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    Home » Pit Boss Recipes

    Published: Oct 16, 2023 · Modified: Nov 3, 2023 by Mads Martigan · This post may contain affiliate links · 1 Comment

    Smoked Pork Loin on a Pit Boss Pellet Grill

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    Learn step by step how to make a smoked pork loin, sometimes called a tenderloin, on a Pit Boss pellet grill and why this is such a great way to prepare this ultimate pork roast!

     

    Pit Boss Smoked Pork Loin sliced on a cutting board

    A full pork loin is a large cut of lean meat that is juicy and flavorful when cooked properly. This white meat can dry out when overcooked, so making sure you cook it just to the target internal temperature is important.

    Pork tenderloin is a smaller section of the full pork loin but can be seasoned and cooked in much the same way, just for less time.

    We'll show you how to prepare and smoke a pork loin so that stays moist and juicy!

    Jump to:
    • Trim the Fat
    • Video
    • Our Favorite Seasonings
    • Our Favorite Wood Pellets
    • Setting up the Pit Boss
    • Handling the Pork loin
    • Smoking Temperature
    • Target Internal Temperature
    • Cooking Time
    • Carving and Serving
    • 📖 Recipe

    Trim the Fat

    You shouldn't have to trim too much fat or connective tissue if you bought a pork tenderloin to smoke on the Pit Boss.

    Boneless pork loin in package

    The tenderloin is generally the 2 lb center section of the full 6-8 lb boneless pork loin that usually contains the best meat.

    Depending on your crowd and your budget, you can either buy multiple tenderloins or a single loin to smoke in your Pit Boss.

    Other the time it takes to cook, all our directions below will apply to either choice, but check out our Pit Boss Smoked Pork Tenderloin for more specific instructions.

    If you bought a nicely trimmed pork tenderloin, great, no trimming necessary.

    If however, you have a full pork loin with some fat and connective tissue, you'll need to do a little trimming before seasoning it and throwing it on the Pit Boss.

    Full boneless pork loin on a white cutting board with a knife

    Use a good boning or filet knife like our favorite one from iMarku to first remove any excessive fat that is attached to your pork loin.

    knife cutting excess fat off of a boneless pork loin

    You do not need to completely remove the exterior fat like we did with our Pit Boss Smoked Beef Tenderloin.

    finished trimmed pork loin with a pile of trimmed fat on a white cutting board

     

    Video

    Rather WATCH than Read?

    Check out our YouTube Video on How to Smoke a Pork Loin on a Pit Boss Pellet Grill if you'd like to watch step-by-step how we do it!

    Our Favorite Seasonings

    Unlike our beef tenderloin, we are going to go for a more sugary rub like traditional pork butt and ribs might call for.

    Pork pairs so well with sweeter rubs and traditional BBQ seasonings.

    If you don't feel like making your own rub, our favorite off the shelf rubs for smoked pork loin are Famous Dave's Rib Rub and Blue's Hog Dry Rub Seasoning.

    ingredients for smoked pork loin: oil spray, famous dave's rib rub, Blue's Hog seasoning, and the pork loin

    We also love Three Little Pigs, particularly Three Little Pigs Touch of Cherry, on pork.

    It's got a fantastic traditional sweet (but not overly sweet) flavor profile with a little heat and garlic kick at the end.

    We use it all the time on ribs, pork butt, and chicken.

    If you want to use a quality rub without the sugar, we are big fans of Bad Byron's Butt Rub Seasoning on smoked pork loin because it is heavy on flavor, and has no sugar.

    It also works great on hamburgers or chicken wings, or anytime you are reverse searing, like on steak.

    We aren't going to reverse sear our smoked pork loin today, just let it cook low and slow on the Pit Boss.

    But if you DO want to cook it at a higher temperature and not have to worry about burning your sugary rub, then go with something like Bad Byron's.

    To add the BBQ rub to the pork loin, first oil the outside of the meat with Canola oil or olive oil. Then sprinkle generously with the BBQ rub(s).

    pork loin being seasoned with bbq rub

    We like to use disposable nitrile gloves when seasoning meat. We recommend having one gloved hand to touch the meat and press down the rub and the other hand with no glove to handle the bottles of rub.

    gloved hand pressing seasoning down to adhere bbq rub to pork loin

    Once the rub has been added to all sides of the meat, allow the rub to penetrate the meat for about 30 minutes. You can do this at room temperature or, ideally, covered in a refrigerator.

    pork loin seasoned on a cutting board in front of a pit boss pellet grill

    Because cold meat absorbs more smoke flavor, chilling the pork before smoking will maximize the smoke taste you get in the cooked pork.

    Our Favorite Wood Pellets

    You have a lot of options when it comes to choosing the right wood pellets to smoke your pork loin on a Pit Boss pellet grill.

    a hand holding wood pellets

    Mesquite and hickory will give a very aggressive smoke flavor to the lean pork loin, usually a little too much, if used solely on their own rather than mixed with a milder fruitwood or blend.

