How Long Should You Roast Beef Per Kg for Perfect Results?

Learn the ideal roasting times and temperatures per kg to cook perfect medium or well-done beef with resting tips.

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To roast beef perfectly per kg, you should cook it at 240°C/220°C fan/gas 9 for 20 minutes, then lower the temperature to 190°C/170°C fan/gas 5 and cook for 20 minutes per 450g for medium. For a more well-done finish, extend the time. Let it rest for at least 20 minutes before carving for the best texture.

FAQs & Answers

  1. What temperature should I roast beef at per kg? Start roasting beef at 240°C (220°C fan/gas 9) for 20 minutes, then lower to 190°C (170°C fan/gas 5) and continue cooking per weight for optimal results.
  2. How long do I roast beef for medium doneness? After the initial high-temperature roast, cook beef for 20 minutes per 450g at the lower temperature to achieve medium doneness.
  3. Should I let beef rest after roasting? Yes, letting roast beef rest for at least 20 minutes before carving ensures better texture and juiciness.
  4. How do I adjust roasting time for well-done beef? To achieve well-done beef, extend the cooking time beyond the medium doneness guidelines while maintaining the lower roasting temperature.