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50 mins
Slow Roast Leg of Lamb with Herb Rub Recipe

Slow Roast Leg of Lamb with Herb Rub

Rating 4-0 out of 5 - Most cooks definitely will make this recipe again

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Slow Roast Leg of Lamb with Herb Rub has the added advantage that it makes its own delicious gravy too. It's perfect for a big meal with friends and family. Tender, slow-roasted lamb, infused with mellow garlic and herb flavours makes wonderful comfort food and works particularly well with mashed potatoes with butter and grated parmesan.

      Preparation Time: 20 Minutes

      Cooking Time: 3 Hours 30 Minutes

Ingredients for Slow Roast Leg of Lamb with Herb Rub

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US Imperial Measurements  UK Imperial Measurements  Metric Measurements

Currently displaying quantities in US Imperial Measurements
to serve 6 - 8:
1 whole head
1 tablespoon
crystalized sea salt
2 sprigs
2 sprigs
olive oil
4¼ lb
leg of lamb
2¼ lb
4 oz
2 oz
parmesan cheese (grated)
salt and pepper


How to Cook Slow Roast Leg of Lamb with Herb Rub

  1. Separate and peel the garlic cloves, and mash the garlic into the salt using a pestle and mortar (yes, you can use a blender if you don't have a pestle and mortar, but you'll miss some of the fun of cooking!). Add the leaves of the rosemary and thyme (not the stems) and mix with enough olive oil to create a thick paste.
  2. Rub the garlic and herb mixture over the whole surface of the lamb. Place the lamb into a deep sided roasting tin and pour 9fl oz (250ml) of water into the tin. Cover the lamb with aluminium foil and roast in a preheated moderate oven (Mk 3 - 325ºF - 170ºC) for 3-3½ hours (basting with the juices from time to time) until cooked to your liking.
  3. When cooked, pour or spoon off any excess oil from the top of the liquid, leaving the cloudy, herby sediment in place. This is the gravy and you don't need to do any more to it (except serve with the meal). Cover the meat and gravy with a lid or aluminium foil and rest for 15 minutes in a warm place.
  4. While the lamb is cooking, peel and cut the potatoes into pieces of roughly equal size (A medium-sized potato is usually cut into about 6 pieces). Rinse the potatoes to remove any surface starch. Now place them in a large pan with sufficient salted water to cover the potatoes. Bring the water to the boil then turn down the heat and cover the pan so that it continues to boil gently.
  5. Cooking time can vary depending upon the type of potato and the texture. Generally, however, somewhere between 15 - 20 minutes is sufficient. When you think that the potatoes are close to being cooked, pierce one or two of them with a fork. If the fork penetrates easily with little resistance, the potatoes are cooked. Remove the pan from the heat and drain off the water. Add the butter and, using a potato masher, break up and mash the potatoes (you can add a little milk or cream if you want) until the texture is soft and light. Add in the grated parmesan and season well with salt and freshly ground black pepper.
  6. Carve the lamb into thick chunks and serve with the mashed potatoes and pan juices (gravy).

If you enjoy the flavour of garlic but don't like it tasting too strong, before crushing cut each clove down the middle long-ways and remove the central 'germ' (the thin stem that looks like a pale green or translucent vein). You will still be able to enjoy the flavour without everybody referring to you as "The Garlic Dragon" afterwards.
GRAHAM'S WINE RECOMMENDATION: GrahamDomaine des Pres-Lasses, is blend of four grapes, including Syrah and Grenache. This perfumed red tastes of cassis and black treacle and brilliantly complements a traditional roast leg of lamb. (2005 was a good year!)
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Reviews of Slow Roast Leg of Lamb with Herb Rub

Rating 4 out of 5 - Many cooks will make this recipe again March 12 2015
I tried this recipe today. It was easily the least complicated recipe for leg of lamb and it worked great. You don't need a meat thermometer because the lamb is intended to be fully cooked right through, and VERY tender. If you want your lamb pink, you need to follow a different recipe and take it to 145 degrees internal temp. That way, it will come out medium slightly pink inside. But this recipe is for well-cooked lamb and it's REALLY delicious! I pulled it out and wrapped it in aluminum foil... let it rest for 20 minutes and viola! A keeper for sure.
(2 reviews)

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