    Pecan, apple, beech, alder, and cherry pellets all give great results on pork when cooked on a Pit Boss.

    However, our hands down can't go wrong favorite is straight up Pit Boss Applewood Pellets when smoking pork.

    Especially leaner pork cuts like pork loin and pork tenderloin, you can't go wrong with that mild applewood smoke.

    For the best results, store your unused pellets in a sealed room temperature container like this 20 lb pellet container rather than in the Pit Boss hopper outside.

    Pellets do not last forever, but will definitely last a LOT longer if stored indoors in a quality airtight container.

    Setting up the Pit Boss

    Finished smoked pork loin on a cutting board in front of a Pit Boss pellet grill

    We have previously covered how to season a Pit Boss, how to start a Pit Boss, as well as how to troubleshoot the smoke level of your pellet grill.

    So if you need a more in-depth review on how to use your Pit Boss for the first time, check those articles out first!

    Handling the Pork loin

    Pork loin on a pellet grill being placed with gloved hands

    One of our biggest tips when smoking a large piece of meat like a pork loin is to use cloth gloves underneath disposable nitrile gloves to transfer the meat to and from the grill and to flip it during cooking.

    We have found it very difficult to use tongs or other BBQ tools to handle a piece of meat this size.

    The cloth gloves protect your hands from the heat of the meat and grill grates, while the disposable gloves can be changed often as they get seasoning and raw meat and meat juices on them.

    Smoking Temperature

    After preheating, we recommend initially setting up the Pit Boss to cook on the Smoke Setting at 180°F.

    We like doing this for two reasons:

    1. The Pit Boss makes the most smoke on this setting and our meat absorbs the most smoke flavor when it is fresh and still cold on the grill. So it's the perfect way to start off a low and slow cook like this.
    2. It will partially cook our pork loin without cooking it too fast, allowing it to absorb plenty of smoke flavor before we turn up the heat to finish it.

    After about 30-40 minutes on the Smoke setting at 180°F, go ahead and turn up the heat on your Pit Boss to 250°F until it's finished.

    You will probably want to flip it over after about 1 hour or so into the cook so that both the top and bottom cook evenly, since most of the heat from the Pit Boss comes from below.

     

    Target Internal Temperature

    You HAVE to use a good instant read meat thermometer to know where the internal temperature is of your smoked pork loin while it's cooking on the Pit Boss.

    pork loin on a pellet grill with a leave in temperature probe in the meat

    Ideally, you want a good leave in probe thermometer like the Thermopro, as well as an instant read thermometer to spot check different points of thickness along the pork roast.

    While we have used and recommended ThermoPro for years, lately we have also become big fans of the MEATER leave in thermometer.

    It is extremely accurate and has an incredible 165 foot bluetooth range and works right with your smartphone so you don't need to carry a separate controller around with you like many other remote thermometers require.

    In fact, the thermometer itself is COMPLETELY WIRELESS, so no more awkward wires running out of the side of your smoker!

    It's got a great free app that is constantly being updated and even has an algorithm to predict how much longer your type of meat will take to cook based on cooking temperature, target temperature, and current internal temperature.

    It's like a GPS for your meat!

    We are going to slowly bring the internal temperature up to about 140-145°F, then remove it from the Pit Boss and let it rest before slicing.

    pork loin at 145 degrees measured with an instant read thermometer

     

    Cooking Time

    A full size 6-8 lb pork loin will take roughly 1 and ½ hours in total to reach 145°F internal temperature when cooked at 180°F for the first 30 minutes and then turned up to 250°F for the remaining time.

    A smaller 2 lb pork tenderloin may only take about an hour at most.

    pork loin smoking on a pit boss pellet grill

    This is why it is so important to use a good instant read thermometer like we talked about above.

    Then you will need to let the pork loin rest after smoking it before carving.

    Unless you want those delicious juices running all over your cutting board instead of staying in the meat where you want them, you need to set aside time for the meat to rest!

     

    Carving and Serving

    Pork loin resting on a cutting board with a slicing knife

    You will then remove the smoked pork loin or tenderloin from the hot Pit Boss and let it rest.

    Let the roast rest for 20-30 minutes before carving.

    pit boss pellet grill smoked pork loin sliced

    Use a good meat slicing knife and cut the smoked pork loin into nice thick slices based on how many guests you are serving.

    We particularly like this meat slicing knife from Mairico.

    Want to review our 5 FAVORITE Meat Cutting knives of the past year? Check out this Complete List HERE!

    Serve your Pit Boss smoked pork loin alongside some smoked vegetables, apples, sweet potatoes or even smoked pineapple for a tropical theme!

