How Long to Cook a 1.1 kg Roast at 180°C for Perfect Results

Learn how long it takes to cook a 1.1 kg roast at 180°C for medium rare and how to adjust cooking times for preferred doneness.

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To cook a 1.1 kg roast, the general guideline is to cook it at 180°C (350°F) for about 20 minutes per 500g, plus an additional 20-30 minutes. This would roughly equate to 1 hour and 40 minutes to 1 hour and 50 minutes. Always ensure that the internal temperature reaches 62°C (145°F) for medium rare, and adjust your cooking time if you prefer your roast more or less done.

FAQs & Answers

  1. How do I know when my 1.1 kg roast is cooked perfectly? The internal temperature should reach 62°C (145°F) for medium rare. Use a meat thermometer to check and adjust cooking time based on your desired doneness.
  2. Can I cook a 1.1 kg roast at a different temperature? Yes, you can adjust the temperature, but cooking time will vary. 180°C (350°F) is recommended for even cooking; lower temps will require longer cooking periods.
  3. How long does it take to cook a 1.1 kg roast for well done? For well-done roast, increase the internal temperature target to around 71°C (160°F), which will require additional cooking time beyond the standard 1 hour 40-50 minutes.

Watch More

For more helpful cooking tips and roasting guides, check out our videos on cooking different cuts of meat, how to use meat thermometers effectively, and recipes for the perfect roast dinner.

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