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Dinner

Herb-Crusted Roast Leg of Lamb with Fresh Mint Sauce

By Pam 2025-09-11 ⏱ 15 min 🔥 30 min 🍽 4
Herb-Crusted Roast Leg of Lamb with Fresh Mint Sauce Save

Step-by-Step Instructions

Preparing the Lamb

Pat the leg of lamb dry with paper towels, then rub it all over with 2 tablespoons olive oil. Season generously with salt and pepper, letting it sit at room temperature for about 15 minutes so the seasoning penetrates and the meat cooks evenly.

Creating the Herb Crust

  1. Mix the herbs. In a bowl combine minced garlic, chopped rosemary, thyme, parsley, lemon zest, and panko breadcrumbs. Add a pinch of salt and pepper, then drizzle in a little olive oil to help the mixture adhere.
  2. Apply the crust. Press the herb mixture onto the entire surface of the lamb, ensuring an even coating. The breadcrumbs will toast during roasting, forming a golden, crunchy shell.

Roasting & Basting

  1. Preheat the oven. Set your oven to 375 °F (190 °C). While it heats, place the crusted lamb on a roasting rack inside a shallow pan.
  2. Roast. Cook for 1 hour 15 minutes to 1 hour 30 minutes, or until an instant‑read thermometer inserted into the thickest part reads 135 °F (57 °C) for medium‑rare. Baste the lamb with its own juices every 20 minutes to keep it moist.
  3. Rest. Remove the lamb from the oven, tent loosely with foil, and let it rest for 10 minutes. Resting allows the juices to redistribute, ensuring every slice is juicy.

Mint Sauce & Finishing

While the lamb rests, blend fresh mint leaves, olive oil, white wine vinegar, honey, and a pinch of salt in a food processor until smooth. Taste and adjust seasoning if needed. Slice the lamb against the grain, drizzle with the mint sauce, and serve immediately.

Tips & Tricks

Perfecting the Recipe

Room‑temperature lamb. Allow the meat to sit out for 15‑20 minutes before seasoning; this promotes even cooking and prevents a cold center.

Even crust. Press the herb mixture firmly onto the meat; a tight bond ensures the crust stays attached during roasting.

Flavor Enhancements

Add a tablespoon of Dijon mustard to the herb mixture for a subtle tang, or sprinkle a pinch of smoked paprika for a gentle, smoky depth that complements the lamb’s natural flavor.

Common Mistakes to Avoid

Skipping the resting step will cause the juices to run out when you slice, leaving the meat dry. Also, avoid turning the oven temperature up too high; a gentle roast preserves tenderness while still achieving a crisp crust.

Pro Tips

Use a meat thermometer. It removes guesswork and guarantees the perfect medium‑rare finish every time.

Make extra mint sauce. The sauce tastes even better after it sits for a few minutes, allowing the flavors to meld.

High‑heat sear first. A quick 5‑minute sear in a hot skillet before roasting adds an additional layer of caramelized flavor.

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