A good way to tell when the steak is done is to use a meat thermometer. Three main temperatures are: Medium: 140-145 degrees Fahrenheit, Medium-rare: 130-135 degrees Fahrenheit, and Rare: 120-125 ...

Top sirloin steak is cut from the top of the sirloin ... Sear the steak in a cast-iron pan until it reaches medium temperature. Make sure to slice round steak against the grain.