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Roasted Marinated Lamb with Lemon and Rosemary Potatoes


Celebrate Easter or springtime with this perfect lamb dish.

  • Total Time:
  • Servings: 8

Source: Everyday Food, April 2010


  • Wide strips zest and fresh juice from 2 lemons
  • 1 head garlic, cloves smashed and peeled
  • 2 tablespoons chopped fresh rosemary leaves
  • 1/2 cup extra-virgin olive oil
  • 4 pounds boneless leg of lamb roast, tied at 1-inch intervals
  • Coarse salt and ground pepper
  • 4 pounds small Yukon gold potatoes, peeled


  1. Roughly chop strips of lemon zest. In a medium bowl, combine lemon zest and juice, garlic, and rosemary; whisk in oil. Pat lamb dry and season with salt and pepper. Place lamb in a 1-gallon resealable bag and pour in marinade. Seal bag, pressing to remove as much air as possible. Turn bag several times to coat lamb in marinade. Let sit at room temperature 1 hour (or refrigerate overnight), flipping bag halfway through.

  2. Preheat oven to 450 degrees. (If lamb was marinated overnight, remove from refrigerator 1 hour prior to cooking.) Place potatoes in a large pot and cover with cold water by 2 inches; season with salt. Bring to a boil; reduce to a simmer and cook until potatoes are tender when pierced with a knife, about 15 minutes. Drain potatoes.

  3. Remove lamb from marinade, letting excess marinade drip back into bag. Place lamb on a plate; season generously with salt and pepper. Pour marinade into a roasting pan; add potatoes. Cook 15 minutes. Push potatoes to edges of pan; place lamb in center. Roast 15 minutes, then reduce oven temperature to 300 and cook until medium-rare (an instant-read thermometer should read 125 when inserted in thickest part of lamb), 1 to 1 1/4 hours, tossing potatoes halfway through.

  4. Tent pan loosely with foil and let lamb rest 20 minutes before slicing. Toss potatoes with pan juices and serve alongside lamb.

Cook's Notes

If you can't find small Yukon gold potatoes, simply halve or quarter larger ones. Do not substitute russet potatoes, as they will fall apart during cooking.

Reviews Add a comment

  • mmcgui02
    28 DEC, 2010
    Recipe and results were great, but only after I realized the mistake made in both the oven temperature AND internal temperature. My Christmas dinner was delayed and almost ruined because of the instructions. Unless you want Lamb Sushi...beware! The internal temperature for medium rare lamb is 150 degrees, and after seartint at 450, reduce to 350. After reducing to 300 there wasn't even the smell of lamb cooking...the temp was that low. Would be great if someone could update the instructions.