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Roast Leg of Lamb with Tarragon-Mint Butter

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Roast Leg of Lamb with Tarragon-Mint Butter Photo by Lisa Hubbard

A spring herb butter makes the lamb fresh and lively. Be sure to reserve 1/4 cup of the butter for flavoring theGarland of Spring Vegetables.

Ingredients

Makes 8 servings

Herb butter:

3/4 cup (1 1/2 sticks) unsalted butter, room temperature
3 tablespoons chopped fresh tarragon
3 tablespoons chopped fresh mint
4 teaspoons tarragon vinegar
2 teaspoons coarse kosher salt

For lamb:

1 6 1/2-pound leg of lamb with bone, well trimmed
1 tablespoon 1-inch-long very thin strips orange peel (orange part only)
2 tablespoons olive oil
Coarse kosher salt
2 cups dry red wine
1 1/3 cups low-salt chicken broth
2 teaspoons finely grated orange peel
Fresh tarragon and mint sprigs (for garnish)
  1. For herb butter:

    Step 1

    Stir butter, tarragon, mint, tarragon vinegar, and 2 teaspoons coarse salt in medium bowl until well blended. Transfer 1/4 cup herb butter to small bowl and reserve for vegetables. DO AHEAD:Can be made 1 day ahead.Cover both bowls and chill. Bring medium bowl of herb butter to room temperature before using.

  2. For lamb:

    Step 2

    Using small sharp knife, make 1-inch-deep slits all over lamb. Insert 3 or 4 orange peel strips into each slit. DO AHEAD:Can be made 1 day ahead.Enclose lamb in plastic wrap and chill.

    Step 3

    Position rack in bottom third of oven and preheat to 450°F. Heat oil in very large skillet over medium-high heat. Sprinkle lamb with coarse salt and pepper. Add lamb to skillet; cook until brown on all sides, about 8 minutes. Transfer to roasting pan. Brush with 2 tablespoons herb butter. Roast lamb 15 minutes. Brush again with 2 tablespoons herb butter.

    Step 4

    Reduce temperature to 350°F. Continue to roast lamb until thermometer inserted into thickest part registers 135°F to 140°F for medium-rare, about 55 minutes. Transfer lamb to platter; reserve pan. Tent lamb loosely with foil; let rest 30 minutes.

    Step 5

    Spoon fat off any juices in roasting pan. Place pan over 2 burners on high heat. Add wine and broth and bring to boil, whisking to scrape up browned bits. Boil until sauce is reduced to 2 cups, about 5 minutes. Whisk in remaining herb butter and grated orange peel. Season sauce to taste with coarse salt and pepper.

    Step 6

    Spoon vegetables around lamb on platter; garnish with fresh herb sprigs. Serve with sauce.

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Reviews (17)

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  • I love how the orange flavor infuses the lamb. It was a hit for our Easter.

    • Sugarshoc

    • Brooklyn, NY

    • 4/25/2011

  • this was my first leg of lamb complete with bone and it was a keeper. also made spring vegetables as recommended but found them to be a bit bland. lamb was superb. I did not use any butter after the two bastings as I did not want the sauce to be greasy. Will definitely make again.

    • Anonymous

    • 4/7/2010

  • I made this with a lamb leg half the size indicated but kept everything the same including cook time and it came out perfectly. The orange was an interesting flavor dynamic, but next time I may just do garlic instead. The wine sauce was a bit much by itself when I tasted it but was excellent drizzled on everything. I had never roasted anything of this magnitude before but it came out wonderfully. The tarragon/mint flavor was perfect.

    • Anonymous

    • portland, maine

    • 4/5/2010

  • I just made this, and most of the menu for my Easter dinner. Yum. I do not normally eat or work with red meat, so I was nervous, but it came out looking and tasting beautiful. The butter was great, the sauce was delicious, and now I'm looking for reasons to make it all over again!

    • aubles

    • KCMO

    • 4/5/2010

  • While the herbed butter was quite good, the wine sauce it got added to was not. I used a good Cab Sauv and homemade chicken stock and it wasn't enough to save the sauce - the addition of the butter mixture and orange peel made it unpalatable. Fortunately, there were several tbsp of the herbed butter left to slather on the cooked lamb and I discarded the sauce. The butter is a keeper, the sauce is a fail.

    • DagnyTaggart

    • 4/3/2010

  • I loved the tarragon/mint flavours with the lamb and veggies. I left out the orange because it didn't appeal to me. Might substitute lemon for the orange next time.

    • Anonymous

    • 1/17/2010

  • Excellent. The butter makes the dish, and I followed the advice and agree 100 percent with the other commenter(s) who advised increasing the amount of butter for the vegetables. The wine sauce was tremendous as well.

    • james0802

    • Golden Beach, FL

    • 12/27/2009

  • Very good. We couldn't find tarragon vinegar. I soaked white vinegar with an equal part of tarragon, about 1/4 cup each, for 3 hours (the longer the better). Bruise the tarragon first before adding to the vinegar.

    • Carli2s

    • 12/22/2009

  • I made this per the recipe and it was excellent. In fact, I also had to make a chicken for the non-red meat crowd and used the same herb butter rubbed under the skin for that. It was also excellent. And veggies were great with this butter! Will definitel make again.

    • Anonymous

    • Arlington

    • 11/9/2009

  • I used a boneless leg of lamb from Costco and roasted according to the packages estimate for time. I thought the butter was great and would make more for the veggies. The menu was fantastic!

    • caponironi

    • tempe, az

    • 8/13/2009

  • I made this for easter dinner (and most of the menu) and it was great. I used slices of garlic instead of the organge peel, which gave even more flavour. The herb butter was a hit with my guests. I would use the butter recipe with vegetables anytime.

    • Anonymous

    • Toronto

    • 4/15/2009

  • This was very nice combination, and the lamb looked great. I really didn't get a whole lot of the orange flavor though. The butter mixture used with the paired recipe for carrots, turnips was very good.

    • Anonymous

    • Arlington, VA

    • 4/13/2009

  • I made this for Easter and it was wonderful. So easy to do and came out amazing. Everyone was impressed, but really it was simple. I used white wine vinegar in the butter. I also used the butter for tossing asparagus to serve with it. My cut was a shank and it was the perfect size for our dinner. I would definitely make this again, even just for a family Sunday dinner, no special occasion needed! You could really taste the flavors of the orange, mint and tarragon, even though they were subtle. I used a merlot in the sauce and it was wonderful.

    • laribrook

    • atlanta

    • 4/12/2009

  • Don't worry about tarragon vinegar, the white wine vinegar or even cider vinegar will work as well. I always prefer an american zinfandel with leg of lamb, something big and full bodied. Ravenswood Lodi is always good at a reasonable price point.

    • rosebrien

    • orlando,FL

    • 4/11/2009

  • As a sub, I am planning to use red wine vinegar plus fresh tarragon. And definitely serving some california cabs.

    • modernorganic

    • seattle,wa

    • 4/10/2009