Natural form

A full rack of raw pork spare ribs showing marbling, connective tissue, and bone structure.

Shows the uncooked rack's distinctive shape, fat marbling, and bone arrangement so readers can identify spare ribs at the butcher.

Proteins

Pork Spare Ribs

Fatty, flavorful pork rib rack, slow-cooked, smoked, or braised until tender.

Pork spare ribs are cut from the lower belly side of the rib cage, meatier and fattier than baby back ribs. They are slow-smoked, roasted, braised, or steamed with black bean sauce across barbecue and Asian kitchens. The marbling and connective tissue break down with low, slow cooking into tender, juicy meat.

Pork spare ribs come from the lower rib cage section of the pork belly, below the loin and above the breastbone. Unlike the leaner baby back ribs cut from the loin, spare ribs are attached to the belly meat and carry a substantial layer of fat and connective tissue that runs between 30–40% fat by weight. This fat is not a flaw—it is what makes spare ribs forgiving to cook and what delivers their deep, rich pork flavor. The high collagen content transforms into gelatin during long, slow cooking, giving the finished ribs their silky, unctuous texture.

A full rack typically contains 11–13 bones and weighs 2–3 pounds raw, yielding about 50–60% that weight when properly cooked. The translucent silverskin (peritoneum) on the bone side must be removed before cooking; it stays rubbery when exposed to heat and prevents rubs, marinades, or sauces from penetrating the meat. When buying, select ribs with firm, pinkish-red meat and white fat, avoiding yellow fat, which signals an older or boar pig. Spare ribs are among the most versatile cuts in barbecue and braising, rewarding patience with results that loin cuts simply cannot match.

Measured in: g
Storage: Fridge

Types & varieties

St. Louis-style spare ribs

Trimmed rectangular cut with sternum, skirt meat, and cartilage removed for uniform shape; most common in competitions and retail

Kansas City-style spare ribs

Full, untrimmed rack including skirt flap and breast cartilage; fuller flavor from additional connective tissue and fat

Sparerib tips

Meaty portion cut from the breastbone end; often sold separately for high meat-to-bone ratio

Country-style pork ribs

Misleading name: actually cut from the blade end of the loin (shoulder), not the belly; meatier and leaner with larger bones

Fresh vs. cured/smoked

Fresh is raw and requires cooking; cured and smoked spans are pre-cooked and ready to heat

St. Louis Cut Ribs

Spare ribs trimmed to a flat, even rack (sternum and skirt removed). Meatier than baby backs; ideal for low-and-slow smoking or braising until the meat pulls from the bone.

Common uses

Low-and-slow smoking for authentic barbecueIndirect-grill cooking with dry rub or sauceOven-roasting with dry brine or marinadeBraising in liquid (stock, beer, cider) for tender, pull-apart meatBraising in Asian-style sauces (soy, hoisin, ginger)Grilling with periodic basting for lacquered finishPressure cooking for weeknight tenderness in 45–60 minutes

Tips & pitfalls

Remove the silverskin (membrane) on the bone side before cooking; it stays rubbery when cooked and prevents rub or sauce from penetrating
Apply dry rub the night before and refrigerate uncovered; the surface dries out and the meat absorbs flavor better
The 3-2-1 method (3 hours smoke, 2 hours wrapped in foil with liquid, 1 hour unwrapped with sauce) produces fall-off-the-bone ribs but can over-render the meat; check at 2–2.5 hours into the wrap phase
Wrap ribs in butcher paper during the stall (around 160°F) to push through faster than foil, which steams and can make the meat mushy
Rest ribs 10–15 minutes after cooking; cutting immediately causes significant juice loss
For crisp bark, uncover ribs for the final 15–20 minutes of cooking
Use a dedicated rib rack to fit multiple racks in a standard grill or oven
Avoid opening the grill or oven door frequently during smoking; each opening drops temperature and extends cooking time

Nutrition

152kcal

Energy

636 kJ · per 100 g

Where the calories come from

Protein 60%Carbs 0%Fat 40%

Protein

21.8g

44% DV

Carbs

0% DV

Fat

6.5g

8% DV

Fiber

0% DV

Sugars

of which

Sodium

45mg

2% DV

Notable micronutrients

Thiamin (B1)71% DV

Selenium64% DV

Niacin (B3)31% DV

Vitamin B628% DV

Vitamin B1222% DV

Riboflavin (B2)21% DV

Source · USDA FoodData Central · Pork, fresh, loin, center rib (chops or roasts), boneless, separable lean only, raw

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In the shops

Matched grocery products

Pork Lard
Hacendado · 220 g · Mercadona
€2.20
Pork Stew
BONPREU · ud · Bonpreu
€3.40
Lean Pork
BONPREU DE L'ERA · ud · Bonpreu
€3.45
Pork Spine
300 g · Mercadona
€2.10
Diced Pork
560 g · Mercadona
€3.22
Pork Pluma
300 g · Mercadona
€3.75

Good to know

Cut location: Lower rib cage section of the pork belly, below the loin, above the breastbone
Ribs per rack: Typically 11–13 bones
Fat content: High; 30–40% fat by weight, higher than baby back ribs
Collagen content: High; converts to gelatin during long, low-temperature cooking
Raw weight (full rack): 2–3 pounds (0.9–1.4 kg)
Cooked yield: Approximately 50–60% of raw weight after rendering and shrinkage
Safe internal temp: 145°F (63°C) minimum; ideal tenderness at 190–203°F (88–95°C)
Refrigerator storage: 32–40°F (0–4°C), 3–4 days
Freezer storage: 0°F (-18°C) or below, 4–6 months
Best temperature (smoking/BBQ): 225–250°F (107–121°C)
Typical cooking time: 4–6 hours at 225°F for smoking; 2.5–3.5 hours at 300°F oven-braised
Difficulty: Beginner-friendly due to high fat content forgiving overcooking

Substitutes

Baby back ribs — From the loin, higher on the pig; leaner with curved bones; cook 1–1.5 hours less; use 1.5 racks baby back per 1 rack spare ribs in recipes
Pork belly — Same primal cut but boneless; excellent braised or roasted; lacks rib character but similar fat content and flavor
Beef short ribs — From the brisket plate or chuck; much longer cook time required; different flavor profile but similar texture outcome

Pairs with

Brown sugar, paprika, garlic powder, onion powder, cayenneTomato-based barbecue sauce (ketchup, molasses, vinegar, Worcestershire)Apple cider vinegar, mustard, brown sugarSoy sauce, hoisin, honey, rice vinegar, five-spice, gingerGochujang, sesame oil, garlic, brown sugarColeslaw, baked beans, cornbread, potato saladCharred corn, pickled vegetables, fresh herbs (cilantro, mint)

Also called

Pork Spareribs · Spare Ribs · Pork Rib