A 4- to 5-pound pork shoulder is probably going to be too big to fit in a 6-quart pressure cooker because the pot is narrow and tall. (And the frozen roast will not let you bend or squish it to fit.) ...

Using a pressure cooker, a joint of pork takes just over an hour to become beautifully fork-tender. Here it’s cooked with a rich barbecue sauce, heady with paprika and spices. Put all the ...