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Grilled Leg of Lamb with Thyme and Allspice

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Grilled Leg of Lamb with Thyme and Allspice John Kernick
  • Active Time

    1 3/4 hours

  • Total Time

    14 hours

You can't beat the drama — not to mention the deliciousness — of a bone-in leg of lamb. Since it is a thick cut, a garlic, lemon, and spice paste is rubbed all over it and tucked deep inside to penetrate the meat; slow-cooking over indirect heat results in a crisp, smoke-infused crust and a juicy, medium-rare center.

Ingredients

Makes 8 servings

4 large garlic cloves
1 1/2 teaspoons salt
2 tablespoons olive oil
1 tablespoon fresh lemon juice
5 teaspoons minced fresh thyme
1 teaspoon black pepper
1/2 teaspoon ground allspice
1 (6 1/2- to 7-lb) bone-in leg of lamb, trimmed of all but a thin layer of fat

Special Equipment

an instant-read thermometer
  1. Step 1

    Mince garlic, then mash to a paste with salt. Stir together garlic paste, oil, lemon zest and juice, thyme, pepper, and allspice. Put lamb, fat side up, in a large ceramic or glass dish. Using a paring knife, make 1 1/2-inch-long slits (about 2 inches deep) 2 inches apart all over leg. Reserve 1 teaspoon thyme mixture and push remainder into slits, then rub all over with reserved teaspoon of mixture. Marinate lamb, covered and chilled, 12 hours.

    Step 2

    Let lamb stand at room temperature 30 minutes before grilling.

    Step 3

    Prepare grill for indirect-heat cooking over medium-hot charcoal (high heat for gas). If using a gas grill, preheat all burners on high, covered, 10 minutes, then turn off all burners except burner closest to you.

    Step 4

    Oil grill rack, then grill lamb over area with no coals (or over turned-off burner or burners), covered, without turning, until thermometer inserted into thickest part of roast (almost to the bone but not touching it) registers 125°F for medium-rare, 1 1/4 to 1 1/2 hours (temperatures in thinner parts of leg may register up to 160°F). To maintain medium-hot charcoal, add more charcoal (about 2 cups) every 15 minutes.

    Step 5

    Let lamb stand on a cutting board, uncovered, 30 minutes.

Cooks' note:

If you aren't able to grill outdoors, lamb can be roasted on a rack set in a large (17- by 11-inch) roasting pan in a 375°F oven, 1 1/4 to 1 1/2 hours.

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  • Really fantastic and fairly easy. I bought a legless lamb roast at Costco, and was able to use fresh thyme from my garden (that's how I found the recipe - looking for a use for the thyme). It's amazing how the subtle spicing stands up to strong flavor of lamb. I was able to use my gas grill, following the instructions given. Pulled it at 125 degrees, then it came up to 140 while it was resting. Perfect!

    • rmurray

    • Bay Area, CA

    • 8/26/2011

  • We have made this recipe 8or9 times. It's always perfect and always a showstopper. Perfect for entertaining; plus amazing leftovers!

    • patjones

    • Virginia

    • 11/14/2010

  • I had to use my oven...I can only imagine the goodness that I would have had if I had used the grill! Next time I will double the marinade.

    • Anonymous

    • Tacoma, WA

    • 9/23/2008

  • This recipe is terrific. I prepared it for family and friends to plaudits all around. The only observation/issue I have with the recipe is that the gas grill instructions did not work well with my grill. If you have a large grill, my suggestion would be to leave half the burners on, because one was not sufficient to cook the meat in any reasonable amount of time.

    • jkestell

    • Johannesburg, South Africa

    • 9/1/2008

  • This was a delicious marinade. I will definitely do it again and try it with beef too. I was not able to marinate it for more than 4 hours, but it was still very flavorful. I think I did about double the amount of the marinade though. The "medium rare" was on the rare side of medium rare when I did it.

    • cookninberkeley

    • 5/4/2008

  • This preparation has exceptional flavor. The garlic and spice spiked into the meat permeated the meat but was not too dominant, especially since I marinated it for 2 days. The toughest part of this is planning ahead to marinate. Will be doing this for a dinner party next week. We took the wine rec and opened a bottle of Chianti. Very nice.

    • bbennett1950

    • Colorado Springs

    • 7/11/2007

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