    📖 Recipe

    Pit Boss Smoked Pork Loin sliced on a cutting board

    Pit Boss Smoked Pork Loin

    Mads Martigan
    This pork loin (or tenderloin) is rubbed with a traditional BBQ rub and then slow smoked on a Pit Boss pellet grill to perfection. The ultimate (and easiest) way to smoke a pork roast on a Pit Boss!
    5 from 1 vote
    Print Recipe Pin Recipe Share on Facebook Save Recipe Saved Recipe
    Prep Time 30 minutes mins
    Cook Time 1 hour hr 30 minutes mins
    Resting Time 20 minutes mins
    Total Time 2 hours hrs 20 minutes mins
    Course Main Course
    Cuisine American, Australian, barbecue, BBQ, Hawaiian, Holiday, Smoked
    Servings 6 people
    Calories 450 kcal

    Equipment

    • Pit Boss Pellet Grill
    • Pellets for smoking preferably apple or cherry
    • Boning or Fillet Knife
    • Dual Probe Thermometer
    • Instant Read Thermometer
    • Cutting Board
    • Meat Slicing Knife

    Ingredients
      

    • 1 6-8 lb Pork Loin or several smaller pork tenderloins but adjust cooking time
    • spray Canola oil or olive oil
    • BBQ rub such as Famous Dave's Rib Rub or Blue's Hog, or combination

    Instructions
     

    Start the Pit Boss

    • Add your chosen pellets to the hopper, start the Pit Boss pellet grill and put it on the "Smoke" setting.
      pouring pellets into a pit boss pellet grill

    Trim the Fat

    • Use a good boning or filet knife first remove any excessive fat from the top and sides of the pork loin
      knife cutting excess fat off of a boneless pork loin
    • If there is a fat cap, trim it to about ¼ inch thickness.

    Season

    • Place the pork loin on a cutting board or wire rack on top of a baking sheet. Spray or rub with Canola or olive oil on all sides.
    • Apply the BBQ rub(s) generously to all sides of the pork loin. You can let it rest and absorb the rub wrapped in plastic wrap in the refrigerator for anywhere from 30 minutes to overnight.
      seasoning a pork loin with bbq rub

    Smoke the Pork Loin

    • Once the Pit Boss has come up to 180°F, oil the grates.
      a smoker set to 180 degrees
    • Place the seasoned pork loin in the cooking chamber with the thickest part facing toward the hotter side of your grill (the left for our Pit Boss). Push the sides of the loin in to make it more compact.
      pork loin on a pellet grill with a leave in temperature probe in the meat
    • Place a temperature probe into the center or a thicker part of the meat.
    • Close the lid and let the pork loin cook at 180°F on the Smoke setting for about 30-40 minutes.
    • Turn the temperature on the Pit Boss up to 250°F.
    • Once the pork loin has been cooking for about an hour in total, or if the internal temperature has reached 100°F, remove the temperature probe and flip the pork loin over so that top is now on the bottom. Press the sides of the meat together again to make it more compact. Replace the temperature probe.
    • Close the lid and continue to cook at 250°F until the internal temperature of the pork reaches 140-145°F. This will take about 90 minutes in total from when you first put the pork loin on, depending on the size.

    Remove, Rest, and Slice

    • Remove the smoked pork loin and let it rest on a cutting board, uncovered for 20-30 minutes.
      Pork loin resting on a cutting board with a slicing knife
    • Slice the pork into thick 1-inch slices for each guest starting at the thinnest end and working your way to the center. Only slice what you plan to serve immediately so that the pieces do not dry out.
      1-inch slices of pork loin sliced on a cutting board
    • Serve immediately with warmed BBQ sauce, if desired.

    Video

    Nutrition

    Calories: 450kcal
    Keyword barbecue pork, bbq pork loin, bbq pork tenderloin, pellet grill, Pit Boss, pork loin, pork loin roast, pork roast, pork tenderloin, smoked pork loin, smoked pork tenderloin, Smoker
    Tried this recipe?Let us know how it was!

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    • Smoked Pork Tenderloin sliced on a white plate with fresh rosemary on the side as garnish
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    • pork chop on the grates of a pit boss pellet grill being sauced with a silicone basting brush
      Smoked Pork Chops on a Pellet Grill
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    About Mads Martigan

    Mads is the founder of Madbackyard.com and has been a BBQ and Grilling enthusiast for the past 15 years. He loves to write about and make videos on smoking and barbecuing all kinds of great food.

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    Comments

    1. John says

      January 20, 2022 at 10:05 am

      5 stars
      Good recipe...I took mine off at 140 instead of 145 because it was so big it kept creeping up when resting almost another 10 degrees! Might want to make a note of that in your article, otherwise would have been really dried out.

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    Robert "Mads" Martigan, the founder of Mad Backyard

    Hi, I'm Mads, the founder of Mad Backyard and an avid outdoorsman, barbecue/smoker buff, and pellet grilling enthusiast who loves to share my passion for outdoor living and outdoor cooking with the world.

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