Pat the steak dry with paper towels
Season both sides generously with salt and pepper
Let the steak sit at room temperature for 20 to 30 minutes
Heat a cast iron skillet over high heat until very hot
Add a small amount of high-smoke-point oil
Place the steak in the skillet
Do not move the steak for 2 to 4 minutes
Flip the steak
Cook the other side for 2 to 4 minutes
Sear the edges with tongs if needed
Add butter, garlic, and herbs if desired
Spoon the melted butter over the steak while cooking
Check internal temperature with a meat thermometer
Remove the steak when it reaches your desired doneness
Let the steak rest for 5 to 10 minutes
Slice against the grain and serve