Getting a perfectly roasted leg of lamb is easier than you think. From perfectly trussing the roast to getting the perfect sear, I’ll show you how to roast a leg of lamb to impress dinner guests.
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Leg of Lamb Roast

Getting a perfectly roasted leg of lamb is easier than you think. From perfectly trussing the roast to getting the perfect sear, I’ll show you how to roast a leg of lamb to impress dinner guests.

Course Main Dish
Cuisine American
Keyword how to roast a leg of lamb
Prep Time 10 minutes
Cook Time 1 hour 55 minutes
Total Time 2 hours 5 minutes
Servings 8 people
Calories 342 kcal
Author ijustmakesandwiches

Ingredients

  • 5 lb leg of lamb roast
  • To taste salt and pepper
  • 10 pieces of fresh rosemary
  • 10 cloves of garlic

Pesto

  • 1.5 ounces mint
  • .75 ounces basil
  • ¼ cup toasted almonds
  • 1/3 cup olive oil
  • 1 tbsp lemon juice

Instructions

  1. Preheat oven to 500 degrees. Liberally season lamb roast with salt and pepper. Truss with butchers twine to keep roast together tight.
  2. Next, create 10 slits within the roast to stuff rosemary and garlic in.
  3. Preheat a cast iron skillet over medium high heat with a small amount of oil in the pan. Next place trussed roast in skillet and begin to sear the lamb. Sear the first side of the lamb for about 5 minutes or until golden brown. Continue to sear all 4 sides in the pan.
  4. Drop the heat of the oven to 275 degrees and place roast in oven. Set timer for 1 ½ hours and check temperature. Pull at 125 for medium rare and 135 for medium and allow to rest for about 15-20 minutes before slicing into roast.

Pesto

  1. Toast almonds in a 350 degree oven for 5-7 minutes. In a food processor, process herbs, almonds, lemon and seasonings. Gently drizzle olive oil until well incorporated. Keep in an air tight container for up to 5 days.

Recipe Video

Nutrition Facts
Leg of Lamb Roast
Amount Per Serving (8 ounces)
Calories 342 Calories from Fat 171
% Daily Value*
Total Fat 19g 29%
Saturated Fat 4g 20%
Cholesterol 114mg 38%
Sodium 113mg 5%
Potassium 605mg 17%
Total Carbohydrates 3g 1%
Dietary Fiber 1g 4%
Protein 38g 76%
Vitamin A 8.1%
Vitamin C 5.9%
Calcium 6%
Iron 23.4%
* Percent Daily Values are based on a 2000 calorie diet.