Today with Kara

Tea for Two ~ God and You

May 7, 2007

Filed under: Recipes — xapa21 @ 8:18 pm

May 7 is National Roasted Leg of Lamb Day!

Roast Leg of Lamb Recipe

Filed under Lamb, Low Carb, Main Course, Seasonal Favorites: Spring, Wheat-free

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The most important thing to remember about cooking a lamb roast is to not over-cook it. Lamb has such wonderful flavor on its own, and is so naturally tender, that it is bound to turn out well, as long as it is still a little pink inside. There is some debate over which method yields the best results – slow cooking at low heat the entire time, or searing first on high heat and then slow cooking. James Beard in his American Cookery prefers the slow-cook-low-heat method (he rubs the roast with salt and pepper and cooks it at 325°F the whole time.) We generally get great results with the searing method, starting at high heat and then dropping the temp which is the method described in the following recipe.

Another point where there are wildly varying opinions is the internal temperature that constitutes “medium rare”. I’ve seen references that range from 120° to 145°F. For this roast, I pulled it out at 130°F. As it rested the internal temperature continued to rise a few points as the meat continued to cook. We like lamb on the rare side of medium rare, and this roast was perfectly done to our taste. Clearly an accurate meat thermometer is essential. Our ancient mercury meat thermometer has proven over and over again to be much more accurate than the instant read thermometers we have.

The marinade we used on this roast comes from my friend Suzanne and it works quite well. A simpler marinade of rosemary, olive oil, garlic, pepper, and lemon juice would do the trick quite nicely too. One can also make tiny slices into the surface of the roast and insert slivers of garlic and herbs. One thing to remember about marinating is to not include salt in the marinade. Salt will dry out the roast. Best to lightly salt the roast, if at all, 15 minutes before you take it out of the oven.

Marinade

1/2 cup orange juice
1 cup white wine
3 cloves garlic, minced
2 teaspoons of fresh thyme or 1 teaspoon of dried thyme
2 Tbsp of fresh chopped rosemary or 1 Tbsp of dried rosemary
1/4 teaspoon of fresh ground pepper
2 Tbsp olive oil

Blend ingredients in a blender, just a few pulses until well mixed.

Lamb Roast

1 (6-pound) leg of lamb, bone-in or boneless. If boneless, the leg should be tied up with kitchen string by butcher.
Marinade
Salt

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1 Place lamb and marinade into a plastic bag. Squeeze out as much of the air as possible from the bag and seal. Wrap again with another plastic bag to ensure that the marinating lamb doesn’t leak. Marinate over night in the refrigerator. Remove the lamb, still in its marinade bag, from the refrigerator 30 minutes before putting in the oven to help bring the lamb closer to room temperature before roasting.

2 Preheat oven to 425°F. Arrange two racks in the oven – a middle rack to hold the lamb, and a lower rack to hold a roasting pan with which to catch the drippings. Place the empty roasting pan in the oven while the oven is pre-heating. Note that this arrangement of racks and pans, with the roast sitting directly on the oven rack, will create a natural convection of heat in the oven, causing the roast to cook more quickly than if cooked the traditional method in a rack in a roasting pan.

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3 Remove the lamb from its marinade bag (you may want to temporarily place lamb in another roasting pan, just to make it less messy to work with.) Arrange fattiest side up, so while the lamb is cooking the fat will melt into the meat. Insert a meat thermometer into the thickest part of the roast, not touching the bone if your roast is bone-in. Place directly on middle rack of the oven, with a roasting pan on a separate rack a rung lower, to catch the drippings.

4 Roast at 425°F for 20 minutes. Then reduce the heat to 300°F and roast an additional hour (for a 6 pound roast), about 10-12 minutes per pound. Note that the method of cooking directly on the oven rack will mimic a convection oven and the cooking time/oven temp needed will be less than you would need if you cooked the roast on a rack in a roasting pan. If you are cooking the roast in a roasting pan, rack or not, start the roast at 450°F and then reduce the heat to 325°F. Also, the shape of the roast will have an impact on the cooking time. Our roast was rather long and thin, so it cooked up fairly quickly. A thicker roast may take longer than expected.

At this point start checking the meat thermometer. Remove from the oven anywhere from 130°F to 135°F for medium rare. Sprinkle with salt about 15 minutes before removing from oven. Lamb should never be cooked until well done or it will be too dry. Let stand for 10 minutes before carving. Cut away the kitchen string and slice with a sharp carving knife, 1/2 inch thick slices, against the grain of the meat.

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5 While the roast is resting, use a metal spatula to scrape up the drippings in the roasting pan. Use the drippings to make a gravy, or use just the drippings themselves to serve with the lamb.

Serves 8 to 10. Serve with some homemade mint jelly for an added treat.

Notes:
Many thanks to the good people of Niman Ranch who generously provided the flavorful, hormone and antibiotic-free lamb for this feast.

http://www.elise.com/recipes/archives/001720roast_leg_of_lamb.php

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