Roast Pork Loin with Apples and Onions

Roast Pork Loin Recipe

If you’ve never roasted before, this one-pan roast pork loin is a good place to start. Pork loin is easy to find and so simple to prep. Just rub with some spices, cut up the apples and onions, and throw this baby in the oven.–Jessica Seinfeld

LC All In One Note

Roast pork. Onions. Apples. All in one pot. Easy. Sounds like the perfect supper to us. Don’t you agree?

Roast Pork Loin Recipe

  • Quick Glance
  • 20 M
  • 1 H, 20 M
  • Serves 4


  • 1 1/2 pounds boneless pork loin
  • 2 medium red onions
  • 3 red apples, such as Ida Red, Rome, or Pink Lady
  • 3 tablespoon extra-virgin olive oil, divided
  • 1 teaspoon kosher salt, divided
  • 1/2 teaspoon freshly ground black pepper, divided
  • 2 cloves garlic
  • 1 tablespoon fresh thyme
  • 2 teaspoons fennel seeds, crushed if desired


  • 1. Adjust the oven rack to the middle position and heat the oven to 400°F (204°C). Take the pork out of the refrigerator and place it on the counter.
  • 2. Meanwhile, cut off both ends of the onions, then cut the onions in half from stem to opposite end and discard the skins. Place each half cut side down on the cutting board and cut in half again. You’ve just quartered your onions.
  • 3. Cut the apples in half from stem to opposite end. Using a 1 teaspoon-size measuring spoon or melon baller, scoop out the core and the stem. Place each half, cut side down, on the cutting board and cut in half again. You’ve just cored and quarters your apples.
  • 4. Place the onions and apples on a rimmed baking sheet lined with foil. Drizzle the onions and apples with 2 tablespoons oil and sprinkle with 1/2 teaspoon salt and 1/4 teaspoon pepper (about 12 turns on a pepper mill). Toss together with your hands and spread in a single layer.
  • 5. Mince the garlic and toss it in a small bowl with the thyme, fennel seeds, the remaining 1 tablespoon oil, 1/2 teaspoon salt, and 1/4 teaspoon pepper. Place the pork, fat side up, in the middle of the baking sheet, pushing the apples and onions aside as needed. Rub the entire pork loin with the garlic mixture.
  • 6. Roast the pork until an instant-read thermometer inserted in the center of the pork loin reads 145°F, 45 to 60 minutes. (You’ll probably want to start checking the pork loin after 30 minutes, just to be safe. A slight pink hue in the center of your cooked roast is perfectly desirable.) Transfer the roast pork loin to a clean cutting board and let rest 5 minutes before slicing. Serve with the apples and onions.
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David Says
David Says

To be honest, I wasn’t expecting much. I don’t particularly like roast pork loin because I find it too tough and dry for my taste. But alas, The One had his mind set on this, so I, being the beneficent being that I am, gave him my blessing.

Annie, my assistant, was kind enough to pick up a bone-in pork loin that had a nice cap of fat on it.

“But it’s not boneless,” whined The One.

“It’ll be tender at the bone. Haven’t you read Ruth Reichl’s memoir?”

He prepared the roast per the recipe, using Pink Lady apples. The house filled with an amazing aroma from the fennel seeds—most of which we didn’t crush. I pulled the roast from the oven when it registered 143° and let it rest for five minutes before carving.

Bottom line: It was impressive. Damn impressive. A few things I’ll do differently next time:

1. I’d dispense with tying the roast. (No, this isn’t mentioned in the recipe, but ours came tied in several places. Removing the strings after roasting knocked off too much of that wonderful fennel crust that we loved.)

2. I’d yank the roast from the oven at 138°F. The temperature of the roast rose too high for us while it was resting, seeing as we don’t mind some pink in the middle. in fact, that’s our goal.

3. I’d serve this with a big-ass bowl of buttery mashed potatoes because the roast was screaming for it. (Oh, wait. Maybe that was me….)

4. I would again rely on a bone-in roast. It was so much more tender than I expected.

Roast Pork Loin with Apples

Recipe Testers Reviews

Recipe Testers Reviews
Testers Choice
Anna Scott

Sep 10, 2014

Honestly, when I first read this roast pork loin recipe, I thought it was going to be too simple and nothing very special. Boy, was I wrong! The pork was perfectly cooked—but more than that, it was exceptionally flavored. I loved the rub made of oil, salt, pepper, minced garlic, thyme, and fennel seeds. The texture was lovely, and with each bite of the crusted pork, we tasted a bit of each of those flavors. The onions and Rome apples were perfectly caramelized from the high heat and were exceptionally tender and tasty from being roasted in the pork juices. In terms of the recipe itself, it was very detailed, so it would be a great recipe for everyone from new cooks to established cooks. I cooked the pork dish for exactly 60 minutes, and it was perfectly cooked--a bit pink in the center and tender as can be. A wonderful early fall recipe!

