Braised Leg of Lamb With Celery Root Purée

A five-hour braise yields a tender, intense and velvety leg of lamb, soft enough to cut with the edge of a spoon. Carrots and parsnips lend sweetness to the pot, while tomatoes and a handful of chopped green olives add a bracing bite. Serve on a bed of garlicky celeriac puréed so smooth it could double as a creamy sauce.

Ingredients

For the lamb

• 1 Shank end leg of lamb (4 1/2 pounds), bone-in, rinsed and patted dry
• 3 tablespoons olive oil
• 1 tablespoon, plus 1/2 teaspoon kosher salt
• 1 ¾ teaspoons pepper
• 2 cups chicken stock
• 1 bottle fruity white wine
• 3 small onions, peeled, halved and thinly sliced
• 3 large carrots, peeled, sliced into 1/2-inch rounds
• 1 large parsnip, peeled, sliced into 1/2-inch rounds
• 2 rosemary sprigs
• 2 sage sprigs
• 1 bay leaf
• ½ cup pitted and coarsely chopped green olives
• 2 garlic cloves, finely chopped

For the celery root purée

• 4 medium celeriac bulbs about 3 1/2 pounds, peeled and diced
• 4 garlic cloves, peeled
• 2 bay leaves
• 2 tablespoons kosher salt, more to taste
• 8 tablespoons butter
• Freshly grated nutmeg, to taste

• Nutritional Information

  • Nutritional analysis per serving (6 servings)

    1222 calories; 74 grams fat; 32 grams saturated fat; 0 grams trans fat; 30 grams monounsaturated fat; 5 grams polyunsaturated fat; 44 grams carbohydrates; 8 grams dietary fiber; 11 grams sugars; 70 grams protein; 274 milligrams cholesterol; 4455 milligrams sodium

  Note: Nutrient information is not available for all ingredients. Amount is based on available data.
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6 servings

Preparation

1. To prepare the lamb: Heat oven to 450 degrees. Rub the lamb with 1 tablespoon of oil, and season it with 1 tablespoon salt and 1 1/2 teaspoons pepper.
2. In a medium saucepan over medium-high heat, bring the stock and wine to a boil; allow to reduce for 10 minutes.
3. Meanwhile, warm the remaining 2 tablespoons of oil in a large Dutch oven over medium heat. Add the onions and cook, stirring occasionally, until soft, 7 to 10 minutes. Stir in the carrots and parsnips, 1/4 teaspoon salt, the remaining 1/4 teaspoon pepper, rosemary, sage and bay leaf. Turn off the heat and add just enough stock to cover the vegetables. Place the lamb, fatty side up, on top of the vegetables.
4. Transfer the pot to the oven, uncovered, and cook for 25 minutes. Then add the remaining stock, cover the pot and reduce heat to 325 degrees. Cook for 1 1/2 hours, at a bare simmer, reducing heat if necessary, then turn the lamb over. Cook 1 1/2 hours longer and turn the lamb over again. Uncover the pot and stir in the olives. Cook another hour, turning the lamb after 30 minutes. At this point the lamb should be soft enough to cut with a serving spoon. If not, cover the pot and continue to cook until it is.
5. After the lamb has cooked for about 3 hours, prepare the celery root purée: In a large saucepan, combine the celery root, peeled garlic cloves and bay leaves. Pour in 12 cups water and 2 tablespoons of kosher salt. Over medium-high heat, bring to a boil; reduce heat and simmer until tender, 20 to 25 minutes. Drain, discard the bay leaves and transfer the celeriac and garlic to a food processor. Add the butter and nutmeg; process until very smooth. Taste and add more salt if necessary. Keep warm.
6. Just before serving, mash the finely chopped garlic and the remaining 1/4 teaspoon salt to form a paste. Stir it into the lamb’s pan juices.
7. To serve, make a bed of celery root purée on each plate. Cut the lamb with a serving spoon, and lay some of it over the celery root, along with some vegetables and pan juices.

5 hours