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    Home » Recipes » Dinner Recipes

    Roasted Pork Tenderloin

    By: Jessica · Posted: Apr 4, 2019 · Updated: Jan 23, 2022 · This post may contain affiliate links. Please read my disclosure policy.

    Jump to Recipe
    Total Time: 45 minutes minutes
    Servings: 4

    Oven Roasted Pork Tenderloin: Easy ingredients such as onions, butter, salt, pepper, thyme, basil garlic, and onion powder… the flavor packs a punch!

    Tenderloin recipes are one of our favorite cuts of meat around here, so make sure to check out our beef tenderloin and deer tenderloin recipes too!

    Hey Fantabulosity readers! It’s Meg again checking in with a ridiculously delicious and easy roasted pork tenderloin.

    This Roasted Pork Tenderloin is easy enough for weeknights but fancy enough for dinner guests. Utilize your pantry to make this delicious, rich pork tenderloin tonight.

    Roasted Pork Tenderloin

    I’m betting you have all the ingredients for this pork tenderloin (except for maybe the pork) in your pantry and refrigerator already.

    This roasted pork starts with a sliced onion on the bottom of your pan.

    This provides a delicious little rack for the pork so it doesn’t sit in the juices while it roasts, adds some flavor, and gives a yummy little accompaniment to the pork when it’s finished.

    How to Season Pork Tenderloin

    Next the dry pork loin is rubbed with softened butter and sprinkled with a mixture of herbs and spices.

    You’ll need kosher salt, pepper, dried thyme, dried basil, garlic powder, and onion powder. All pretty standard spices that combine to create the tastiest herby crust for the pork tenderloin.

    This Roasted Pork Tenderloin is easy enough for weeknights but fancy enough for dinner guests. Utilize your pantry to make this delicious, rich pork tenderloin tonight.

    Butter and Basting

    Because the pork is rubbed with butter before baking, the flavor that is yielded is crazy rich and delicious. As the butter melts it bastes the pork and mingles with all the spices to create so much goodness.

    Pork Tenderloin Ready-Made Sauce

    The butter combines with the pork juices and creates a little pan sauce all on its own that is amazing drizzled over the sliced pork tenderloin. I promise you will be dragging your pork through ever last drop of it.

    This Roasted Pork Tenderloin is easy enough for weeknights but fancy enough for dinner guests. Utilize your pantry to make this delicious, rich pork tenderloin tonight.

    How long to cook pork tenderloin in the oven

    This pork tenderloin only takes about 35 minutes to roast in the oven at 400°.

    Pork Tenderloin Temp

    I don’t know about you all but pork was a meat I always used to struggle cooking. It was either underdone or cooked so long it resembled jerky when chewing it. I just couldn’t seem to find the sweet spot when it came to pork.

    What changed things for me? A digital meat thermometer with a temperature alert feature. You set the temperature you would like your food to be cooked, insert the probe, and put it in the oven (or grill or slow cooker). It’s oven safe and an alert will go off when the desired temperature has been reached.

    I’m telling you, the thermometer is a complete game-changer. Especially when it comes to pork.

    The safe temperature to cook pork to is now 145 degrees F so I set it that temperature then let it rest for 10 minutes after removing it from the oven.

    This Roasted Pork Tenderloin is easy enough for weeknights but fancy enough for dinner guests. Utilize your pantry to make this delicious, rich pork tenderloin tonight.

    Letting the pork rest, allows the pork to redistribute the juices and will keep it juicy rather than everything running out when you slice it.

    TIP: The pork will also continue to cook in those 10 minutes so you could even set your thermometer to 140 degrees F instead if you want it cooked right to 145 degrees.

    For me, I like it a little more just because even though I know it’s safe, the pink still freaks me out a little.

    Roasted pork tenderloin cut in to slices on a wooden cutting board.

    You can tell by looking at this gorgeously roasted pork tenderloin that it’s fancy enough to make for special dinner guests but you can also easily whip it up for your family on a Wednesday night too.

    Slow Cooker or Crock Pot Pork Tenderloin Option

    Although this pork is rich and juicy when roasted in the oven, it’s also a great option for the slow cooker. I tested it both ways and they yielded in amazing flavor and buttery goodness.

    So, if you need to be away from your oven, prepare the pork tenderloin exactly as stated in the instructions, just placing in the slow cooker instead of a roasting pan. Cook on high for 4 hours and dinner will be ready to go.

    Sides for Pork Tenderloin

    Most love serving pork tenderloin with roasted vegetables or roasted potatoes as side dishes! Here are our favorites to serve with it:

    Garlic Roasted Broccoli

    Baked Fiesta Ranch Potato Wedges

    Or, serve this delicious roasted pork tenderloin with spring mix apple raspberry salad to create the ultimate spring meal.

    Related Recipes

    If you love pork recipes, you’ll absolutely go wild over this pork steak recipe and this one pan pork chops and veggies dish!

    📖 Recipe

    Roasted pork loin, sliced, on wood cutting board.