Testers Choice
Kara Vitek

Sep 10, 2014

This roast pork loin recipe is a weeknight winner! I love a one-pan meal. This dish came together simply: just cut, toss, rub, and roast. I used pink lady apples and they were delightful. They became soft and caramelized as they mingled with the onions. Unfortunately, I could only find pork tenderloin, and I thought this would work as a substitute for the pork loin. It worked, except after 30 minutes in the oven the pork registered 128°F and at 40 minutes it was 165°F, which was well over the recommended 145°F. However, the pork remained juicy and tender, even though it was technically overcooked. I really enjoyed how the onions and apples complemented one another and the pork. I wasn't pleased with the thickness of the rub, but once the pork was roasted, I could easily scrape the rub off. I will try this again with a pork loin the next time I can find one. Yum!

Testers Choice
Carrie S.

Sep 10, 2014

What a great and easy recipe, perfect not just for fall but any time of the year. The instructions are very clear and even go into detail on how to quarter an onion. The roasting time was too long for an almost 1 3/4-pound pork loin. By the time the pork roasted for 45 minutes, it was 160°F. Next time, I'll check the roast at 30 minutes. My family enjoyed the sweet and savory mix of pork with apples. This homey recipe is so simple and delicious.

Testers Choice
Linda Pacchiano

Sep 10, 2014

This is a great way to prepare a pork roast—it's an extremely simple preparation and you'll have a complete meal on the table in under 90 minutes, with most of the time spent doing other things while the pork is in the oven. I put a couple of potatoes in the pan along with the pork to round out the meal. All of the aromatics and seasonings work perfectly together, and the final result gives the impression of a much more involved preparation. (This is always a good way to impress your guests.) The onions and apples complement the pork perfectly and impart classic fall flavors to the dish. The pork was moist and tender. To prepare the pork, the shiny silver skin, if present, should be removed. This will make the meat much more tender.) I love using a melon baller to remove the core of an apple or pear. You can also use it to take out the blossom and stem ends of the apple. I think this recipe would also work well with pork tenderloin, although the roasting time may vary. The garlic, thyme, and fennel were a perfect combination, although I could also see an opportunity to change up the spices the next time. For example, chopped fresh rosemary would be a perfect substitute for the thyme. I lined my sheet pan with parchment, but the sugar from the apples and the oil spread quite a bit, so the next time I'll line my pan with foil to make clean-up a bit easier.

Testers Choice
Larry Noak

Sep 10, 2014

I roast a pork loin AT LEAST once week. But this recipe is SO WONDERFUL and is as easy as it gets. There are no suprises in the recipe—other than the astonishing flavor. I love fennel seed, but I didn't expect it to be the single ingredient that would transform one of my favorite dinners into probably the best pork loin that I may have ever tasted. A couple of simple points. Don't worry about the skin on the apples, as they'll soften while roasting and you won't even notice them. Second, drop the quartered apples and onions in a bowl, add the salt and pepper and a couple tablespoons olive oil, toss them, and then put them on the rimmed baking sheet. Honestly, I was hoping to have leftovers for lunch the next day. But who was I kidding...

Testers Choice
Ralph Knauth

Sep 10, 2014

This recipe is clearly written for a beginner, explaining simple things, like how to quarter an onion, but it works. The timing is accurate and the result is a moist, flavorful pork roast. The combination of onion, apples, fennel seeds, and pork is a winner. I enjoyed making this roast.

Testers Choice
Kim Venglar

Sep 10, 2014

Sunday dinner takes on a whole new meaning with this recipe, which uses ingredients I always have on hand and takes almost no time to toss together. And after 50 minutes in the oven, it's done to perfection. You get a great flavor from the caramelized onion and roasted apples. Then you taste the well-seasoned pork and it's a flavor combination you just can't resist. I also like this recipe because there is just enough left over for lunch the next day.

Testers Choice
Gene C.

