Roasted Leg of Lamb

5 from 24 votes

Made with a fresh herb and garlic paste, this delicious roasted leg of lamb is rich with Mediterranean flavors you're sure to love.

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Roasted leg of lamb on a platter with fresh parsley, a fork, and a carving knife.
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Impress with Roasted Leg of Lamb!

If you have a special occasion coming up and you want everyone to drool over the main dish, try this Roasted Leg of Lamb. Seriously, it’s so good, and everyone will be gushing over it!

Slathered inside and out with herbs and cooked until tender, juicy, and full of flavor, this boneless leg of lamb recipe looks fancy but it’s actually a lot easier to make than it looks! It’s an impressive main dish to make during holidays that is guaranteed to gather “oohs” and “aaahhs” from everyone.

Happy Cooking!
– Yumna

Roasted Leg of Lamb Ingredients

Ingredients for recipe: Leg of lamb roast, garlic cloves, lemon, shallot, olive oil, salt, black pepper, fresh parsley, and fresh mint.
  • Boneless leg of lamb: Also known as butterflied leg of lamb, this cut of lamb can be rolled open and seasoned inside, then rolled back up and seasoned outside. Ask your butcher to trim off the excess outer layer of fat, which, if left on, can make lamb taste gamey. You can also use bone-in leg of leg. Just rub all of the herb-garlic mixture on the outside.
  • Shallot: Choose a firm shallot without any sprouts.
  • Garlic: Fresh garlic cloves add so much depth of flavor to roast leg of lamb.
  • Parsley & mint: I love this combo for this boneless leg of lamb recipe but you can use any fresh herbs like rosemary, thyme, oregano, sage, and/or basil.
  • Olive oil: Use your favorite. I like to use extra-virgin olive oil in this recipe.
  • Lemon: A fresh lemon for zesting.
  • Salt & pepper: Adjust to your tastes.

How to Make Roasted Leg of Lamb

You’re going to love how easy this roasted leg of lamb is to make! First, make the paste, then rub some on your leg of lamb. Roll it up and tie it, rub the remaining herb paste on the outside, and bake.

Make the Paste

Herbs, garlic, lemon, oil and seasonings in a food processor.
Step 1: Add the shallot, garlic, parsley, mint, olive oil, lemon zest, salt, and pepper to the bowl of a food processor with the “S” blade attached.
After processing herb marinade.
Step 2: Process until somewhat smooth and aromatic.

Prep the Lamb

Leg of lamb on a cutting board.
Step 3: Remove the roast from the refrigerator and let it sit for about 1 hour to come to room temperature.
After coating with herb blend.
Step 4: Rub half of the herb paste on the inside of the leg of lamb.
Hands rolling leg with herbs.
Step 5: Roll the leg of lamb back up into a tight roulade.
Twine wrapped around leg of lamb.
Step 6: Tie the lamb with several strands of kitchen twine to keep it in a tight, even roll.

Cook the Lamb

Lamb transferred to a wire rack over a foil lined pan and coated with remaining herb seasoning.
Step 7: Rub the rest of the paste on the outside of the roast.
After roasting.
Step 8: Cook until the internal temperature is 135°F-140°F.
Foil tented around meat after roasting.
Step 9: Remove it from the oven and tent tightly with foil. Let the meat rest and increase the oven heat.
After recipes has rested.
Step 10: Place the roast back into the oven and cook until the outside of the roast starts to brown all over. Remove from the oven and let it rest again before slicing and serving.

Recipe Tips

  1. Let sit at room temperature before cooking: It’s important to take your lamb out of the refrigerator for about an hour before you start cooking it. This will help it cook inside faster, reducing the overall cooking time for a more juicy, tender roasted leg of lamb.
  2. Keep these temps in mind depending on the doneness you prefer: For medium-rare roasted leg of lamb, you want your instant-read thermometer to register 130°F-135°F. For medium, it’s more like 140°F. For lamb that’s more on the side of well-done, go for 155°F-165°F.
  3. Slow-roast leg of lamb: If you want a more tender, fall-apart roasted leg of lamb, roast this 3 ½ pound cut of meat for about 2 ½ hours, until an internal thermometer reaches 175°F.
  4. Let it rest before serving: A 5 to 10 minute rest after pulling it out of the oven each time gives the roast an opportunity to reabsorb its juices for the most tender and juicy roasted leg of lamb.
Roasted leg of lamb cut into slices on a platter with a fork and parsley garnishing.

