How Long to Roast 1.5 kg Beef for Perfect Medium-Rare?

Learn how long to roast 1.5 kg of beef at 190°C/375°F to achieve a perfect medium-rare finish with resting tips.

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To roast 1.5 kg of beef, preheat your oven to 240°C (475°F, gas mark 9), then lower to 190°C (375°F, gas mark 5) after placing the beef inside. For medium-rare, roast for approximately 20 minutes per 450g/1lb plus an additional 20 minutes. This totals around 1 hour and 40 minutes. Let it rest for at least 20 minutes before carving to ensure a juicy, tender roast.

FAQs & Answers

  1. What oven temperature is best for roasting beef? Preheat the oven to 240°C (475°F) before lowering it to 190°C (375°F) for roasting beef to get an even cook.
  2. How long should beef rest after roasting? Let the beef rest for at least 20 minutes after roasting to allow juices to redistribute and ensure a tender, juicy roast.
  3. How do I know when my beef is medium-rare? Roast 1.5 kg of beef at 190°C (375°F) for about 1 hour and 40 minutes, which approximates 20 minutes per 450g plus 20 minutes, for a medium-rare doneness.