Easy Slow Cooker Pork Loin Barbecue

slow cooker pork loin

The Spruce


  • Total: 7 hrs 20 mins
  • Prep: 20 mins
  • Cook: 7 hrs
  • Servings: 6 servings
Nutritional Guidelines (per serving)
386 Calories
19g Fat
17g Carbs
35g Protein
See Full Nutritional Guidelines Hide Full Nutritional Guidelines
Nutrition Facts
Servings: 6
Amount per serving
Calories 386
% Daily Value*
Total Fat 19g 24%
Saturated Fat 6g 31%
Cholesterol 99mg 33%
Sodium 473mg 21%
Total Carbohydrate 17g 6%
Dietary Fiber 1g 3%
Protein 35g
Calcium 43mg 3%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

A jazzed-up barbecue sauce and a variety of seasonings and spices make this a flavorful and easy pork roast, cooked to perfection in the slow cooker. Serve the pork roast with potatoes or mac and cheese and your favorite side vegetables, or slice and serve in sandwiches with extra sauce.

A boneless pork shoulder can be used instead of the leaner pork loin roast. If you do use a pork shoulder, add at least 2 hours or more to the cooking time. It should be very tender.


  • 1 large onion (sliced or coarsely chopped)
  • 1 tablespoon vegetable oil
  • 1 boneless pork loin roast (about 2 to 3 pounds; not tenderloin)
  • Salt (to taste) 
  • Freshly ground black pepper
  • Sauce:
  • 1/2 cup barbecue sauce
  • 2 tablespoons brown sugar (light or dark)
  • 1 tablespoon cider vinegar
  • 1 tablespoon soy sauce (low-sodium)
  • 1/2 teaspoon ground ginger
  • 1/2 teaspoon minced garlic
  • 1/4 teaspoon ground black pepper

Steps to Make It

  1. Gather the ingredients.

    Easy Slow Cooker Pork Loin Barbecue
    The Spruce
  2. In a large skillet, heat the vegetable oil over medium heat. Add the onion and cook for 3 minutes.

    Sautéing onions
    The Spruce 
  3. If the roast is wrapped in netting, remove it. Sprinkle the roast all over with salt and freshly ground black pepper.

    Pork loin with spices
    The Spruce
  4. Add to the onions and brown on all sides, about 8 to 10 minutes total.

    Cooking pork loin
    The Spruce
  5. Transfer the roast and onions to the slow cooker.

    Pork loin in a slow cooker
    The Spruce
  6. In a bowl, combine the sauce ingredients.

    Barbecue sauce with garlic
    The Spruce
  7. Pour over the roast.

    Pork loin with barbecue sauce
    The Spruce
  8. Cover and cook on LOW for 5 to 7 hours, or until the roast is tender and thoroughly cooked. The minimum safe temperature for pork (according to foodsafety.gov) is 145 F. 

    Pot lid
    The Spruce
  9. Carefully remove the pork loin roast to a pan or platter.

    Easy Slow Cooker Pork Loin Barbecue
     The Spruce
  10. Skim excess fat from the sauce and pour into a saucepan. Bring to a boil on the stovetop and cook, stirring occasionally, until the sauce is reduced and thickened, about 4 minutes.

    Making gravy
    The Spruce
  11. Put the pork loin roast and sauce back in the slow cooker and keep warm until serving time.

    Easy Slow Cooker Pork Loin Barbecue
     The Spruce
  12. Slice and serve the pork roast with potatoes and a side vegetable or serve in sandwiches with coleslaw.

    Easy Slow Cooker Pork Loin Barbecue sandwich
    The Spruce 
  13. Enjoy!


  • Double the sauce for the recipe and serve it on the side in a sauce dish or gravy boat.
  • This recipe is excellent with boneless country-style ribs as well.
  • You can also pork shoulder instead of pork loin and, but you will need to add 2 to 3 hours to the cooking time. A pork shoulder would be excellent for sandwiches. It should be falling-apart-tender and easy to shred for sandwiches. 

Recipe Variations

  • Replace the barbecue sauce ingredients with about 2/3 cup to 1 cup of your family's favorite commercial sauce.
  • Add a small amount of liquid smoke or mesquite seasoning to the sauce for a smoky flavor.
  • Add about 1/4 to 1/2 teaspoon of crushed red pepper flakes to the sauce mixture.