Preheat your air fryer to 400°F for about 5 minutes. Pat your pork loin dry with paper towels—dry meat is key to a good crust.
Mix the Herb Rub
In a small bowl, mix together olive oil, Dijon mustard, salt, pepper, garlic powder, onion powder, rosemary, thyme, smoked paprika, and lemon zest. This combo creates a fragrant, zesty crust that locks in moisture and boosts flavor.
Coat the Pork Loin
Rub the herb mixture all over the pork loin, making sure every inch is coated. Use your hands or a brush for even application.
Air Fry the Pork
Place the pork loin in the air fryer basket. Air fry pork loin at 400°F for about 18-20 minutes, flipping halfway through. The pork is done when a thermometer inserted in the center reads 145°F. This pork loin air fryer time ensures it stays juicy yet safe to eat.
Pro tip: If your air fryer is compact, cut the loin into two pieces to ensure even cooking.
Rest and Serve
Let the pork rest for 5-7 minutes before slicing. This helps the juices redistribute. Serve with lemon wedges or a light glaze for a gourmet touch.