
Cooking pork loin in an air fryer is a great way to get a juicy roast with a crispy, golden crust. It's a simple process that involves trimming away any excess fat, rubbing the meat with salt and spices, and cooking it at a high temperature to create a nice crust. The cooking time will depend on the size of the roast, but generally, it will take around 12-14 minutes per pound, or 35-45 minutes in total. The key is to get an internal temperature of 145°F when measured with a meat thermometer.
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What You'll Learn

Preheat the air fryer to 370°F
Preheating your air fryer is an important step in the cooking process. It ensures that your pork loin cooks evenly and efficiently, and helps to create that desirable golden crust. By preheating your air fryer to 370°F, you are creating the ideal environment for your pork loin to cook through without drying out.
To preheat your air fryer to 370°F, start by checking that the appliance is plugged in and turned on. Different air fryer models may have different preheating functions, so consult your user manual if you are unsure. Some air fryers may have a specific "preheat" setting, while others may require you to manually set the temperature to 370°F and wait for the appliance to heat up.
Once you've set the temperature, give the air fryer a few minutes to reach the desired temperature. The time it takes to preheat will depend on the model and its wattage. Newer, more powerful air fryers may preheat in just a few minutes, while older models may take slightly longer. You can use this time to prepare your pork loin and any side dishes.
While the air fryer is preheating, you can trim away any excess fat from the pork loin. This step is important as it helps the meat cook evenly and promotes that crispy exterior. You can also use this time to prepare a dry rub or seasoning mix, which you can apply to the pork loin before cooking. A simple mixture of salt and spices will do the trick, or you can get creative with ingredients like brown sugar, smoked paprika, onion powder, garlic powder, and ground mustard.
Once the air fryer has preheated to 370°F, you'll be ready to place your seasoned pork loin into the air fryer basket and start cooking. Depending on the size of your pork loin, it should take around 12-14 minutes per pound to cook through, but always refer to a reliable recipe and use a meat thermometer to ensure your pork reaches the safe internal temperature of 145°F.
Remember, preheating your air fryer to 370°F is a crucial step in achieving that perfect, juicy pork loin with a crispy exterior. By taking the time to preheat your appliance, you're setting your dish up for success!
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Trim excess fat, rub with salt and spices, spritz with oil
To cook a 4 oz pork loin in an air fryer, you'll want to preheat your air fryer to 370°F. While it's heating up, trim any excess fat from the outside of the pork loin. This is an optional step, but it will help ensure that your pork loin cooks evenly and achieves that desired crispy, golden crust.
Next, you'll want to rub the pork loin with a mixture of salt and spices. You can purchase a pre-made poultry seasoning, or make your own by whisking together Italian seasoning, garlic powder, onion powder, salt, and pepper. Get creative with your spices and tailor them to your taste! A simple dry rub will help ensure your pork loin is seasoned to perfection.
Finally, spritz the pork loin with a small amount of oil. You can use an oil mister, or simply rub the roast with olive oil, vegetable oil, or grapeseed oil. This step will help the outside of the roast crisp and brown, resulting in a juicy and flavorful pork loin.
Now, you're ready to place the pork loin in the air fryer basket and cook according to your air fryer's instructions. For a 4 oz pork loin, you'll likely need to cook for around 12-14 minutes, but be sure to check the internal temperature with an instant-read thermometer. You'll know your pork loin is done when it reaches an internal temperature of at least 145°F.
Let the pork loin rest for 5 minutes before slicing and serving. Enjoy your juicy and delicious air-fried pork loin!
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Cook for 12-14 minutes per pound
Cooking pork loin in an air fryer is a great way to get a juicy roast with a golden, crispy crust. The high heat of the air fryer means that the pork loin can be cooked in less time, reducing the chance of it drying out.
To cook a 4 oz pork loin in an air fryer, you should cook it for 12-14 minutes per pound, which is around 35-40 minutes in total. It is recommended that you preheat your air fryer to 370°F and rub the pork loin with salt and spices, and a spritz of oil spray, before cooking. You should also trim away any excess fat from the outside of the pork loin.
When cooking, it is important to ensure that the pork loin is cooked evenly. To do this, flip the pork loin once during the cooking process. You can check the temperature of the pork loin by using an instant-read thermometer. The internal temperature should be 145°F for medium doneness, and 160°F for well-done.
Once the pork loin has finished cooking, remove it from the air fryer and let it rest for 5 minutes before slicing and serving. This allows the juices to be reabsorbed, keeping the meat moist and tender.
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Rest for 3-5 minutes before slicing
Allowing your pork loin to rest for 3-5 minutes before slicing is a crucial step in the cooking process. This resting period helps to retain the juices inside the meat, ensuring that your pork loin stays moist and tender.
Pork loin is a notoriously lean cut of meat, which means it can dry out if overcooked. By giving it a brief rest, you allow the juices to redistribute throughout the meat, resulting in a juicier and more flavourful final product.
The resting period also provides an opportunity for the meat's internal temperature to equalize. During cooking, the heat from the air fryer is distributed unevenly, with the exterior of the meat reaching a higher temperature than the interior. By letting the pork loin rest, the heat from the outer layers transfers to the centre, ensuring that your pork loin is cooked evenly throughout.
Additionally, the resting period gives you, the cook, a moment to gather your tools and prepare for slicing and serving. It is important to transfer the pork loin to a cutting board or serving platter during this time, as leaving it in the air fryer or on a hot pan can lead to continued cooking, potentially drying out the meat.
While 3-5 minutes is the recommended resting time for a pork loin cooked in an air fryer, some recipes suggest resting for up to 10 minutes to ensure the juices are retained. However, resting for too long can also have drawbacks. If the pork loin cools down too much, it may not be as enjoyable when served, so it is important to find a balance.
In conclusion, allowing your pork loin to rest for a brief period before slicing is a critical step that helps to retain moisture, equalize temperature, and ensure a delicious and tender final product.
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Reheat in a preheated air fryer at 370°F for 3 minutes
Reheating pork loin in an air fryer is a simple and quick process. To ensure the best results, it is recommended to preheat the air fryer to 370°F before placing the pork loin inside. Reheating at this temperature for approximately 3 minutes will ensure the pork is warmed thoroughly without drying it out.
The key to retaining moisture in the pork loin is to ensure that it is not overcooked. The benefit of using an air fryer is that it allows the meat to be exposed to high heat for a shorter period, preventing it from drying out. This method of reheating is ideal for pork loin as it is a lean cut of meat that can dry out if cooked for too long.
When reheating, it is important to ensure that the pork loin slices are not overcrowded in the air fryer basket, allowing for even heating. Additionally, it is recommended to use an instant-read thermometer to check the internal temperature of the meat. The pork loin should reach a minimum internal temperature of 145°F to be safe for consumption.
For best results, it is advisable to trim away any excess fat from the pork loin before reheating. This will help ensure that the meat stays moist and juicy. It is also worth noting that cooked pork may have a slight pink color, which is normal as long as the internal temperature reaches 145°F. If you prefer your pork with no pink, you can cook it to an internal temperature of about 155°F.
By following these simple steps, you can enjoy delicious and juicy leftover pork loin with a crispy exterior, heated to perfection in your air fryer.
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Frequently asked questions
Preheat your air fryer to 370°F.
Cook for 3-6 minutes, depending on whether the pork is frozen or leftover.
The internal temperature of the pork loin should reach 145°F.
Let the pork loin rest for at least 5 minutes before slicing or serving.
Leftover pork loin will keep in an airtight container in the refrigerator for 3 to 4 days.











































