Preheat oven to 500 degrees.
Roll roast in peppercorns and season with pepper if desired.
Place in baking dish, then in preheated oven.
Bake 5 to 6 minutes per pound.
Turn oven off and leave roast in oven for 2 more hours.
DO NOT OPEN OVEN DURING THIS TIME.
Bake uncovered for medium done roast.