How Long To Cook Filet Mignon On Grill

ByLily

Grilled filet mignon demands careful timing since this lean cut can dry out quickly over high heat. If you want to know exactly how long to cook filet mignon on grill, the short answer is 8 to 12 minutes total for a 1.5-inch thick steak, depending on your desired doneness. But timing is just one piece of the puzzle.

Filet mignon is tender and mild, but it lacks the fat marbling that protects other cuts from drying out. That means you need a hot fire, a close eye, and a reliable thermometer. This guide breaks down the timing, temperatures, and techniques so your steak comes out perfect every time.

How Long To Cook Filet Mignon On Grill

The total grill time depends on thickness and target doneness. Here is a quick reference for a 1.5-inch thick filet over high heat (450°F to 500°F).

  • Rare (120°F to 125°F): 4 to 5 minutes per side
  • Medium Rare (130°F to 135°F): 5 to 6 minutes per side
  • Medium (140°F to 145°F): 6 to 7 minutes per side
  • Medium Well (150°F to 155°F): 7 to 8 minutes per side
  • Well Done (160°F+): 8 to 9 minutes per side

These times assume you are using direct heat and flipping once. If your steak is thinner or thicker, adjust accordingly. A 1-inch filet will cook faster, while a 2-inch filet needs more time and possibly a two-zone setup.

Why Filet Mignon Cooks Faster Than Other Steaks

Filet mignon comes from the tenderloin, a muscle that does very little work. It is naturally lean with almost no intramuscular fat. That lack of fat means heat penetrates quickly and moisture escapes fast. So you cant treat it like a ribeye or a strip steak. High heat for a short time is the way to go.

Factors That Change Grilling Time

Several things affect how long your filet takes. Keep these in mind before you light the grill.

  • Thickness: A 1-inch steak cooks in half the time of a 2-inch steak.
  • Starting temperature: Room temperature steaks cook faster and more evenly than cold ones.
  • Grill temperature: A hotter grill sears faster but can burn the outside before the inside is ready.
  • Lid position: Closing the lid traps heat and speeds up cooking.
  • Resting time: Carryover cooking raises the internal temp by 5 to 10 degrees after you pull it off.

Step-By-Step Guide To Grilling Filet Mignon

Follow these steps for a consistent result. This method works on gas or charcoal.

  1. Take the steaks out of the fridge 30 to 40 minutes before grilling. Pat them dry with paper towels.
  2. Season both sides generously with salt and black pepper. You can add a little garlic powder or rosemary if you like.
  3. Preheat your grill to high heat, around 450°F to 500°F. Clean the grates and oil them lightly.
  4. Place the filets on the grill. Do not move them for the first 4 to 5 minutes.
  5. Flip once and continue cooking for another 4 to 6 minutes, depending on doneness.
  6. Use an instant-read thermometer to check the internal temperature. Pull the steak 5 degrees before your target temp.
  7. Transfer to a cutting board or plate. Tent loosely with foil and rest for 5 to 10 minutes.

Resting is not optional. It allows the juices to redistribute so they dont run out when you cut. If you skip this step, you will lose moisture and flavor.

How To Get A Good Sear Without Overcooking

A great crust on a filet is tricky because the steak is so lean. Here are a few tricks.

  • Make sure the grill is very hot before the steak goes on.
  • Dry the surface of the meat thoroughly. Moisture steams instead of sears.
  • Use a light coat of oil on the steak, not the grill, for better contact.
  • Consider a two-zone fire: sear over direct heat, then finish over indirect heat if needed.

Should You Use A Grill Basket Or Skewers?

No. Filet mignon is a whole steak, not a kebab. A grill basket can work for fish or vegetables, but it prevents good grate contact. You want direct contact for a proper sear. Use tongs to flip, not a fork. Piercing the meat releases juices.

Common Mistakes To Avoid

Even experienced cooks make these errors. Watch out for them.

  • Grilling cold steaks straight from the fridge. They cook unevenly.
  • Using too low a heat. The steak will dry out before it browns.
  • Flipping constantly. One flip is usually enough.
  • Cutting into the steak to check doneness. Use a thermometer instead.
  • Forgetting to rest. This is the most common mistake.

Final Tips For Perfect Filet Mignon

Timing is a guide, not a rule. Your grill, the weather, and the steak itself all play a role. Always rely on an instant-read thermometer for the best results. For medium rare, pull the steak at 125°F to 130°F. For medium, pull at 135°F to 140°F.

Let the steak rest, then slice against the grain if you are serving pieces. A simple pat of butter on top after resting adds richness without overwhelming the mild flavor of the filet. With a little practice, you will know exactly how long to cook filet mignon on grill for your taste.

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