Sep 10, 2014

This a very easy recipe to make and results in a tasty, juicy, tender roast. I was a little skeptical about the apples and onions, but I decided to be adventurous. I'm glad I did, because the flavors of the rub combined with the apples and onions put this roast pork loin on the next level. A little forkful of caramelized onion and apple and a bite of the pork says it all. It's important to not overcook the pork, so check your times and temps. The time stated for the recipe and size is pretty accurate. A little pink is ok. Generally I buy a pork loin to cut into pork chops, but this recipe has converted me. Pork loin cooks fast. And this recipe works well as a weeknight meal because it takes only 20 minutes to prepare seeing as the oven does all the work. I decided to double this recipe because I like to bring leftovers for lunch and this recipe just screams leftovers. This recipe is definitely a keeper.

Testers Choice
Linda M.

Sep 10, 2014

I highly recommend this for an easy weeknight meal. The preparation is straightforward and the recipe has detailed instructions for preparing the vegetables. I used sweet onions, but I'm sure it would be just as good with red onions. The rub gave the pork good flavor and melded well with the roasted apples and onions, which I may need to make again on their own! I took the roast out of the oven at 140°F (55 minutes) and let it rest for 10 minutes before serving.

Testers Choice
Joel Jenkins

Sep 10, 2014

Oh so simple, oh so delicious. A keeper for the last-minute dish repertoire. I made this for a group of ultrarunners in the middle of a 6-day endurance event. I was using a Camp Chef propane camping stove at 9500 feet elevation, so my cooking time was WAY off, but I used an instant read thermomenter to ensure the pork was cooked to the right temperature. By the time the pork was done, the onions and apples were perfectly soft. It was so tender and juicy, people didn't even realize it was pork loin. A couple people asked what it was and when I told them they asked how I was able to keep it so moist and not dried out. The apples and onions lent the pork a nice flavor profile with layers of flavor. I threw in some mashed potatoes and the runners were as happy as could be. It really is that simple.

Testers Choice
Karen Lynch

Sep 10, 2014

This roast pork dinner makes a delicious family meal, starting with an aroma that fills the home. The apples and pork complement one another nicely, and the licorice flavor of fennel mixed with the thyme is a taste to be tried. The easy-to-follow directions ensure a dish that will please new cooks and experienced cooks alike. I enjoy a nice mustard to accompany pork roast, and in the future I will make a pan sauce with Dijon mustard stirred into the pan drippings to go with the roast.

Testers Choice
Sita Krishnaswamy

Sep 10, 2014

I loved this one-pan recipe, which is a great one to have on hand for weeknight dinners. The combination of apple, pork, fennel, and pepper is a versatile one and lends itself well to this recipe. My pork loin was done in 40 minutes, and I let it rest about 10 minutes. I served it with a nice Caesar Salad and roast potatoes.

Testers Choice
Robert Castagna

Sep 10, 2014

The combination of flavors was delicious. The use of apple—actual pieces with definition instead of applesauce— was enjoyable and the caramelized onions added another flavor note. This is truly a very good dish. I would like to try it again, but grinding the fennel seeds down to dust, mashing the garlic into a paste, adding the other ingredients to make a rub, spreading it over the pork, and roasting at a lower temperature, maybe 325°F.

  1. Christina says:

    Lovely! I love cooking pork loin… it’s such a crowd pleaser! (Not to mention, one of MY favorites!) Love the idea of baking the apples alongside; I’ll have to try that next time!

  2. Sara says:

    Seeing the comments makes me want to try this. I love roast pork and I want to be more confident about making it.

  3. Lawrence says:

    I love the taste of pork cooked with apples. I will give this a try this weekend. I like to grind my pepper in my manual coffee grinder on a heavy french press-cut setting with a few coffee beans mixed to add a little depth. In addition, the fennel and thyme would take a little edge off the course pepper to round out the flavor. Loved your post.

  4. Rochelle says:

    There is a similar Hungarian recipe that uses caraway seeds rather than fennel seeds. Delicious too! If, like me, one keeps kosher, turkey thighs make a great substitute for pork in this recipe.

  5. Briana says:

    I just have a quick question. Can I do this is a roasting pan? I feel like a baking sheet is a little odd to use for a roast. Also, no liquid added? I feel like everything will get stuck to the bottom and burn.

