Place the pork roast on a warm platter and let it rest in a warm place for 10 to 20 minutes before carving. Don’t cover the roast as any steam coming from the resting pork will soften the skin, which will have crisped into “cracklings.” And you don’t want to lose that!
If you’re the sort who prefers extra-crisp cracklings, while the pork roast is cooling, remove the entire portion of skin from the pork loin, cover the pork loin with foil, and place the skin on the baking sheet or the roasting pan and either crank the oven to 425°F (220°C) and give the cracklings a quick blast under your broiler while the pork rests.