Serving Ideas

Recipe Help & FAQs

How do I store and reheat roasted lamb?

To store, place any leftover roasted leg of lamb in an airtight container and refrigerate for up to 3 days. Reheat in a baking dish covered with foil in a 350°F oven until warm.

Can I freeze cooked lamb?

I do not recommend freezing cooked leg of lamb as it will become dry and tough when reheated.

How much leg of lamb per person?

It’s safe to plan on about ½ pound of lamb per person.

How to carve a leg of lamb?

Simply remove the twine and cut your roasted leg of lamb into 1/4-inch slices.

What cut of meat is leg of lamb?

Leg of lamb roast is from the upper part of the back leg of the animal.

Slices of roasted leg of lamb on a white plate with roasted carrots and a fork.

More Lamb Recipes:

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Roasted Leg of Lamb

Made with a fresh herb and garlic paste, this delicious roasted leg of lamb is rich with Mediterranean flavors you're sure to love.
5 from 24 votes
Servings 8 servings
Course Dinner, Entree
Calories 233
Prep Time 15 minutes
Cook Time 2 hours 15 minutes
Resting Time 10 minutes
Total Time 2 hours 40 minutes
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Ingredients
  

  • 1 (3 ½ pound) boneless leg of lamb roast trimmed of excess fat
  • 1 shallot peeled
  • 6 garlic cloves peeled
  • ½ cup fresh parsley packed
  • ½ cup fresh mint packed
  • ¼ cup olive oil
  • 1 lemon zested
  • 1 teaspoon salt
  • 1 teaspoon black pepper

Instructions

  • Remove the roast from the fridge and let sit at room temperature for about 1 hour.
  • Preheat the oven to 325˚F and line a rimmed baking sheet with foil (for easy clean up). Place a baking rack on top of the sheet pan and set aside. You can also use a roasting pan.
  • In the bowl of a food processor, add shallot, garlic, parsley, mint, olive oil, lemon zest, salt, and pepper. Process until a smooth paste forms.
  • Unroll the lamb and place on a cutting board with the inside of the roll facing up. Rub about half of the herb and garlic paste on the inside, then roll back up into a tight roulade. Use kitchen twine to truss the roast into a tight, even shape, then rub the remaining garlic and herb paste all over the outside surface of the roast.
  • Roast at 325˚F for about 30 minutes per pound, or until the internal temperature of the lamb taken with an instant read thermometer is between 135˚F and 140˚F. Remove from the oven and tent tightly with foil, shiny side down. Let rest for about 30 minutes. While the meat rests, preheat the oven to 475˚F.
  • Place the rested roast back into the hot oven and let cook for about 10 minutes, or until the meat starts to brown all over. Remove from the oven and let rest again for 5 to 10 minutes, then carve into thin slices and serve.

Notes

Storage: Place leftover roasted leg of lamb in an airtight container and refrigerate. Reheat in a baking dish covered with foil in a 350°F oven until warm.

Nutrition

Serving: 8ounces, Calories: 233kcal, Carbohydrates: 3g, Protein: 26g, Fat: 13g, Saturated Fat: 3g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 7g, Cholesterol: 80mg, Sodium: 372mg, Potassium: 440mg, Fiber: 1g, Sugar: 1g, Vitamin A: 440IU, Vitamin C: 14mg, Calcium: 30mg, Iron: 3mg

Nutrition information provided is an estimate. It will vary based on cooking method and specific ingredients used.

Course: Dinner, Entree
5 from 24 votes (24 ratings without comment)

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Comments

  1. Lara Hovsepian says:

    Do you recommend American or New Zealand/Australian lamb? Thank you!!

    1. Yumna J. says:

      Either one works well depending on your preference! I like both!

  2. Rosalyn Dow says:

    I love this recipe. It’s plain to understand and makes it easier and a lot of fun to understand. I know when I make my roasted boneless leg of lamb 🐑 it’s going to be a huge hit. Thank you so very much for the recipe. Respectfully, Rosalyn Dow.

    1. Yumna says:

      Thanks so much!

  3. Deborah says:

    When you put the roast back in for 10 minutes at the end are you keeping it covered with foil or uncovered?? I’m thinking uncovered as you say it should brown…

    1. Yumna says:

      Yes, uncovered!

  4. Maria says:

    Totally love this recipe!!!! I always so afraid of cooking lamb and now I’m going to try for sure.
    Thank you for your kindness in sharing this

    1. Yumna says:

      Thank you so much!