First, make sure the steaks are room temperature and pat-dry them on both sides with a paper towel. Proceed to season the ribeye steak with salt and pepper.
Then, Place your cast iron on the stove, (or your heaviest pan for best results) over medium-high heat. Add the oil and make sure the pan is really hot (about 3-5 minutes). The hotter the pan the nicer the crust on the steak.
Now that the cast iron is really hot, place the steaks on the cast iron or heavy pan. Cook each side of the steaks for about 4 to 5 minutes. If you are cooking two steaks make sure they have some distance in between them. You are going to start noticing a beautiful brown marbelized crust.
Next, add unsalted butter, garlic, thyme, and rosemary. Using a spoon, baste the steak with the butter and continue cooking for an extra 5 minutes or until you reach your preferred doneness. I cooked it at an internal temperature of 130 degrees for medium-rare doneness.
Place the steaks on a cutting board and let the steak rest for a few minutes before cutting into the meat.