How Long Does It Take to Cook Roast Beef to Medium-Rare?

Learn the ideal cooking times and temperatures for roast beef to achieve a perfect medium-rare finish every time.

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Cooking a roast beef depends on the size of the roast and your desired doneness. For a medium-rare finish, which is often preferred, aim for an internal temperature of 135°F. As a general guideline, roast your beef for 20 minutes at 450°F, then lower the heat to 350°F, continuing to cook for about 15 minutes per pound. Always let it rest for at least 15 minutes before slicing to ensure juicy, flavorful meat.

FAQs & Answers

  1. What is the best temperature to cook roast beef? For a medium-rare roast beef, aim for an internal temperature of 135°F. Start cooking at 450°F for 20 minutes, then reduce to 350°F for about 15 minutes per pound.
  2. How long should roast beef rest before slicing? Let the roast beef rest for at least 15 minutes after cooking. This helps the juices redistribute, resulting in juicier and more flavorful meat.
  3. How do I know when roast beef is perfectly cooked? Use a meat thermometer to check the internal temperature. For medium-rare, target 135°F. Cooking times vary by size, but the temperature ensures doneness.