Spiced BBQ Ribs with Mashed Potatoes turn a hearty comfort-food dinner into a surprisingly manageable meal, with tender pressure-cooked pork, a sweet and smoky spice crust, sticky honey barbecue sauce, and creamy garlic potatoes served alongside.
This is a great dinner when you want ribs with plenty of flavor without spending hours slowly roasting them in the oven. The pressure cooker does most of the tenderizing, while a quick trip under the broiler gives the barbecue sauce that glossy, caramelized finish you expect from great ribs.
The mashed potatoes are an especially good match for the bold seasoning. Butter, cream, garlic, and black pepper create a rich, savory base that balances the sweet barbecue glaze. Better yet, you can cook the potatoes while the ribs are in the Instant Pot, so both parts of dinner come together without complicated timing.
Spiced BBQ Ribs with Mashed Potatoes Ingredients
Pork ribs: Two racks totaling about four pounds provide enough meat for a generous family-style main course. Removing the membrane from the underside helps the seasoning penetrate and makes the finished ribs more pleasant to eat.
Brown sugar: Adds sweetness to the dry rub and helps balance the mustard, cumin, chili powder, and salty seasonings.
Paprika and chili powder: Give the ribs warm color and a mild barbecue-style spice profile without making the dish overwhelmingly hot.
Ground mustard and cumin: Add savory depth and a slightly earthy flavor that keeps the rub from tasting simply sweet.
Onion powder and Italian seasoning: Build another layer of aromatic flavor throughout the seasoning mixture.
Garlic salt, seasoned salt, and seasoned pepper: Season the pork throughout and provide the salty, peppery backbone of the dry rub.
Chicken broth: Creates the flavorful liquid needed for pressure cooking while keeping the ribs elevated above the liquid on the trivet.
Red wine vinegar: Adds acidity to the braising mixture, helping balance the richness of the pork and sweet barbecue glaze.
Honey barbecue sauce: Forms the sticky finishing glaze. A honey-style sauce works especially well because its sugars caramelize quickly beneath the broiler.
White potatoes: Russet, Idaho, or another fluffy potato variety produces soft mashed potatoes that readily absorb the butter and cream.
Butter and heavy cream: Give the potatoes their rich, smooth texture.
Fresh garlic, garlic salt, and black pepper: Turn otherwise simple mashed potatoes into a savory side with enough flavor to stand beside the seasoned ribs.
How to Make This Spiced BBQ Ribs with Mashed Potatoes
STEP 1: Combine the brown sugar with the paprika, cumin, mustard, chili powder, onion powder, Italian seasoning, garlic salt, seasoned salt, and seasoned pepper. Mix thoroughly so the brown sugar breaks apart and the seasonings are evenly distributed.
STEP 2: Check the underside of the rib racks for the thin membrane. Peel it away if necessary, then pat the ribs dry. Coat both sides generously with the prepared seasoning mixture, pressing the rub onto the surface so it stays in place while the ribs cook.
STEP 3: Pour the chicken broth and red wine vinegar into the Instant Pot and place the trivet inside. Arrange the rib racks on the trivet, curving them around the sides of the pot as needed. Seal the lid and pressure-cook on the manual or high-pressure setting for 25 minutes.
STEP 4: Allow the pressure to release naturally when cooking is complete. Avoid immediately venting the pot, since the slower release gives the ribs time to settle and helps preserve their tender texture. Once the pressure indicator drops completely, carefully remove the lid and transfer the racks to a foil-lined baking dish.
STEP 5: While the ribs cook, cover the peeled and quartered potatoes with cold salted water. Bring them to a boil and cook for roughly 15 to 20 minutes, or until a fork slides easily into the centers. Drain most of the cooking water, leaving just a small amount behind if you want extra moisture while mashing.
STEP 6: Mash the hot potatoes, then work in the butter, heavy cream, fresh garlic, coarse garlic salt, and black pepper. Continue mixing until the butter melts and the potatoes reach a creamy consistency. Cover them and keep them warm on very low heat while you finish the ribs.
