01 - Remove steaks from refrigerator 30 minutes before cooking. Pat completely dry with paper towels to ensure proper searing.
02 - Coat both sides of each steak generously with kosher salt and freshly ground black pepper, pressing seasoning into the meat.
03 - Heat cast iron skillet over high heat for 3–5 minutes until extremely hot and beginning to smoke slightly.
04 - Add olive oil to skillet, swirling to coat bottom. Place steaks in pan and sear undisturbed for 2–3 minutes until deep brown crust forms.
05 - Flip steaks and add butter, crushed garlic, thyme, and rosemary to pan. Tilt skillet and continuously baste steaks with foaming garlic butter for 2–3 minutes until medium-rare (125°F).
06 - Transfer steaks to plate and tent loosely with foil. Let rest for 5 minutes to allow juices to redistribute throughout the meat.
07 - Slice steaks against the grain. Serve immediately, spooning remaining garlic butter from pan over the top. Finish with flaky sea salt if desired.