You will know that your steak is done when a meat thermometer is inserted into the steaks and reads 145°F. For the best results  pull the steaks off the heat at 140°F, allowing the meat to rest and finish cooking for about 5 minutes. This method produces the juiciest and most flavorful steak that will melt in your mouth. You will also want to make sure that when you cut into the steaks that the juices run clear and that the meat is no longer pink.