how long do you cook a filet mignon
1 Preheat the broiler. 2  Place the beef filet mignon on the unheated rack of the broiler pan.  Using the following timings, broil the meat, turning once halfway through the broiling time: For a 1-inch filet cut, broil 12 to 14 minutes for medium rare (145 degrees F) or 15 to 18 minutes for medium (160 degrees F).