Iberico Shoulder Roast aka "Boston Butt"berico Shoulder Roast Big Flavor, Slow Raised Also known as the Boston Butt, this cut is the pride of the pit and the heart of true, slow cooked pork. Our Iberico Shoulder Roast comes from heritage Spanish pigs raised free to roam and root through pasture and woods right here at Iberico Acres. Alongside their natural forage, theyre fed a clean blend of barley, oats, alfalfa, and sorghumfinished on acorns when nature provides. This shoulder is marbled