Pork Butt Vs Pork Shoulder: What's The Difference?

What is pork butt?

Pork butt (also called Boston butt or Boston shoulder) comes from the upper portion of the pig's front shoulder, above the picnic shoulder. The name is misleading: pork butt has nothing to do with the rear of the pig. The 'butt' refers to wooden butt barrels that colonial New England butchers used to pack and ship the cut, which became associated with Boston as a major shipping port. Pork butt is typically 6-10 pounds, with relatively uniform shape and substantial intramuscular fat (marbling) throughout. The cut includes the blade bone (scapula) running through the center, which can be removed for boneless cuts. Pork butt is the gold standard cut for pulled pork, slow-roasted shoulder, carnitas, and other barbecue preparations.

What is pork shoulder?

Pork shoulder technically refers to the entire front shoulder of the pig but in butcher terminology often means specifically the picnic shoulder, the lower portion below the pork butt. The picnic shoulder includes the arm bone and more connective tissue than pork butt. It's typically 6-8 pounds with irregular shape due to the bone structure. The picnic shoulder has skin attached (often used for cracklings) and more fat cap than pork butt. The meat is just as flavorful as pork butt but slightly tougher due to more connective tissue and exercise muscle. The picnic shoulder is excellent for slow cooking and braising but requires longer cooking times than pork butt to fully break down the connective tissue.

How do pork butt and pork shoulder compare?

Both cuts come from the same front shoulder region of the pig and produce similar results in slow-cooked applications, but with subtle differences. Pork butt has more uniform shape, more even marbling, and slightly more tender meat; this makes it the preferred choice for competition barbecue and standard pulled pork. Picnic shoulder has more connective tissue and skin, taking longer to cook (8-12 hours vs 6-8 hours for pork butt at 225 degrees F) but producing extra collagen-rich liquid that's excellent for sauces. Picnic shoulder typically costs slightly less per pound due to less consistent shape and presentation. Both cuts achieve the famous fall-apart pulled pork texture when slow-cooked to 200-205 degrees F internal temperature.

Can you substitute one for the other?

Yes, pork butt and picnic shoulder substitute for each other in nearly all slow-cooking and barbecue applications. For pulled pork, both produce excellent results; pork butt is slightly more forgiving for beginners. For carnitas, slow-roasted shoulder dishes, and braised pork, both work well. Adjust cooking time: picnic shoulder needs 1-2 hours longer than pork butt at the same temperature. Slow cooker recipes work with either cut; reduce to a 6-8 hour low setting regardless. For sandwiches and tacos, both produce similar pulled pork results. The naming confusion in grocery stores often labels picnic shoulder as 'pork shoulder' and Boston butt as 'pork butt'; check the bone structure if uncertain (picnic has the arm bone; butt has the blade bone).