Prep Time: 10 minutes
Cook Time: 75 minutes
Total Time: 85 minutes
Servings: 12
Preheat oven to 450°F.
Combine herbs, salt, pepper and dry mustard in a small bowl.
Place tenderloin on rack in shallow roasting pan; rub seasonings evenly onto beef.
Roast for 15 minutes; reduce heat to 325°F and roast approximately 1 hour for medium doneness (135-140°F on thermometer).
Remove from oven, tent loosely with foil and rest 15 minutes before carving.