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roasted leg of lamb on a platter with vegetables and gravy

Roasted Boneless Leg of Lamb

Diana Rattray
Make a show-stopping meal with a perfectly roasted boneless leg of lamb. This recipe is sure to impress your guests.
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Servings 8 servings
Calories 216
Prep Time 20 minutes
Cook Time 1 hour 45 minutes
Total Time 2 hours 5 minutes

Ingredients
  

  • 4 pounds leg of lamb, boneless
  • 2 cloves garlic, cut into slivers
  • 1 clove garlic, minced
  • 2 tbsp lemon juice
  • 1 tbsp olive oil
  • 2 tbsp fresh chopped rosemary
  • 2 tsp fresh chopped thyme
  • 1 ½ tsp kosher salt
  • ½ tsp freshly ground black pepper

For the Optional Gravy

  • 3 tbsp pan drippings
  • 3 tbsp flour
  • 2 cups lamb or beef stock
  • Salt and freshly ground black pepper, to taste

Instructions

  • Heat the oven to 450°F and place a rack in a roasting pan.
  • Dry the lamb with paper towels and remove any excess fat. With a small, sharp knife, cut very small slits evenly over the surface of the lamb. Insert the garlic slivers into the slits.
    4 pounds leg of lamb | 2 cloves garlic, cut into slivers
  • In a small bowl, combine the minced garlic with the lemon juice, olive oil, rosemary, thyme, salt, and pepper.
    1 clove garlic, minced | 2 tbsp lemon juice | 1 tbsp olive oil | 2 tbsp fresh chopped rosemary | 2 tsp fresh chopped thyme | 1 1/2 tsp kosher salt | 1/2 tsp freshly ground black pepper
  • Rub the garlic and herb mixture over the surface of the lamb.
  • Tie the lamb with kitchen twine in several places to hold it together and place it on the rack in the roasting pan.
  • Tip: For the most even cooking, let the lamb sit at room temperature for 30 to 45 minutes before roasting.
  • Roast the lamb for 10 minutes at 450°F, then turn the oven down to 350°F. Continue roasting for 20 to 25 minutes per pound. Look for an internal temperature of 130°F for medium-rare or 140°F for medium (the temperature will rise about 5 degrees or so when rested).
  • Tip: Start checking the internal temperature early, since boneless roasts can cook faster or slower depending on thickness and shape.
  • Remove the roast and let it rest for 10 to 15 minutes before carving.

Optional Gravy

  • Remove all but 3 tablespoons of drippings from the roasting pan.
    3 tbsp pan drippings
  • Place the roasting pan over low heat. Add 3 tablespoons of flour to the pan and cook, stirring, for 2 minutes.
    3 tbsp flour
  • Gradually whisk in 2 cups of lamb or beef stock. Continue whisking scraping up any browned bits, until the gravy simmers and thickens.
    2 cups lamb or beef stock
  • Taste and season with salt and pepper as needed.
    Salt and freshly ground black pepper

Nutrition

Calories: 216kcalCarbohydrates: 4gProtein: 30gFat: 8gSaturated Fat: 3gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gCholesterol: 91mgSodium: 877mgPotassium: 424mgFiber: 0.1gSugar: 1gVitamin A: 188IUVitamin C: 2mgCalcium: 12mgIron: 3mg

Disclaimer:

Our nutritional information is based on a third-party application that analyzes the ingredients list to determine the values. The information is meant to be helpful, but should be considered an estimate. Values may differ depending on measurements, brands, serving variations, and database availability.

Keyword boneless lamb, leg of lamb
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