known as Boston butt, pork butt or just butt, and the lower portion, called the picnic shoulder, blade roast or picnic roast. They all can be labeled pork shoulder and they all work in this recipe.

because preserved pork shoulders were shipped in the colonial era from Boston in barrels with the size designation “butt.” The lower part is (more obviously) labeled shoulder, shoulder roast ...

because preserved pork shoulders were shipped in the colonial era from Boston in barrels with the size designation “butt.” The lower part is (more obviously) labeled shoulder, shoulder roast ...