3 mortadella rosemary roasted Recipes

whole black peppercorns, kosher salt, garlic cloves, unsalted butter, softened, center-cut boneless pork loin roast (4 to 5 inches in diameter), trimmed, leaving a 1/4-inch layer of fat if possible, black truffle butter*, softened, sliced mortadella, boiling potatoes (preferably yellow-fleshed), extra-virgin olive oil, chopped fresh rosemary, black pepper, chicken broth, water, cornstarch, black truffle butter

whole black peppercorn, kosher salt, garlic, unsalted butter, softened, center-cut boneless pork loin roast , 4 to 5 inches in diameter,trimmed,leaving a 1/4 inch layer of fat if possible, black truffle butter, softened, sliced mortadella, red potatoes, extra virgin olive oil, chopped fresh rosemary, black pepper, mushrooms, thinly sliced (i used white), chicken broth, water, cornstarch, black truffle butter