Ingredients
- Leg of Lamb (Bone-in, about 5-7 lbs):Â The star of the show! Bone-in leg of lamb offers richer flavor and stays moister during roasting. A 5-7 pound roast is ideal for feeding a family or a small gathering, with potential for delicious leftovers.
- Fresh Garlic (10-12 cloves):Â Garlic is essential for that pungent, savory flavor that complements lamb beautifully. Fresh cloves are a must for the most aromatic results; avoid pre-minced garlic for this recipe.
- Fresh Rosemary (2 tablespoons, chopped):Â Rosemary provides a classic, piney, and slightly peppery note that is incredibly well-matched with lamb. Fresh rosemary is far superior to dried in terms of aroma and flavor intensity.
- Fresh Thyme (2 tablespoons, chopped):Â Thyme adds an earthy, slightly lemony, and subtly sweet dimension to the herb blend. Like rosemary, fresh thyme is key for the best flavor.
- Fresh Oregano (1 tablespoon, chopped):Â Oregano brings a slightly pungent, warm, and aromatic quality, adding depth and complexity to the herb profile. Fresh oregano provides a brighter flavor than dried.
- Olive Oil (1/4 cup):Â Olive oil acts as a binder for the herb and garlic mixture, helping it adhere to the lamb. It also contributes to browning and adds richness. Extra virgin olive oil is recommended for its flavor.
- Lemon Juice (2 tablespoons):Â Lemon juice brightens the flavors of the herbs and garlic, adds a touch of acidity to balance the richness of the lamb, and helps tenderize the meat. Freshly squeezed lemon juice is always best.
- Salt (2 teaspoons, or to taste):Â Salt is crucial for seasoning the lamb and enhancing all the other flavors. Use kosher salt or sea salt for best results.
- Black Pepper (1 teaspoon, freshly ground):Â Freshly ground black pepper provides a pungent and aromatic counterpoint to the other flavors, adding a necessary layer of spice.
- Optional: Dry Red Wine (1/2 cup):Â A splash of dry red wine in the roasting pan adds depth and richness to the pan juices, which can be used to make a delicious gravy or sauce. Choose a Cabernet Sauvignon or Merlot.
- Optional: Chicken or Vegetable Broth (1 cup): Broth adds moisture to the roasting pan, preventing the pan drippings from burning and creating more flavorful juices for gravy. Low-sodium broth is preferable to control saltiness.
Instructions
- Prepare the Lamb:Â Start by taking your leg of lamb out of the refrigerator at least 1 hour before you plan to roast it. This allows the lamb to come closer to room temperature, which promotes more even cooking. Pat the lamb dry with paper towels; this helps achieve a beautiful, crispy exterior. Trim any excess fat from the lamb, leaving a thin layer for flavor and moisture.
- Make the Garlic Herb Paste:Â While the lamb is resting, prepare the flavorful garlic herb paste. Peel the garlic cloves. In a food processor or using a sharp knife, finely chop the garlic, rosemary, thyme, and oregano. You want a fairly fine mixture so it spreads easily over the lamb. Alternatively, you can mince the garlic and finely chop the herbs by hand.
- Combine the Paste Ingredients:Â In a small bowl, combine the chopped garlic and herbs with the olive oil, lemon juice, salt, and freshly ground black pepper. Stir everything together until it forms a fragrant, slightly thick paste. Taste and adjust seasoning if needed, adding a bit more salt or pepper to your preference.
- Massage the Lamb: Place the leg of lamb in a large roasting pan. Using your hands, generously rub the garlic herb paste all over the lamb, ensuring you coat every surface. Really massage the paste into the meat, getting it into any crevices or folds. If you have time, you can let the lamb marinate in the refrigerator for 2-4 hours after applying the paste for even deeper flavor penetration. However, it’s delicious even if you roast it immediately.
- Preheat the Oven and Prepare for Roasting: Preheat your oven to 450°F (232°C). This high initial temperature is crucial for searing the lamb and creating a flavorful crust. If you are using red wine and broth, pour them into the bottom of the roasting pan around the lamb. This will create steam and flavorful pan juices.
- Sear the Lamb (Initial High Heat): Place the roasting pan with the lamb in the preheated oven. Roast at 450°F (232°C) for 20 minutes. This searing step is important as it helps to brown the exterior of the lamb and lock in the juices.
- Reduce Oven Temperature and Continue Roasting: After 20 minutes at high heat, reduce the oven temperature to 325°F (163°C). Continue roasting for approximately 1 to 1.5 hours, or until the lamb reaches your desired level of doneness.
- Check for Doneness: The cooking time will vary depending on the size of your lamb roast and your desired level of doneness. For medium-rare, the internal temperature should reach 130-135°F (54-57°C). For medium, it should be 135-140°F (57-60°C), and for medium-well, it should be 140-145°F (60-63°C). Use a meat thermometer inserted into the thickest part of the lamb, avoiding the bone, to check the temperature accurately.
- Basting (Optional):Â For extra moisture and flavor, you can baste the lamb with the pan juices every 20-30 minutes during the roasting process. This helps keep the lamb moist and enhances the crust.
- Rest the Lamb:Â Once the lamb has reached your desired temperature, remove it from the oven and transfer it to a cutting board. Tent it loosely with foil and let it rest for at least 15-20 minutes, or even up to 30 minutes. Resting is absolutely crucial! It allows the juices to redistribute throughout the meat, resulting in a more tender and flavorful roast.
- Make Gravy (Optional):Â While the lamb is resting, you can make a delicious gravy from the pan drippings. Skim off excess fat from the pan juices in the roasting pan. Place the roasting pan on the stovetop over medium heat. If needed, you can add a slurry of cornstarch or flour mixed with cold water to thicken the gravy. Simmer and stir until the gravy thickens to your desired consistency. Season with salt and pepper to taste. You can also add a splash of red wine or broth to adjust the flavor.
- Carve and Serve: After the lamb has rested, carve it against the grain into slices. Serve immediately, drizzled with pan juices or gravy, and accompanied by your favorite side dishes.
Nutrition
- Serving Size: one normal portion
- Calories: 550
- Fat: 35g
- Protein: 55g