The trick to a Ninja Crispi pork tenderloin that is anything but bland is a bold spice rub under a layer of chopped bacon, so the lean pork gets both a smoky, slightly sweet crust and a self-basting cap of bacon fat. The Crispi air fries the whole thing in under 20 minutes.
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That deep red, caramelized color comes from the rub: smoked paprika, garlic, a little brown sugar, and chili. And the only number that really matters is 145°F, because pork tenderloin is lean and turns chalky the second it overcooks. This step-by-step Ninja Crispi pork tenderloin recipe shows you how to nail both the crust and the juicy center.
No marinade is required, the rub does all the work, but you can marinate ahead if you want even deeper flavor. If you cook pork in your Crispi, my Ninja Crispi pork chops are another quick one, and the Ninja Crispi bacon method is handy for getting the topping just right.
Quick answer: Rub a pork tenderloin with oil, smoked paprika, garlic, onion powder, brown sugar, chili powder, salt, and pepper, then scatter chopped bacon over the top. Air Fry in the Ninja Crispi for 17 to 20 minutes, until it reaches 145°F. Rest 5 minutes, then slice against the grain.
My take on this recipe
Pork tenderloin is lean and a little boring on its own, so I treat it like a blank canvas for a bold rub. Smoked paprika and a touch of brown sugar give it that color and a caramelized edge, and the chopped bacon on top melts down and bastes the meat so it never dries out. The only thing I am strict about is pulling it at 145°F and letting it rest, because tenderloin does not forgive overcooking.
Why you will love this recipe
It is a full dinner with almost no effort. You rub the tenderloin, top it with bacon, and the Crispi does the rest in under 20 minutes while you throw together a side.
It also looks and tastes like you worked at it. The rub caramelizes into a smoky crust, the bacon crisps on top, and you slice into a juicy, tender roast. It feeds the whole family and leaves just the glass container to wash.
The spice rub
The rub is what gives this tenderloin its flavor and its gorgeous color. I use smoked paprika for that deep red, garlic and onion powder for savory depth, a little brown sugar to caramelize and char, and chili powder for a gentle warmth, plus salt and pepper.
Rub it all over the tenderloin with a little oil so it sticks, and you can cook it right away. For even bolder flavor, stir the same spices with a splash of oil into a marinade and let the pork sit for 30 minutes or up to overnight.
Ingredients you will need
A tenderloin, a handful of pantry spices, and bacon.
- Pork tenderloin, lean and quick-cooking.
- Smoked paprika, for color and smoky flavor.
- Garlic and onion powder, for a savory base.
- Brown sugar, for a caramelized, slightly sweet crust.
- Chili powder, salt, and pepper, to round out the rub.
- Bacon, chopped, to scatter over the top.
Exact amounts are in the recipe card at the bottom of the post.
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What to serve with it
A juicy pork tenderloin pairs with almost any simple side.
- Roasted or mashed potatoes
- A crisp green salad or coleslaw
- Roasted vegetables like green beans or duck fat Brussels sprouts
- Rice or a grain bowl
- Applesauce for a classic sweet-savory touch
- Warm dinner rolls
Tips for a juicy pork tenderloin
Use a thermometer. Pull the tenderloin at 145°F so it stays juicy. Lean pork overcooks fast, so this is the key step.
Let it rest. Rest the pork for 5 minutes before slicing so the juices settle back in.
Chop the bacon small. Smaller pieces crisp faster and spread the flavor and fat over the whole roast.
Slice against the grain. Cut across the muscle fibers for the most tender bites. New to your Crispi? See my complete Ninja Crispi guide.
Frequently asked questions
About 17 to 20 minutes on Air Fry, depending on thickness. Always cook until it reaches an internal temperature of 145°F.
Pork is safely done at 145°F, followed by a 3 to 5 minute rest. A quick-read thermometer is the surest way to check.
No. The dry rub gives plenty of flavor and color on its own, so you can cook it right away. Marinating is an optional step for deeper flavor.
It is not required, since the Crispi circulates heat all around, but you can rotate it once for even browning if you like.
No. Tenderloin is a small, thin, quick-cooking cut, while pork loin is larger and wider and needs more time. This recipe is written for the tenderloin.
It was likely overcooked. Pull it right at 145°F and rest it, and let the bacon on top baste it as it cooks.
Storing and reheating
Store leftover pork tenderloin in an airtight container in the fridge for up to 4 days.
Freeze cooked, cooled slices for up to 3 months. Thaw overnight in the fridge before reheating.
Reheat gently on the Recrisp or Air Fry setting for a few minutes, just until warm, so it does not dry out.
More Ninja Crispi recipes
- Ninja Crispi Steak, a full steakhouse dinner in one container.
- Ninja Crispi Whole Chicken, juicy roast chicken with crispy skin.
- Ninja Crispi Chicken Thighs, crispy, juicy chicken for any night.
- Ninja Crispi Salmon, an easy one-container dinner.
- Ninja Crispi Mahi Mahi, flaky fish and veggies in one go.
Hope you will love this Ninja Crispi pork tenderloin as much as my family does. Rate the recipe if you made it, and leave a comment below to let me know how it turned out!
Recipe
Ninja Crispi Pork Tenderloin (So Juicy!)
Ingredients
- 1 pork tenderloin about 1 to 1.5 lbs
- 1 tablespoon olive oil
- 2 teaspoons smoked paprika
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1 teaspoon brown sugar
- ½ teaspoon chili powder
- 1 teaspoon salt
- ½ teaspoon black pepper
- 3 slices bacon chopped
Instructions
- Pat the pork tenderloin dry and rub it all over with the 1 tablespoon olive oil.
- Mix the 2 teaspoons smoked paprika, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1 teaspoon brown sugar, ½ teaspoon chili powder, 1 teaspoon salt, and ½ teaspoon black pepper, and rub the blend all over the tenderloin.
- Place the tenderloin in the Ninja Crispi and scatter the chopped bacon evenly over the top.
- Set to Air Fry and cook for 17 to 20 minutes, until the pork reaches an internal temperature of 145°F and the bacon is crisp.
- Rest the tenderloin for 5 minutes, then slice against the grain and serve.
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