Preheat oven to 350 degrees. Rub pork with salt and pepper. Brown pork on all sides in skillet sprayed with cooking spray. Transfer to rack in shallow roasting pan. In small bowl mix together applesauce and mustard; stir well. Spread applesauce mixture over roast. Lay rosemary sprigs across top. Bake @ 350 uncovered 2 - 2 1/2 hrs or until meat thermometer tests done (inside temp about 160). Let rest 10-15 minutes before slicing.