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Smoked Leg of Lamb

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Are you ready to try a truly sensational dish? Well, this smoked leg of lamb will undoubtedly do the trick. Infused with zesty lemon, fragrant herbs, and savory garlic, every bite of this succulent will tantalize your taste budsWhether you’re hosting a holiday feast or a Sunday dinner with loved ones, this dish is sure to impress. 

smoked-leg-of-lamb-featured-image

Boneless Leg of Lamb

While bone-in is delicious, there are perks to using a roast without the bone. Boneless leg of lamb is easier to prepare, marinate, and cook. The smoke flavor will penetrate evenly, and boneless lamb roasts are also easier to slice and serve.

Why you should use a marinade instead a rub for this recipe: Lamb benefits greatly from a marinade. The herbs, acid from the lemon, and garlic penetrate the meat and result in a fantastic flavor!

What You’ll Need:

  • A boneless lamb leg, about 4 or 5 pounds
  • Butcher’s twine for tying the roast
  • Meat thermometer
  • Olive Oil
  • Dijon Mustard: If you don’t like mustard, use a prepared horseradish sauce instead
  • Fresh lemon juice and zest: Always zest your lemons before juicing them. It makes life so much easier!
  • Garlic cloves
  • Fresh rosemary: Substitute with thyme, fresh marjoram, or fresh oregano
  • Fresh Thyme
  • Salt and black pepper 

Prep the Leg of Lamb

Scoring Leg of Lamb

Since the leg of lamb is boneless, it will contain a meatier surface.

  • Plan seasonings accordingly depending on the size and thickness of the roast.
  • Trim down thick pieces of fat and small pieces of meat from the roast. Don’t over-trim it. You will need a layer of fat to help keep the lamb leg juicy during cooking.
  • Next, use a sharp knife to lightly score the fat by making diagonal cuts in one direction, then the other. This will create a diamond pattern.

 Tying the Lamb:

Tying Leg of Lamb
  • Combine the rub mixture and apply some on the inside portion of the lamb roast. Set aside the remaining rub.
  • Carefully roll the roast back into position and truss it with kitchen twine. The object is to close the roast up, so it stays in a compact, uniform shape as it cooks.
  • Apply the remaining rub to the outside of the roast. Let sit at room temperature while the pellet grill heats up.
Adding Seasonings

 

Cooking the Lamb Leg:

  • Preheat the pellet grill or smoker to 325 degrees F. Use cherry, apple, or oak wood for this recipe.
  • Place the tied leg of lamb into the grill. If you have a temperature probe, push it into the center of the meat and cook to desired doneness, or 15 to 20 minutes of cooking time per pound of meat.
  • Pull lamb off the grill one it reaches an internal temperature of 125 degrees F, for medium-rare, 135 degrees F, for medium, and 145 degrees F, for well done. 
  • Remove the roast, place it onto a clean cutting board, and tent with aluminum foil for 10 minutes. This will allow the temperature to continue rising 5-10 degrees more.
  • For this recipe, I recommend aiming for a medium pull temperature of 130, with a rising temperature between 135 degrees or more.
  • Using a sharp knife or kitchen shears remove kitchen twine.
  • Slice the smoked lamb leg into 1/2″ thick slices and serve. 
Lamb Leg Sliced

Storing Leftovers and Reheating

Store leftover smoked leg of lamb in an airtight container in the refrigerator for up 4 days. Freeze in vacuum-sealed bags for up to 3 months. Reheat in a skillet on the stove top or in a 300 degree oven, until warmed through.

More Lamb Recipes

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Smoked Leg of Lamb

We specifically wrote this smoked boneless leg of lamb recipe for the pellet grill. It's as easy as oven roasted but with a delicious smoky flavor.
4.84 from 6 votes
Print Pin Rate
Course: Main Course
Cuisine: American
Keyword: leg of lamb, pellet grill recipes
Prep Time: 15 minutes
Cook Time: 1 hour
Total Time: 1 hour 15 minutes
Servings: 6 People
Calories: 355kcal
Author: Derrick Riches

Equipment

  • Pellet Grill

Ingredients

  • 1 boneless leg of lamb 4 to 5 pounds
  • Kitchen twine

Rub:

  • 2 tablespoon olive oil
  • 2 tablespoons Dijon mustard
  • Zest and juice of 2 lemons
  • 6 cloves garlic minced
  • 1 tablespoon chopped fresh rosemary
  • 2 teaspoons fresh thyme
  • 2 teaspoons kosher salt
  • 1/2 teaspoon black pepper

Instructions

  • Since the leg of lamb is boneless, it will have more exposed meat surface. Plan seasonings accordingly depending on the size thickness of the roast.
  • Trim off any excess fat and small dangling pieces of meat from the roast. Combine rub mixture and apply to all exposed meat surfaces.
    Leg of Lamb Rub
  • Carefully roll roast back into position and secure with kitchen twine. Let sit at room temperature while pellet grill heats up.
    Lamb Leg
  • Preheat pellet grill to 325 degrees F. Place tied leg of lamb on grill. If you have a temperature probe, push it into the center of the meat and cook to desired doneness. Otherwise plan on 15 to 20 minutes of cooking time per pound of meat.
  • Pull lamb off the grill at 125 degrees F, for medium rare, 135 degrees F, for medium, and 150 degrees F, for well done. Remove roast from the grill at your desired doneness,
    Place onto a clean cutting board, and cover with aluminum foil for 10 minutes. This will help the temperature continue to rise 5-10 degrees more. Ideally, it is safe to consume lamb at 145 degrees F., but for this recipe, I recommend aiming for a medium pull temperature of 150, with a rising temperature between 155-160.
    Roast Leg of Lamb
  • Slice roast, and serve with your favorite sauces and sides.
    Leg of Lamb

Notes

  • Pellet Suggestion: Apple, Cherry, Oak

Nutrition

Calories: 355kcal | Carbohydrates: 2g | Protein: 49g | Fat: 16g | Saturated Fat: 5g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Cholesterol: 152mg | Sodium: 980mg | Potassium: 716mg | Fiber: 1g | Sugar: 1g | Vitamin A: 46IU | Vitamin C: 2mg | Calcium: 28mg | Iron: 5mg

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