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Dinner · Part 2 of 3: Instructions

Brown Sugar BBQ Spare Ribs: Dump-and-Forget Crockpot Dinner Step-by-step instructions

Slow cooker brown sugar BBQ spare ribs glistening with sauce in the Crockpot
Prep
Cook
Total
Serves
6
Includes 10 min resting

Before you start

Before you start, pat the spare ribs dry with paper towels. If the rack is too large for your slow cooker, cut it into sections to fit in a single layer. Slice the onions into thin rings or half-moons.

Measure the brown sugar, smoked paprika, and barbecue sauce so everything is ready to go. No need to sear the ribs or preheat the slow cooker—just layer the ingredients directly in the insert.

Ingredients at a glance (5)
  • 4 lb St. Louis style pork spare ribs
  • 1/2 cup dark brown sugar, packed
  • 2 tbsp smoked paprika
  • 2 medium yellow onions, sliced
  • 2 cups Kansas City style barbecue sauce

Instructions

Layer and Coat

  1. Layer the Ribs and Rub
    Place the St. Louis style pork spare ribs in the bottom of a 6-quart slow cooker. If needed, cut the rack to fit in a single layer. Sprinkle the dark brown sugar and smoked paprika evenly over the ribs, turning to coat both sides if possible. Scatter the sliced yellow onions over the top.
    Look for The ribs are coated with a dark brown sugar and paprika rub, and the onions are scattered on top.
    Tip For even cooking, arrange the ribs in a single layer, overlapping slightly if necessary.
  2. Pour on the BBQ Sauce
    Pour the Kansas City style barbecue sauce over the ribs, using a spatula to spread it evenly so all the meat is covered. The sauce should pool around the ribs and mix with the onions and sugar.
    Look for The ribs are completely coated in a thick, glossy layer of barbecue sauce.
    Tip Use a thick, high-quality barbecue sauce for the best sticky glaze.

The ribs are nestled in the slow cooker, coated with a dark brown sugar and paprika rub. The sliced onions are scattered on top, and the barbecue sauce is poured over, creating a glossy, brick-red coating. The aroma is sweet and smoky, with a hint of onion. Everything is ready for the slow cooker to work its magic.

Slow Cook to Tender

  1. Slow Cook Until Tender
    Cover the slow cooker and cook on low for 6 to 8 hours, or on high for 3 to 4 hours, until the meat is fork-tender and easily pulls away from the bone. Avoid opening the lid during cooking to keep the heat and moisture steady. Let it rest for 3 minutes before slicing.
    Look for The meat is tender and starting to pull away from the bones; the sauce is bubbling gently.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip For the most tender ribs, always cook on low. The longer time allows the connective tissue to break down fully.

After several hours, the kitchen fills with the rich, sweet smell of barbecue. The sauce is bubbling gently around the edges, and the meat has pulled back from the bones, looking glossy and caramelized. The ribs are fork-tender; a gentle twist with a fork separates the meat easily. The sauce has thickened and clings to the meat.

Rest and Serve

  1. Rest and Serve
    Turn off the slow cooker. Use a carving fork to carefully transfer the ribs to a cutting board. Let the ribs rest for at least 3 minutes before serving. Then transfer to a serving plate and spoon some of the thickened sauce from the slow cooker over the top.
    Look for The ribs are glistening with sauce and hold their shape but are pull-apart tender.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Letting the ribs rest allows the juices to redistribute, making them even more succulent.

The ribs are transferred to a cutting board and rest for a few minutes. They are glistening with a sticky, mahogany sauce, and the meat is so tender it's nearly falling off the bone.

When you lift a section with a fork, it bends slightly and the meat shreds easily. The sauce is thick and rich, ready to be spooned over the top.

Common mistakes

One common mistake is lifting the lid too often to check on the ribs. Every time the lid is opened, heat escapes and the cooking time increases. Trust the recipe and keep the lid on.

Another mistake is using a thin, watery barbecue sauce—it won't thicken properly and the ribs will be less flavorful. Finally, don't skip the resting time; it allows the juices to redistribute, resulting in juicier meat.

How to tell it’s done

The ribs are done when the meat is fork-tender and easily pulls away from the bone. Insert a fork into the thickest part of the meat—it should slide in with little resistance.

The internal temperature should read at least 145°F (63°C) on an instant-read thermometer, but for the most tender results, cook until the meat is practically falling off the bone. The sauce should be thickened and slightly caramelized around the edges.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • Can this recipe be made with baby back ribs?
  • Why are the ribs not falling off the bone?
  • Can this recipe be doubled?
  • Is it necessary to sear the ribs before slow cooking?
  • What is the best way to thicken the sauce?

Also in Part 3: variations (Spicy Chipotle Ribs, Honey Garlic Ribs, Root Beer Ribs, Smoky Maple Ribs), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

4 variations · storage & make-ahead · 5 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)