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Perfectly roasted Classic Roast Leg of Lamb with vegetables, ready to serve.

Classic Roast Leg of Lamb

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This Classic Roast Leg of Lamb recipe delivers tender, juicy meat with a crispy golden-brown crust, infused with aromatic herbs and garlic. Perfect for special occasions or Sunday dinners, this succulent dish is sure to impress your guests.

  • Total Time: 2 hours 20 minutes

Ingredients

Scale
  • 1 (5-6 lb) bone-in leg of lamb
  • 4 cloves garlic, minced
  • 2 tbsp fresh rosemary, chopped
  • 2 tbsp fresh thyme, chopped
  • 1 tbsp Dijon mustard
  • 2 tbsp olive oil
  • 1 tsp salt
  • 1 tsp black pepper
  • 1 lb baby potatoes, halved
  • 2 carrots, chopped
  • 1 onion, quartered
  • 1 cup beef or lamb stock

Instructions

  1. Preheat oven to 350°F (175°C). Pat lamb dry and rub with herb paste (garlic, rosemary, thyme, mustard, olive oil, salt, and pepper).
  2. Arrange vegetables in roasting pan, drizzle with oil, and place lamb on top.
  3. Pour stock into pan and roast for 1.5-2 hours until internal temperature reaches 135°F (medium-rare) or 145°F (medium). Baste occasionally.
  4. Rest lamb for 15-20 minutes before carving against the grain. Serve with roasted vegetables and pan juices.

Notes

  • Bring lamb to room temperature before roasting for even cooking.
  • Use a meat thermometer to avoid overcooking.
  • Let lamb rest before carving to retain juiciness.
  • For extra crispiness, broil for the last 5 minutes.
  • Prep Time: 20 minutes
  • Cook Time: 2 hours

Nutrition

  • Serving Size: 1 slice (6 oz)
  • Calories: 380 Kcal
  • Sugar: 2g
  • Sodium: 420mg
  • Fat: 22g
  • Saturated Fat: 8g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 2g
  • Protein: 35g
  • Cholesterol: 120mg