How Long to Cook a 21 lb Turkey at 325 Degrees Fahrenheit?

Learn how long to cook a 21 lb turkey at 325°F for perfectly juicy, safe results. Rest time and temperature tips included.

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To cook a 21 lb turkey at 325 degrees, plan for approximately 4 to 5 hours. Start checking the internal temperature at 4 hours. The turkey is done when the thickest part of the thigh reaches 165 degrees Fahrenheit. Let it rest for about 20 minutes before carving. Use a meat thermometer for the most accurate results to ensure it’s fully cooked and safe to eat.

FAQs & Answers

  1. How do I know when my turkey is fully cooked? Use a meat thermometer to check the thickest part of the thigh; the internal temperature should reach 165 degrees Fahrenheit.
  2. Should I let the turkey rest before carving? Yes, letting the turkey rest for about 20 minutes allows the juices to redistribute for a juicier and easier-to-carve bird.
  3. Can I cook a turkey faster than the recommended time at 325°F? Cooking faster by increasing the temperature can lead to uneven cooking or dry meat. It’s best to follow recommended times for safe and juicy results.