Dinner · Part 2 of 3: Instructions
Slow Cooker Honey Mustard Spareribs for Easy Weeknight Dinners Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before starting, ensure that your pork spareribs are thoroughly thawed if they were frozen. Pat the ribs dry with paper towels to ensure the seasonings adhere properly. Prepare your workspace by laying out all ingredients, including the honey mustard sauce and the yellow onion.
Peel and slice the onion into uniform half-moons to ensure even cooking. Clear a space on your countertop for the slow cooker, ensuring it is near an electrical outlet and away from any heat-sensitive surfaces. Having everything ready before you begin allows for a smooth assembly process and ensures that the slow cooker can start immediately.
Ingredients at a glance (4)
- 3 lb pork spareribs, cut into sections
- 1 yellow onion, sliced into half-moons
- 1 tsp garlic powder
- 1 cup honey mustard sauce
Instructions
Preparation and layering
- Assemble the ingredientsPlace the pork sparerib sections into the ceramic insert of your slow cooker, ensuring they are arranged in an even layer. Top the ribs with the sliced yellow onions, then sprinkle the garlic powder evenly over the top of the onions and meat.Look for The ribs should be snug in the slow cooker insert without being packed too tightly to ensure even cooking.Tip Layering the onions underneath or between the ribs helps infuse the pork with savory flavor as the juices release.
The ribs should be arranged in a single, even layer in the slow cooker, topped with the sliced onions and a consistent dusting of garlic powder. This setup ensures that the seasonings are distributed evenly throughout the dish, setting the foundation for a flavorful braise.
Verify that the ribs are securely positioned and that the ceramic insert is properly placed within the slow cooker housing before adding the sauce.
Slow braising
- Add sauce and cookPour the honey mustard sauce over the ribs and onions. Cover with the lid and cook on low heat for 8 hours (or high heat for 4 hours) until tender and the pork reaches at least 145°F (63°C), then allow the meat to rest for at least 3 minutes.Look for The sauce should be bubbling gently, and the aroma of the honey and mustard will fill the kitchen.Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)Tip Do not lift the lid during the first few hours of cooking to maintain a consistent temperature inside the slow cooker.
As the ribs cook, the kitchen will fill with the warm, savory-sweet aroma of the honey mustard and garlic. The sauce should be bubbling gently around the edges of the ribs, and the meat will begin to shrink slightly from the bone ends. Ensure the lid remains closed to maintain the necessary humidity and heat. Check the progress only after the minimum cooking time has elapsed to keep the internal temperature stable.
Final resting
- Rest and serveRemove the cooked sparerib sections carefully from the slow cooker. Arrange them onto a warm platter or wooden serving board along with the braised onions, and let them rest for 5 minutes so the flavorful juices settle before serving warm with the honey mustard glaze.Look for The meat should pull away slightly from the bone, and the sauce will have thickened into a rich, glossy glaze.Tip Use a pair of tongs to transfer the ribs to prevent them from falling apart before they reach the plate.
Upon completion, the ribs should look deeply glazed and tender. The sauce should have reduced to a thick, clinging consistency that coats the meat perfectly. Before serving, verify the internal temperature of 145°F (63°C) and allow the meat to rest on a platter. The ribs should appear moist, with the onions fully incorporated into the sauce, ready to be served hot.
Common mistakes
Avoid over-crowding the slow cooker, as this can prevent the heat from circulating properly and lead to uneven cooking. Do not be tempted to add too much extra liquid, as the onions and the pork will release significant moisture during the cooking process, which will thin out the honey mustard sauce.
Finally, remember to let the meat rest after cooking. Cutting into the ribs immediately after removing them from the slow cooker will cause the juices to escape, leaving you with dry meat instead of the succulent result you desire.
How to tell it’s done
The pork spareribs are done when the meat is exceptionally tender and pulls away easily from the bone with a fork. The internal temperature must reach at least 145°F (63°C) as measured with a digital meat thermometer inserted into the thickest part of the meat, avoiding the bone, followed by a rest of at least 3 minutes.
The honey mustard sauce should have thickened into a glossy, pourable consistency that clings to the ribs, and the onions should be completely soft and translucent. If the meat offers any resistance, continue cooking for an additional 30 minutes and recheck the temperature.
- Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)