How long to roast filet mignon
Some general guidelines for roasting times are: at 425 degrees F, a 2- to 3-lb. whole filet mignon will be done in 35 to 40 minutes and a 4- to 6-lb. cut will take 45 to 60 minutes. Use temperature as your precise guide for doneness and remove the roast from the oven when it is 5 degrees below the final temperature.eason your whole filet mignon with a dry rub. Make a dry rub by combining a blend of herbs and spices that suit your taste or the flavor of the dish. Use a bit of salt and pepper for the simplest version of a dry rub.