Ingredients
Equipment
Method
Step 1: Superior Prep – The Dry Brine & Tying
- First, pat your boneless leg of lamb very dry with paper towels. Rub the lamb all over with 1 teaspoon of kosher salt per pound. Place the lamb uncovered in the refrigerator for 24 hours.
- After the dry brine (or if skipping), trim any large pieces of excess fat from the interior of the lamb. Spread the lamb out with the interior facing up on a large cutting board. Drizzle with half of the olive oil. Season the interior generously with half of the kosher salt, black pepper, and rosemary, along with all the minced garlic and parsley.
- Roll the lamb into a tight cylinder. Tie it securely every 1-2 inches with butcher's twine (or use metal skewers) to ensure even cooking and a beautiful shape.
- Finally, cut small slits into the lamb’s exterior and insert the roughly sliced garlic cloves. Coat the outside of the lamb with the remaining olive oil and season with the rest of the salt, pepper, and rosemary.
Step 2: Achieve the Perfect Sear
- Heat a cast iron skillet or a heavy, oven-safe pan over high heat with a touch of olive oil until it shimmers. Carefully place the boneless leg of lamb in the hot pan and sear on all sides until it develops a deep, rich brown crust. This step happens before the lamb ever sees the oven.
Step 3: Roasting to Perfection
- Preheat your oven to 450°F with the rack in the middle position.
- Once your lamb is beautifully seared, transfer it to a roasting pan elevated with a wire rack. Pour 1 1/2 cups of water into the bottom of the pan, making sure it doesn't touch the lamb.
- Roast the lamb for 15 minutes at 450°F. Immediately reduce the oven temperature to 350°F.
- Continue cooking until the internal temperature reaches 120-125°F for medium-rare lamb. Use an oven-safe digital thermometer inserted into the thickest part of the roast, or check with an instant-read thermometer.
Step 4: Rest and Carve
- Once your lamb reaches the desired temperature, remove it from the oven and transfer it to a cutting board. Lightly tent it with foil and let it rest for a crucial 10-15 minutes.
- After resting, remove the twine. Place the roasted leg of lamb on a stable cutting board. Identify the grain of the meat. Using a sharp carving knife, slice the lamb against the grain into uniform 1/2 to 3/4-inch slices. Arrange the slices neatly on a warm platter.
Creating a Rich Pan Gravy from Drippings
- After removing the lamb to rest, carefully pour off any excess fat from the roasting pan, leaving behind the flavorful drippings and any browned bits.
- Place the roasting pan over two burners on your stovetop over medium heat.
- Add 2 tablespoons of flour or cornstarch to the pan and whisk constantly for 1-2 minutes to create a roux, scraping up all the browned bits from the bottom of the pan.
- Gradually whisk in 1 1/2 to 2 cups of liquid – the water from the roasting pan, beef broth, or even a splash of red wine works wonderfully. Continue whisking until the gravy thickens to your desired consistency.
- Season with salt and black pepper to taste. For an extra smooth gravy, you can strain it through a fine-mesh sieve.
Nutrition
Notes
Ensure lamb is thoroughly dry and tied for even cooking and a crisp crust. Always use a meat thermometer for precise doneness. Resting for 10-15 min after roasting is crucial for juiciness. Dry brine/season ahead for enhanced flavor. Nutrition information is estimated based on common ingredients and serving sizes and may vary.