STEP 7: Brush the cooked ribs generously with honey barbecue sauce. Place them beneath a preheated broiler for about 5 to 6 minutes, watching carefully as the sauce bubbles and caramelizes. Remove the ribs before the glaze begins to burn, then add another light coating of sauce if you prefer an extra-sticky finish.
STEP 8: Let the glazed racks rest briefly before cutting between the bones. Spoon the warm garlic mashed potatoes onto plates and serve the ribs alongside or partially over the potatoes, with additional barbecue sauce at the table if desired.
Recipe Tips
- Watch the broiler closely. Honey barbecue sauce contains plenty of sugar, so the difference between caramelized and scorched can be only a minute or two.
- Use the fork test for the potatoes. Properly cooked potatoes should mash with very little resistance. Undercooked pieces can leave hard lumps in the finished potatoes.
- Adjust the cream gradually. Potato moisture varies, so add a little additional cream only when needed rather than making the mash too loose.
How do I know when pressure-cooked ribs are tender?
After 25 minutes at pressure followed by a full natural release, the ribs should be very tender but still manageable enough to transfer to a baking dish. The meat should yield easily when pierced, and you may notice it beginning to pull slightly away from the ends of the bones.
Do I have to remove the membrane from pork ribs?
Removing it is strongly recommended. The membrane can remain chewy even after the meat becomes tender, and it also prevents some of the spice rub from reaching the underside of the ribs. Once you loosen an edge, a paper towel can help you grip and pull it away.
Can I make the ribs ahead of time?
Yes. Pressure-cook the ribs in advance, let them cool, and refrigerate them before adding the final barbecue glaze. When you are ready to serve, brush them generously with sauce and broil until heated through and caramelized. This makes the recipe useful for dinners when you want to minimize last-minute prep.
Can I use half-and-half instead of heavy cream in the mashed potatoes?
Half-and-half works well if you want slightly lighter mashed potatoes. Start with a little less than you think you need, mash thoroughly, and add more gradually until the potatoes are smooth. Warm dairy also incorporates more easily than cream taken directly from the refrigerator.
Why should I naturally release the pressure?
A natural release allows the temperature and pressure inside the cooker to decrease gradually. For ribs, that gentler transition helps keep the meat tender and reduces the chance of the juices being forced out too quickly. Wait until the cooker has completely depressurized before opening the lid.
Perfect Pairings
Garlic toast: Crisp, buttery toast works especially well with the barbecue sauce and gives you something to scoop up extra mashed potatoes.
Simple green beans: Their lighter flavor provides a useful contrast to the rich pork and creamy potatoes without competing with the spice rub.
Crunchy coleslaw: A cool, crisp slaw adds freshness and acidity, making it especially useful when serving these ribs as part of a larger barbecue-style meal.
Keeping Leftovers Fresh
Allow leftover ribs and mashed potatoes to cool before transferring them to separate airtight containers. Refrigerate both for up to 3 to 4 days. Keeping the ribs separate from the potatoes makes reheating easier and prevents extra barbecue sauce from soaking into the mash.
For the ribs, cover them loosely with foil and reheat in a moderate oven until warmed through. Brush on a small amount of additional barbecue sauce before heating if they look dry. You can finish them briefly under the broiler again to restore some of the sticky exterior, but watch closely because the sauce can burn.
Reheat mashed potatoes gently on the stovetop or in the microwave. Stir in a splash of cream or milk as they warm to restore their soft consistency. Heating them gradually and stirring occasionally helps prevent the potatoes from drying out.
The cooked ribs can also be frozen for about 2 to 3 months. Wrap them securely and place them in a freezer-safe container before freezing. For the best texture, thaw them overnight in the refrigerator before reheating and glazing. Mashed potatoes can be frozen as well, although their texture may require extra butter or cream after thawing to become smooth again.
