A rare filet mignon is done when it reaches 125 degrees Fahrenheit internally. From there, add 10 degrees for each ring of doneness (medium-rare is 135 degrees Fahrenheit, for example).

If you've got some filet mignon and an air fryer, it couldn't be easier to cook this prized beef cut to perfection. Here's how to do it, according to an expert.

Rare meat is 120-125 degrees, medium is 140-150 degrees, and well done is not allowed. Before serving the steaks, remember to let them rest for a 5-10 minutes loosely covered with aluminum foil.

Shaun Lewis, a classically-trained chef and cocktail master, shares his best practices for cooking a perfect filet mignon at home.

Season the filet mignons with salt and pepper to taste. Place the steaks in the pan and sauté them for 4 minutes on one side and then for 3 minutes on the other side, for medium rare.

Unlike other cuts of beef, filet mignon can be served rare, as it is already very tender and doesn't require much cooking time. This makes it a popular choice for those who prefer a rare or medium ...