 minutes more. You will smell the garlic and herbs as the butter melts over the meat and pools slightly in the basket.

Step 4: Slice and Serve

Move the steaks to a cutting board and let them rest for a full 5 minutes so the juices can settle. Slice against the grain into thick medallions, then spoon any garlicky butter from the basket over the top. The meat should be glossy and evenly pink inside, with a deep, caramelized crust.

Tips for the Best Air Fryer Filet Mignon

• Bring the steaks to room temperature for 15 to 20 minutes before cooking so the center doesn’t stay cold while the outside overcooks.
• Pat the steaks very dry before oiling because any surface moisture will steam rather than sear.
• Use a meat thermometer instead of relying on time alone. Air fryer models vary, and a thermometer guarantees you hit the exact doneness you want.
• If your basket is small, cook only two steaks at a time. Overlapping or crowding will trap steam and prevent a good crust.
• Spoon the infused butter from the basket over the sliced steak for a simple, rich finish that tastes like pan sauce.

Air fryer times for 1½-inch thick filet mignon at 400°F (including butter basting):

Storing Leftover Filet Mignon

• Refrigerate: Wrap leftover steak tightly in foil or an airtight container and refrigerate for up to 3 days.
• Reheating: Place the steak in the air fryer at 350°F for 2 to 3 minutes, just until warmed through. This gentle heat keeps it from overcooking into grayness.

What to Serve With Air Fryer Filet Mignon

Creamy mashed potatoes or buttery egg noodles soak up the garlicky drippings from the basket beautifully. For something green, roasted asparagus with a squeeze of lemon or a simple arugula salad with a sharp vinaigrette cuts through the richness without competing.

Frequently Asked Questions

Can I cook frozen filet mignon in the air fryer?

No, the steak needs to be fully thawed first so it cooks evenly and develops a proper sear. Starting from frozen leaves the center cold while the outside dries out.

Why did my steak turn out tough?

It was likely overcooked. Use a meat thermometer and pull the steak 5°F below your target temperature before the rest; carryover cooking will bring it up to the desired doneness without crossing into tough territory.

How do I get a better crust?

Pat the steaks completely dry, give them space in the basket, and make sure the air fryer is fully preheated before you add the meat. A dry surface and good airflow are what create that deep brown exterior.

Air Fryer Filet Mignon Recipe

Print Recipe Pin Recipe

Prep Time 5 minutes mins

Cook Time 10 minutes mins

Total Time 15 minutes mins

Servings: 2 servings

Calories: 560

Ingredients Method Notes

Ingredients

  

• 2 filet mignon steaks (6 to 8 oz each, about 1½ inches thick)
• 1 tbsp olive oil
• ½ tsp kosher salt
• ½ tsp black pepper
• 2 tbsp unsalted butter, cut into 2 cubes
• 2 cloves garlic, smashed
• 2 sprigs fresh rosemary or thyme

Method

 

1. Preheat air fryer to 400°F. Pat steaks dry, rub with olive oil, and season with salt and pepper. Let sit at room temperature for 15 minutes.
2. Place steaks in the air fryer basket with space between them. Cook for 8 minutes, flipping after 4 minutes, until an instant-read thermometer reaches 120°F for rare or 125°F for medium-rare.
3. Top each steak with a butter cube, a garlic clove, and a rosemary sprig. Cook for 2 minutes more until butter melts and garlic is fragrant.
4. Transfer steaks to a cutting board and rest 5 minutes. Slice against the grain and serve with the buttery drippings spooned over the top.

Notes

If your steaks are thicker than 1½ inches, add 1 to 2 minutes to the initial 8-minute cook time before checking the temperature. A meat thermometer is the most accurate way to guarantee doneness.