Best Pan-Seared Filet Mignon with Garlic Herb Butter

0 Preheat the oven to 400°F.
1 Add the ghee to a large cast iron skillet, or other heavy-bottomed, oven-safe pan, over medium-high heat.
2 Season the steaks with salt and pepper or your favorite seasoning blend, then when the skillet is hot, add the steaks and sear for 3-4 minutes, until browned, then flip.
3 Transfer the steaks to the oven and cook for 5-6 minutes for medium-rare (135°F) doneness or 8-10 minutes for medium (140°F) doneness. 
4 Once the steak has reached your desired temperature, remove the steaks from the pan and let rest for 5-10 minutes, then serve with the garlic herb butter!