Spiced BBQ Ribs with Mashed Potatoes
Ingredients
Spice Rub
- 1 tablespoon onion powder
- 2 tablespoons packed brown sugar
- 1 teaspoon ground cumin
- 1 tablespoon Italian herb seasoning
- 1 teaspoon chili powder
- 1 tablespoon ground mustard
- 1 tablespoon paprika
- 1 teaspoon seasoned pepper
- 1 tablespoon garlic salt
- 1 tablespoon seasoned salt
Ribs and Braising Mixture
- ½ cup red wine vinegar
- 2 racks pork ribs approximately 4 pounds altogether
- 2 cups chicken broth such as Swanson
Barbecue Glaze
- 2 cups honey-style barbecue sauce such as Sweet Baby Ray’s
Mashed Potatoes
- 1 tablespoon minced fresh garlic
- ½ cup heavy cream
- 1 teaspoon coarsely ground black pepper
- 3 –4 pounds white potatoes such as Idaho or Russet potatoes, peeled and quartered
- 1 stick unsalted butter such as Kerrygold
- 1 tablespoon coarse garlic salt
- 2 tablespoons salt
Instructions
- Place the brown sugar, garlic salt, seasoned salt, seasoned pepper, onion powder, chili powder, ground mustard, paprika, Italian seasoning, and cumin in a small bowl. Stir thoroughly until the seasonings are evenly blended. Reserve this mixture for coating the ribs.
- Inspect the underside of each rack and confirm that the membrane has been removed. If it remains attached, loosen one corner, grip it securely, and carefully peel it away.
- Coat both surfaces of the ribs generously with the prepared spice mixture. Press the seasoning firmly against the meat so it adheres well.
- Pour the chicken broth and red wine vinegar into the Instant Pot. Position the metal trivet inside the pot, then arrange the seasoned rib racks over the trivet. Curve the racks around the interior of the pot if necessary to make them fit.
- Lock the lid into position and turn the pressure valve to SEALING. Select the MANUAL setting and pressure-cook the ribs for 25 minutes.
- When the cooking cycle finishes, allow the pressure to release naturally until the pot has completely depressurized. This gradual release helps maintain the ribs’ tenderness.
- After the pressure has fully released and the lid can be opened safely, carefully transfer the cooked ribs to a baking dish lined with foil.
- Brush the ribs liberally with the honey barbecue sauce, coating all exposed surfaces.
- Place the glazed ribs beneath the oven broiler for 5–6 minutes, or until the barbecue sauce is bubbling and develops a caramelized finish.
- Remove the ribs from the oven. If preferred, brush on another layer of barbecue sauce immediately after broiling for a richer and stickier coating.
- While the ribs are pressure-cooking, peel the potatoes and cut them into chunks. Transfer them to a large pot or roaster and add enough cold water to cover them.
- Stir 2 tablespoons of salt into the water and bring it to a boil over high heat. Cook the potatoes for approximately 15–20 minutes, or until they are easily pierced with a fork.
- Drain away most of the cooking water, retaining roughly one-quarter of the water in the pot with the potatoes to assist with mashing.
- Mash the hot potatoes with a potato masher. Add the butter, minced garlic, heavy cream or half-and-half, coarse garlic salt, and coarsely ground black pepper.
- Mix thoroughly until the butter has melted, the seasonings are evenly incorporated, and the potatoes have developed a creamy consistency.
- Cover the potatoes and keep them warm over the lowest stove setting until ready to serve.
- Spoon the creamy mashed potatoes onto serving plates and arrange portions of the caramelized barbecue ribs over or alongside them.
- Serve additional barbecue sauce on the side if desired. Garlic toast may also be served as an accompaniment.
Notes
- Swanson chicken broth may be used for a consistent flavor, while Sweet Baby Ray’s honey barbecue sauce works well for the glaze. Kerrygold unsalted butter may be used in the mashed potatoes.
- For an especially glossy, sticky barbecue finish, apply an additional coating of sauce immediately after the ribs come out from under the broiler.
- If the mashed potatoes appear too dry, incorporate a small additional splash of cream until the desired smooth consistency is reached.