Question: how long does it take to cook a 2 pound tenderloin?
Answer: For roasts that are 2 to 3 pounds, roast at 425°F for 35 to 40 minutes for medium rare, and 45 to 50 minutes for medium doneness. For tenderloin roasts weighing 4 to 5 pounds, roast at 425°F for 50 to 60 minutes for medium rare, and 60 to 70 minutes for medium.