Preheat your air fryer to 400°F (200°C) for a few minutes while you prepare the lamb cutlets.
In a small bowl, mix together the olive oil, dried rosemary, dried thyme, garlic powder, salt, and black pepper.
Brush the seasoned olive oil mixture over both sides of each lamb cutlet, ensuring they are evenly coated.
Place the lamb cutlets in a single layer in the air fryer basket, making sure they are not overcrowded. You may need to cook them in batches if your air fryer is small.
Cook the lamb cutlets in the preheated air fryer at 400°F (200°C) for 4-6 minutes per side for medium-rare to medium doneness, or adjust the time for your desired level of doneness.
Use a meat thermometer to check the internal temperature. Aim for 130°F (54°C) for medium-rare, 140°F (60°C) for medium, or 150°F (66°C) for medium-well.
Remove the lamb cutlets from the air fryer and let them rest for a few minutes. This allows the juices to redistribute and keeps the meat tender.
Serve your air fryer lamb cutlets with your favorite side dishes, such as roasted vegetables, couscous, or a fresh salad.