Prep Time: 2 Min
Cook Time: 12 Min
Season steak with salt and pepper, brush with oil on both sides.
Preheat the air fryer to 400 F (200 C) for 5 minutes.
Add steak and cook for 6 minutes per size, turning once.
Reference: 125°F for rare, 130 to 135°F for medium-rare, and 140°F for medium.
Brush with butter or add herb butter on top.
Take out of the Air fryer and let the steak rest for 10 minutes. Serve with side dishes of your choice.