Preheat Grill: Prepare grill for direct grilling, using lump charcoal targeting 500 degrees Fahrenheit directly under the flat iron.
Season Steak: Apply olive oil to steak, then generously season the steak with the beef rub.
Grill Steak: Place the steak on the grill over direct heat. You should hear it sizzle as soon as it hits the grate. Grill over direct heat for 3 - 4 minutes or until you see char marks. Flip the steak over and grill the other side for additional 3 - 4 minutes or until char marks form.
Remove and Rest: Remove from the grill when the internal temperature of the steak reaches 125 degrees F for rare using an instant read thermometer.Let the steak rest for 10 minutes to allow for carry over cooking, and then slice in pencil thin slices. Serve alone or with our Jalapeño Parsley Chimichurri Sauce.
Notes
A note about times: Every grill will run a different temperature. If you like your steak cooked to a higher temperature, then flip every 3 minutes to keep it cooking evenly on both sides until it reaches your desired internal temperature.