Roast for 15 minutes; reduce heat to 325°F and roast approximately 1 hour for medium doneness (145°F on thermometer).
Peppercorn Beef Tenderloin Roast with Mushroom Cream Sauce https://www.mynourishedhome.com/peppercorn-beef-tenderloin-roast-with-mushroom-cream-sauce/ December 6, 2015