Pork loin in the air fryer stays juicy when you brine it first and cook it to exactly 145 degrees Fahrenheit. If you want to know how to make a pork loin in the air fryer without drying it out, this guide walks you through every step. You will get a tender center, a browned outside, and dinner on the table in under an hour.
The air fryer moves hot air fast, so it cooks pork loin quicker then a regular oven. That speed is great, but it also means you cant walk away for long. Follow the temps and times below and you will get repeatable results every time.
Why The Air Fryer Works So Well For Pork Loin
A pork loin is a lean cut. It has little fat marbling, so it can turn tough if you overcook it. The air fryer helps because the circulating heat cooks the surface fast and seals in moisture.
You still need two things to get juicy meat:
- A wet or dry brine to season and hold water in the meat
- A target internal temperature of 145 degrees Fahrenheit
Skip either one and you risk a dry, chewy roast. Do both and you get slices that stay moist even the next day.
How To Make A Pork Loin In The Air Fryer
This is the full method, start to finish. Read it once before you begin so you know the flow.
What You Will Need
- A boneless pork loin roast, about 2 to 3 pounds
- Kosher salt
- Black pepper
- Garlic powder
- Smoked paprika
- Olive oil or another neutral oil
- An instant-read meat thermometer
- Aluminum foil for resting
If your pork loin has a thick fat cap, you can trim it down but leave a thin layer. That fat bastes the meat as it cooks.
Step 1: Brine The Pork Loin
Brining is the single best thing you can do for lean pork. You have two easy options.
Wet Brine
- Dissolve 1/4 cup kosher salt in 4 cups cold water.
- Add the pork loin to a large bowl or zip bag.
- Pour the brine over it so it is fully covered.
- Refrigerate for 1 to 2 hours. No longer, or the meat gets salty.
- Pat the loin completely dry with paper towels.
Dry Brine
- Rub 1 teaspoon kosher salt per pound all over the loin.
- Place it on a plate and refrigerate uncovered for 1 to 24 hours.
- Pat off any extra moisture before seasoning.
The dry brine is faster to set up and gives a slightly better crust. The wet brine is more forgiving if you tend to overseason. Either one works fine.
Step 2: Season The Outside
Mix your rub in a small bowl:
- 1 teaspoon black pepper
- 1 teaspoon garlic powder
- 1 teaspoon smoked paprika
- 1/2 teaspoon kosher salt, only if you dry brined
Rub the loin with a thin coat of oil first. Then press the spice mix onto all sides. The oil helps the rub stick and helps browning.
Step 3: Preheat The Air Fryer
Set your air fryer to 375 degrees Fahrenheit. Let it run empty for 3 to 5 minutes.
Preheating matters here. A cold basket means the outside cooks slower and the inside dries out before you get color.
Step 4: Air Fry The Pork Loin
Place the loin in the basket with the fat side up if it has one. Leave space around it so air can flow.
- Cook at 375 degrees Fahrenheit for 20 minutes.
- Flip the loin over and cook another 10 to 15 minutes.
- Start checking the internal temp at the 25 minute mark.
Timing depends on the size of your roast and your air fryer model. A 2 pound loin usually takes 25 to 30 minutes total. A 3 pound loin can take 35 to 40 minutes.
Use your thermometer in the thickest part, away from fat. Pull the loin when it reads 145 degrees Fahrenheit.
Step 5: Rest Before Slicing
Move the pork loin to a cutting board. Tent it loosely with foil and let it rest for 10 minutes.
This rest lets the juices settle back into the meat. If you cut right away, the juice runs out onto the board and you lose moisture.
After resting, slice against the grain into 1/2 inch pieces. Against the grain means cutting across the lines of muscle fiber you can see on the surface.
Common Mistakes To Avoid
- Overcooking past 145 degrees Fahrenheit. Carryover heat raises the temp a few degrees while it rests.
- Skipping the brine. Lean pork needs the extra moisture.
- Crowding the basket. Air needs to move around the whole roast.
- Not drying the surface. Wet meat steams instead of browning.
- Slicing with the grain. It makes every bite chewier.
Tips For The Best Results
- Let the loin sit at room temperature for 20 minutes before cooking. It cooks more even.
- If your air fryer runs hot, drop the temp to 360 degrees Fahrenheit and add a few minutes.
- For a crispier crust, brush on a little honey and soy sauce in the last 5 minutes.
- Save the resting juices and spoon them over the slices.
- Leftovers keep in the fridge for 3 to 4 days. Reheat gently so they dont dry out.
Serving Ideas
Pork loin goes with almost anything. Try it with roasted potatoes, green beans, or a simple apple sauce on the side. The mild flavor takes well to mustard sauces, herb butter, or a squeeze of lemon.
For sandwiches the next day, slice it thin and pile it on crusty bread with a little mayo and arugula.
Final Thoughts
The key to great pork loin in the air fryer is simple. Brine it, season it, cook it at 375 degrees Fahrenheit, and stop at 145 degrees Fahrenheit. Rest it for 10 minutes, then slice against the grain.
Once you nail this method, you can change up the rub however you like. Try cumin and chili powder for a tex-mex version, or rosemary and thyme for something more classic. The cooking times stay the same, so you always have a reliable dinner plan.