Pork tenderloin is a nice lean cut of pork. Because of that, you don’t want to overcook it. Over the years I’ve found some good ways to cook pork tenderloin so that it’s brown on the outside while still being juicy on the inside. This air fryer pork tenderloin recipe definitely gives great results with only a 20 minute cook time. Scroll down to read more about how it all comes together or click here to jump straight down to the recipe.
Before diving into the cooking process, let’s clarify the cut of meat. Pork tenderloin is a long, slender piece, typically weighing 1 to pounds, and it’s not the same as pork loin, which is thicker and requires longer cooking. Using an air fryer for pork tenderloin is a game-changer because the high, circulating heat creates a crispy, golden crust while keeping the interior tender and juicy. This method is faster than oven roasting and minimizes cleanup, making it perfect for weeknight dinners.
Preparation Essentials
Start with a high-quality pork tenderloin—look for one that’s firm, pink, and uniform in thickness for even cooking. Trim any silver skin, a thin, tough membrane that can make the meat chewy if left on. Use a sharp knife to slide under the silver skin and gently pull it off. Pat the tenderloin dry with paper towels to ensure a good sear and help seasonings stick. For added flavor, consider a quick brine—mix ¼ cup salt with 4 cups water and soak the tenderloin for a few hours. This step, while optional, enhances juiciness, especially for lean cuts like tenderloin.
Seasoning for Maximum Flavor
A well-balanced spice rub is key to elevating pork tenderloin. Combine olive oil with a mix of brown sugar, garlic powder, smoked paprika, onion powder, dried thyme, salt, and a pinch of cayenne for a touch of heat. The brown sugar caramelizes during cooking, creating a flavorful crust, while the spices add depth. Rub the tenderloin generously with oil, then coat it thoroughly with the spice mix, pressing it in to adhere. If time allows, let the seasoned tenderloin sit in the fridge for up to 24 hours to deepen the flavors, though this isn’t mandatory. For inspiration on spice blends, check out The Pioneer Woman’s recipe, which uses a similar approach for a flavorful crust.
Air Fryer Cooking Process
Preheat your air fryer to 400°F for at least 5 minutes to ensure even cooking and a crispy exterior. If your tenderloin is too long for the basket, cut it in half to fit comfortably, leaving space for air circulation. Place the tenderloin in the basket, ensuring it’s not overcrowded to avoid steaming. Cook at 400°F for 10 minutes, then flip the tenderloin to promote even browning. Continue cooking for another 8-12 minutes, checking the internal temperature with an instant-read thermometer. The USDA recommends 145°F for safe, slightly pink pork, though some prefer 140°F for juicier results, as the temperature rises during resting. If cooking from frozen, add about 5-7 minutes, but thaw completely for best results.
Resting and Serving
Once cooked, transfer the tenderloin to a cutting board and let it rest for 5-10 minutes. This step is non-negotiable—it allows the juices to redistribute, ensuring every slice is moist. Tent loosely with foil to keep it warm. Slice into ¾-inch medallions and drizzle with any collected juices or a simple gravy made from chicken broth and leftover spices. Pair with sides like air fryer baked potatoes, sautéed green beans, or a kale Caesar salad for a balanced meal. For a low-carb option, try this keto-friendly recipe that skips starchy sides.
Tips for Success and Troubleshooting
Every air fryer cooks differently, so start checking the temperature around 18 minutes to avoid overcooking. If your tenderloin is thicker or larger (closer to pounds), it may need a couple of extra minutes. For smaller air fryers, cook in batches if necessary to ensure proper air circulation. Avoid skipping the preheat, as it’s crucial for that crispy crust. If the pork turns out dry, it’s likely overcooked—invest in a reliable meat thermometer to nail the timing. Leftovers can be stored in an airtight container in the fridge for 3-4 days or frozen for up to 3 months. Reheat gently in the air fryer at 350°F for 3-4 minutes to maintain texture.
Customizations and Variations
The beauty of pork tenderloin is its versatility. Swap the spice rub for a marinade of olive oil, Dijon mustard, and balsamic vinegar for a tangy twist, as suggested by Spend With Pennies. For a smoky kick, add chili powder or increase the paprika. You can also experiment with gl ਸ(herbs like rosemary or sage for an earthy flavor. If you’re cooking two tenderloins (like those in a Costco pack), ensure they’re not crammed together to maintain even cooking—no extra time is needed if there’s enough space.
Addressing Common Questions
Many recipes vary slightly in cooking times and temperatures, which can be confusing. The 400°F setting with a 20-22 minute cook time works for most 1- tenderloins, but always rely on a thermometer. Some recipes suggest lower temperatures (350-380°F) or longer times for larger cuts, but 400°F balances speed and crust development. Cutting the tenderloin into medallions, as some recipes propose, reduces cooking time but may dry out smaller pieces—stick to whole or halved tenderloins for juicier results. These variations reflect differences in air fryer models and personal doneness preferences, so adjust based on your equipment and taste.
This Air Fryer Pork Tenderloin is my new favorite way to cook pork! This 20 minute recipe results in pork that is tender and juicy with a perfectly crispy golden-brown crust.
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