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How Long to Cook a 20 lb Turkey in a Roaster Oven?

Learn the perfect cooking time and temperature for a 20 lb turkey in a roaster oven, with tips for seasoning, temperature checks, and resting.

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Video transcript

Cooking a 20 lb turkey in a roaster generally takes about 3.5 to 4.5 hours. Preheat the roaster to 325°F. Place the turkey on the rack, ensuring it's thawed and seasoned. Follow internal temperature guidelines: the breast should reach 165°F and the thighs 175°F. Use a meat thermometer for accuracy. Baste occasionally for moisture, and let it rest for 20 minutes after cooking before carving.

Questions and answers

  1. What temperature should a turkey be cooked to in a roaster?

    The turkey breast should reach an internal temperature of 165°F, and the thighs should be cooked to 175°F for safe and juicy results.

  2. How often should you baste a turkey when cooking in a roaster?

    Baste the turkey occasionally during cooking to keep it moist, typically every 45 minutes to an hour.

  3. Can I cook a frozen turkey in a roaster oven?

    It is recommended to fully thaw the turkey before cooking in a roaster oven to ensure even cooking and proper temperature achievement.

  4. Why should I let the turkey rest after cooking?

    Letting the turkey rest for about 20 minutes after cooking allows the juices to redistribute, making the meat more tender and easier to carve.

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For more detailed guides on cooking poultry and other holiday recipes, explore our videos on turkey seasoning techniques, roasting vegetables, and carving tips to elevate your festive meals.