Slow Cooker BBQ Pork Ribs (w/ Brown Sugar Rub)
Developed and tested by Robyn Conley Downs
on Jun 16, 2025 (last updated Nov 23, 2025) 
These slow cooker ribs (baby back or St. Louis-style) start with a sweet-smoky brown sugar rub, cook low and slow, then are finished under the broiler or on the grill. The result is fall-apart tender pork with caramelized edges and rich, smoky-sweet flavor, no babysitting required!
5 star review
“Amazing and fail proof. The first time I made them I added the bbq during the slow cooker, going to try just dry rub this time!!”
– Zoe
Fall-off-the-Bone Pork Ribs Made Effortless in the Slow Cooker
Let’s be honest, making ribs at home can seem a little intimidating. But good news, my version leans all the way into simplicity: just five minutes of prep, a handful of pantry spices, and a few hands-off hours in the slow cooker. Plus, my brown sugar rub adds that smoky-sweet, caramelized depth you usually only get from a grill, and finishing them in the oven or on the grill gives you those golden, sticky, absolutely drool-worthy edges.
In creating this recipe, I tested both baby back and St. Louis-style ribs, and they each work beautifully. Baby backs cook a little quicker, while St. Louis-style are meatier and a bit more forgiving, which is why I personally tend to reach for them. Either way, the method is the real game-changer: low and slow until the pork is fall-apart tender, then a high-heat finish that makes them feel way more impressive than the effort involved.
And if you’re short on time or don’t want to turn on the oven? You can skip the broil and just brush on the BBQ sauce before serving. Still delicious, just not quite as caramelized. I also love finishing these on the grill for full summer cookout energy. Serve them with your favorite summer sides, or just grab a napkin and eat them straight off the bone! If easy summer slow cooker meals are your thing, don’t miss my sweet & smoky crockpot pulled pork, which is another low-lift favorite that brings big flavor without the work.
Welcome to My Kitchen! Let’s Make Crockpot Pork Ribs
Tips for Success
- Arrange ribs standing or curved around the sides of the slow cooker to fit. I always pull out my trusty 6-quart oval slow cooker for best results.
- After cooking, I highly recommend taking the extra 5 minutes to broil or grill the ribs to get the perfect sticky, caramelized finish.
- I can’t recommend enough using a BBQ sauce you actually love! It will make such a difference in the end product.
Easy Slow Cooker BBQ Pork Ribs (w/ Brown Sugar Rub)
Ingredients
- 2 2½ – 3 pound racks pork ribs, such as baby back ribs or St. Louis-style spareribs (5-6 pounds total)
Brown Sugar Spice Rub
- 1 teaspoon onion powder
- 1 teaspoon granulated garlic
- 1 teaspoons smoked paprika
- 2 teaspoons kosher salt
- ¼ teaspoon freshly-ground black pepper
- 4 tablespoons brown sugar
To Add at the End
- ½ cup prepared BBQ sauce, plus more for serving
Equipment
Instructions
- Make the Spice Rub: combine the onion powder, garlic powder, smoked paprika, salt, pepper, and brown sugar in a small bowl, stirring to combine.
- Prepare the Ribs: Pat the ribs dry with paper towels, then cut into 3- to 4-ribs per section so that they will fit into the slow cooker. Sprinkle evenly with the brown sugar rub, pressing it into the meaty parts.
- Add ⅓ cup water to a 6-quart oval slow cooker. Arrange the ribs upright in the slow cooker with the thick ends pointing down and meaty side against the sides, overlapping as needed.
- Cover and cook on high for 3-5 hours, or low for 4-8 hours, or until the meat is very tender but not yet quite falling off the bone.
Finish in the Oven
- Adjust the oven rack 4 inches from the broiler. Line a baking sheet with foil, then transfer the ribs, meaty-side-up, to the prepared sheet. Brush evenly with half the bbq sauce, then broil until the sauce is bubbling and beginning to char, about 5 minutes, keeping a careful eye on it to avoid burning. Remove from the oven, brush with remaining sauce, tent with foil, and let rest for 5 minutes. Cut ribs between bones to separate and serve with additional bbq sauce if desired.
Finish on the Grill
- Preheat a grill to medium-high heat. Brush the ribs evenly with half the sauce, then transfer the cooked ribs to the grill, meaty-side-down. Grill uncovered for about 5 minutes, until the sauce is bubbling and just beginning to char—watch closely to prevent burning. Remove from the grill, brush with remaining sauce, and tent with foil. Let rest for 5 minutes before slicing between the bones and serving with extra bbq sauce, if you like.
Notes
- Removing the Membrane: I tested this recipe with and without the membrane, and found that leaving the membrane coating on the underside of the ribs helped hold the ribs together as they cooked. However, if you’d prefer to remove it first, flip the ribs so the bones are facing up. Use a finger or a small knife to gently lift the edge of the thin, silvery membrane, as it’s often easiest to start between two bones. Once a section is loose, grip it and slowly pull; the whole membrane should come off in one piece.
- Types of Pork Ribs: I tested this recipe with baby back ribs, which are shorter, leaner, and tender and require a shorter cooking time; as well as St. Louis-style ribs, which are trimmed spare ribs and meatier, more uniform in shape, and require a slightly longer cooking time. I prefer the St. Louis-style ribs, however, both will work. Just be mindful of the cooking time.
- Cooking Time: All slow cookers are different, so exact times will depend on your slow cooker and type of ribs used. If the ribs are tough, add additional cook time until they are tender. You’ll want to remove them from the slow cooker before they completely fall off the bone, so they hold together when broiling or grilling.
Amazing and fail proof. The first time I made them I added the bbq during the slow cooker, going to try just dry rub this time!!
Zoe, yay, so happy to hear you enjoyed this easy slow cooker ribs recipe! Thanks so much for sharing your thoughts and for leaving a review!