Roasting Leg of Lamb

Learn how to roasting leg of lamb perfectly with our detailed guide, including timing, temperature, and expert tips.

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50min - 2h
Cook Time
2-6 lb / 1-2.5 kg
🌡️
345°F / 175°C
Oven Temperature
⚖️
0.3 lb / 5 oz / 140 g
Portion Weight
Per adult serving
135-160°F / 55-70°C
Internal Temperature
Medium Rare to Well Done

Step-by-Step Instructions

  1. 1Remove lamb from refrigerator 1 hour before cooking
  2. 2Preheat oven to 450°F / 230°C
  3. 3Score fat in crosshatch pattern
  4. 4Stud with garlic slivers if desired
  5. 5Rub with olive oil, salt, pepper, and herbs
  6. 6Sear in hot pan or roast at high heat 20 minutes
  7. 7Reduce heat to 350°F / 175°C
  8. 8Roast 1h30min - 2h30min depending on weight (5-10 lb / 2.5-4.5 kg) for medium-rare
  9. 9Check internal temperature reaches 130°F / 55°C for medium-rare
  10. 10Rest 20 minutes before carving

Expert Tips for Roasting

  • 💡Use meat thermometer for accuracy
  • 💡Rest is crucial for juicy meat
  • 💡Save pan drippings for gravy
  • 💡Mint sauce is traditional accompaniment

Leg of Lamb Temperature Guide

DonenessTemperatureDescription
Medium Rare135°F / 55°CWarm red center, tender and flavorful
Medium145°F / 65°CPink center, slightly firmer texture
Well Done160°F / 70°CBrown throughout, firm texture

Leg of Lamb Safety Guidelines

Important food safety practices when handling and cooking leg of lamb.

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Cook to proper internal temperature

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Use food thermometer

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Remember

When in doubt, use a food thermometer. It's the only reliable way to ensure your leg of lamb is safely cooked and delicious.