01 - Remove the fillet steaks from the refrigerator 30 minutes before cooking.
02 - Pat steaks dry with paper towels. Rub evenly with olive oil and season both sides with flaky sea salt and black pepper.
03 - Heat a heavy skillet or grill pan over high heat until very hot.
04 - Place steaks in the pan and sear for 2 to 3 minutes per side for medium-rare, adjusting time to desired doneness.
05 - During the last minute, add butter, thyme or rosemary, and crushed garlic to the pan, basting steaks with melted butter for enhanced flavor.
06 - Remove steaks from pan and loosely cover with foil. Allow to rest for 5 minutes before serving.