Short ribs and spare ribs sit beside each other on barbecue menus, so it’s easy to assume you’re choosing between two versions of the same cut. You’re not. One comes from beef and the other is usually pork, and the differences go beyond the animal. Their size, fat, cut, and cooking time can change what happens once they hit the grill. With one type of short rib, a few minutes can be enough. With another, that same approach can leave you chewing tough meat.
Knowing what you’re buying before the grill gets hot makes choosing the cooking method much easier.
Short ribs are beef, spare ribs are pork
Short ribs come from cattle, with the meat cut from the chuck or plate area around the lower rib cage.
Spare ribs sold in American butcher shops and barbecue restaurants usually come from pigs. They’re cut from the belly and side area near the section used for bacon.
That helps explain their rich, fatty character.
The difference is easy to see once they’re side by side. Pork spare ribs come as a long, relatively flat rack containing multiple bones. Beef short ribs are thicker and can contain a substantial block of meat around each bone.
The way short ribs are cut changes how you cook them
Knowing that short ribs are beef isn’t enough. Check the cut.
English-cut short ribs are sliced between the bones, leaving thick pieces of beef attached to individual bones.
That thickness needs time.
Treat one like a thin steak over direct heat and the connective tissue doesn’t have enough time to break down. English-cut short ribs are better suited to hours of slower cooking over indirect heat.
Flanken-cut short ribs are different.
Instead of cutting between the bones, the butcher slices across them. The result is a thin strip of beef containing several small sections of bone.
Those thin pieces can cook in minutes rather than hours. Marinate them and grill over medium-high heat for around two to three minutes per side.
Same part of the animal, very different grilling plan.
Spare ribs need low heat and time
Pork spare ribs contain plenty of fat and connective tissue, making slow cooking a better match.
Keep the heat around 225°F to 275°F and expect the ribs to need several hours rather than several minutes.
Depending on the rack and cooking conditions, that can mean roughly three to six hours.
Instead of relying on the clock alone, lift the rack with tongs. When it bends and the surface begins cracking across the top, the ribs are approaching the texture you’re looking for.
St. Louis ribs are spare ribs too
A full rack of spare ribs includes cartilage, rib tips, and the breastbone area.
St. Louis-style ribs start with that same rack but remove those irregular sections, leaving a cleaner rectangular shape. The uniform rack can cook more evenly and is easier to portion.
Kansas City-style trimming may leave more of the rack intact.
They’re variations of pork spare ribs rather than entirely different ribs.
Watch the label at the meat counter
One label can make things confusing: beef spare ribs.
That name may be used for beef back ribs, which come from higher on the animal near the prime rib. They aren’t the same as the thick beef short ribs cut from the chuck or plate.
Look at more than the word “ribs” on the package. Check whether you’re buying beef or pork and, for beef short ribs, whether they’re English-cut or flanken-cut.
Short ribs and spare ribs may share a name, but that’s where the easy comparison ends. Pork spare ribs want hours of low heat. Thick English-cut beef short ribs also need patience, while thin flanken short ribs can go from raw to grilled in minutes. Know which one is in the package before you light the grill.
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