    • Renee Schettler Rossi says:

      Absolutely you can use a roasting pan, Briana. The baking sheet is simply an option that affords slightly more surface area so that the onions and apples aren’t crowded, which in turn allows them to properly roast. (If the apples and onions are too crowded, then they will effectively steam, rather than roast, and your dinner will lack the lovely caramelized taste that makes this supper so spectacular.) None of our testers had any issues with anything burning. The olive oil helps prevent burning, as does the small amount of liquid that the onions and apples exude during roasting. A number of my friends have made this recipe since we posted it to the site last week and every single one has raved like wild about this recipe, just as our recipe testers did in their home kitchens. Hope you feel the same!

      • Shelley says:

        Hello. I found your recipe on Pinterest. I made it with a twist. I used stuffed pork loin and followed your recipe and baked it in a large casserole dish. It turned out perfectly. Carmelized onions and apples, they did not burn and the family stated it was gourmet. lol

  6. When I went looking for recipes for today’s apple recipe roundup, your recipe just jumped out as having to be on the list. I can’t wait to try it myself…and I love the turkey thigh substitution idea since I slightly prefer turkey to pork and the size is better for cooking for one.

  7. Joey says:

    Made the mistake of reading this recipe just before heading to the grocery store. Ended up with all the ingredients for this, and the tomato goat cheese cobber, AND the compost cookies. Ended up inviting friends over for a last minute dinner party. All three recipes were easy and came out perfectly. VERY tasty—the pork had a surprising amount of flavor, the fennel seeds were great. I did pull the pork out at 138° and put the veg back in the oven at a higher heat to get some caramelization. Otherwise, followed the recipe as written. Yum.

    • Renee Schettler Rossi says:

      First of all, Joey, oh to be your friend and be invited over for impromptu dinner parties! Lovely to hear you loved each of these recipes as much as we do. Greatly appreciate all the feedback. And yeah, this pork is something else, is it not? My husband has made it no fewer than three times in the past three weeks…

  8. michelle says:

    easy to make and delicious. loved the marriage of the apples, onions, and pork.

    • Renee Schettler Rossi says:

      So lovely to hear you like this as much as we do, Michelle. My husband is hooked on this, too—he’s made it at least 4 times in the past month!

  9. Leslie says:

    Delicious! I prepared this for my mother and brother, and we decided to add sweet potatoes to the vegetable mix. I loved the thyme-fennel-garlic rub, and the timing was spot on. Thanks so much.

    • Renee Schettler Rossi says:

      You’re so welcome, Leslie. Many thanks for taking the time to let us know that you tried it and how you made it your own. Looking forward to hearing which recipe you try next…

  10. Briana says:

    For a 4lb roast, How long do you suggest cooking it for?

    • David Leite says:

      Briana, because we didn’t test a roast that large, I don’t want to steer you in the wrong direction. It’s always best to use a thermometer. So many things can affect the timing. It will take longer, for sure, but please be careful, as the onions and apples won’t need the extra time.

  11. Milena Kellett says:

    I just made this …with boneless pork loin and it is delish :) definitely need a meat therm. But great recipe ! Thank you !

    • Renee Schettler Rossi says:

      You’re so very welcome, Milena! So glad to hear you find it to be terrific, too!

  12. Carrie says:

    I made this a few months ago. Absolutely delicious! Wouldn’t change a thing and now that it’s fall I’ll be making it again soon.

    • Renee Schettler Rossi says:

      So lovely to hear, Carrie! Many thanks for taking the time to let us know. Looking forward to hearing which recipe on the site you try next…

  13. SeattleDee says:

    Made this tonight for the first time and loved the roast The husband kept nibbling slice after slice, just to get “one more bite” of the herb rub. The Granny Smith apples all but melted away during the 40 minutes in the oven, but the onions held a good texture.

    • Renee Schettler Rossi says:

      Seattle, thank you for taking the time to let us know! My husband makes this all the time and we haven’t had that happen with the apples. Perhaps yours are fresher and hence contain more moisture given that you’re in Seattle and the apples probably didn’t need to be trucked in? If you make it again, feel free to swap a different apple and/or to make the wedges slightly thicker. Again, thank you! Looking forward to hearing which recipe on the site you try next!

  14. tc says:

    Low and slow here, again :) I’ve made this recipe with both a pork loin (following the recipe and temperature above) and a bone-in picnic roast (changing the cooking temp to 275°F). Both versions were wonderful. I appreciate how versatile the recipes are on this site…real recipes for real people. Thanks for that.

    • Renee Schettler Rossi says:

      Lovely to hear from you, as always, low and slow! We couldn’t ask for higher praise. Greatly appreciate your kind words.

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