    Roasted Pork Tenderloin

    Jessica Burgess
    This Roasted Pork Tenderloin is simply covered with melted butter and spices, and then baked to a delicous perfection for an easy dinner!
    4.50 from 38 votes
    Print Recipe Pin Recipe
    Prep Time 10 minutes mins
    Cook Time 35 minutes mins
    Total Time 45 minutes mins
    Course Main Course
    Cuisine American
    Servings 4
    Calories 82 kcal

    Ingredients
     

    • 1 large yellow onion, peeled and sliced into 4 thick rings
    • 1 to 1 1/2 lb. pork tenderloin
    • 2 Tbsp. butter, softened
    • 1 1/2 tsp. kosher salt
    • 1/2 tsp. black pepper
    • 1/2 tsp. dried thyme
    • 1 tsp. dried basil
    • 1 tsp. garlic powder
    • 1 tsp. onion powder
    Prevent your screen from going dark

    Instructions
     

    • Preheat oven to 400 degrees F. Layer onion in the bottom of a small roasting pan. Pat dry the pork. 
    • Rub the pork evenly with butter and place on top of the onions.
    • In a small bowl, combine the salt, pepper, thyme, basil, garlic powder and onion powder. Sprinkle evenly over the pork tenderloin and slightly press into the butter. 
    • Cook for 27 to 35 minutes, or until the internal temperature reaches 145 degrees F. Remove from the oven and allow to rest for 10 minutes before slicing. Drizzle pan sauce over the pork when serving. 

    Notes

    Please keep in mind that the nutritional information provided below is just a rough estimate and variations can occur depending on the specific ingredients used. 

    Nutrition

    Serving: 1serving | Calories: 82kcal | Carbohydrates: 6g | Protein: 1g | Fat: 6g | Saturated Fat: 3g | Cholesterol: 15mg | Sodium: 773mg | Potassium: 113mg | Fiber: 1g | Sugar: 1g | Vitamin A: 210IU | Vitamin C: 3.4mg | Calcium: 55mg | Iron: 2.1mg

    Nutritional information is based on third-party calculations and should be considered estimates. Actual nutritional content will vary with brands used, measuring methods, portion sizes and more.

    Keywords crock pot pork tenderloin, pork tenderloin oven, roasted pork tenderloin, slow cooker pork tenderloin
    Tried this recipe?Let us know how it was!

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    1. Cindee says

      March 27, 2021 at 8:13 am

      5 stars
      This was absolutely delicious. I also melted the butter and added the seasonings and brushed the mixture over the tenderloins. Fabulous and so easy. Thanks for posting.

      Reply
      • Jessica says

        March 28, 2021 at 9:42 am

        I’m thrilled that you loved it Cindee! Thank you so much for taking the time to share and review!

        Reply
    2. Matt Taylor says

      January 22, 2021 at 10:12 am

      5 stars
      Pork tenderloin is one of my favorite meats! I usually just cut it into medallions, pound it flat, and grill it. Can’t wait to try this roasted way!

      Reply
      • Jessica says

        January 22, 2021 at 3:35 pm

        Thank you!! I so hope that you love it!!

        Reply
    3. Eden says

      January 22, 2021 at 9:48 am

      5 stars
      This turned out great and very flavorful. I loved all of the spices and herbs! Perfect, easy dinner 🙂

      Reply
      • Jessica says

        January 22, 2021 at 3:35 pm

        Oh that’s so great to hear! I’m so glad that you liked it, thank you!

        Reply
    4. Allyson Zea says

      January 22, 2021 at 9:00 am

      This looks so juicy! I can’t wait to try it!

      Reply
      • Jessica says

        January 22, 2021 at 3:35 pm

        Thank you Allyson! I hope you love it!

        Reply
    5. Carol says

      September 04, 2020 at 8:30 pm

      5 stars
      Tried this tonight and we loved it. Followed Donna’s suggestion – melt the butter, mix in the seasonings, then spread on the pork. I cut back a bit on the salt, but otherwise the seasonings were perfect. Pork was juicy, tender, and flavorful. Couldn’t be better!

      Reply
      • Jessica says

        September 05, 2020 at 9:39 am

        Yay! I’m so glad that you liked it Carol! Thank you so much for taking the time to let us know and leave a review!

        Reply
    6. Donna says

      April 06, 2020 at 5:36 pm

      5 stars
      So good. I ended up melting the butter & mixing the seasonings into the butter before spreading over the tenderloin. On my list of favorites from now on!!

      Reply
      • Jessica says

        April 06, 2020 at 7:59 pm

        Oooooh! Mixing the seasoning with the butter sounds like a great idea! Thank you for sharing and for the rating! XOXO

        Reply
    7. Jeannette Laxague says

      January 11, 2020 at 8:16 am

      Hi There,
      I am so excited to try this recipe, but I’m concerned that the onions will burn at such a high temp. Has this ever been an issue for anyone that has tried this recipe?
      Thanks for your help in advance.

      Reply

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    Jessica Burgess of Fantabulosity

    Hi, I'm Jessica! - Owner, Creator of the lifestyle blog and brand, Fantabulosity.

    I believe you can have simplicity in life, and still feel fabulous. Here you'll find easy, tested recipes, and life + home tips to inspire you in your everyday.

    More about me →

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