If you’re searching for a show-stopping main course that effortlessly combines bold flavors with a tender, juicy finish, look no further than this Herb-Crusted Roasted Lamb Recipe. Imagine a beautifully roasted leg of lamb, crusted with fresh rosemary, garlic, and zesty lemon, then roasted to perfection with a crisp, golden exterior. This dish is a celebration of simple but vibrant ingredients that come together to create something truly memorable, perfect for family dinners or impressing guests at your next gathering.

Ingredients You’ll Need
Each ingredient in this Herb-Crusted Roasted Lamb Recipe plays a crucial role, bringing layers of flavor, aromatic freshness, and succulent texture. The beauty lies in how straightforward these essentials are, yet how powerful their combination can be.
- 1 (5 lb) bone-in leg of lamb: The star of the show, providing rich, tender meat that soaks up all the herbs beautifully.
- 2 tablespoons fresh rosemary, finely chopped: Adds an earthy, piney aroma that perfectly complements lamb.
- 4 cloves garlic, minced: Infuses a pungent, savory depth that enhances every bite.
- Zest of 1 lemon: Brings a bright, citrusy zing that cuts through the richness.
- 2 tablespoons Dijon mustard: Acts as a tangy binder for the herb crust, helping it stick and caramelize.
- 3 tablespoons extra virgin olive oil: Keeps the lamb moist while aiding the roasting process with a silky finish.
- Salt and pepper to taste: Essential seasonings that awaken all the natural flavors and elevate the dish.
How to Make Herb-Crusted Roasted Lamb Recipe
Step 1: Preparations
Start by preheating your oven to 400°F (200°C), setting the stage for a perfect roast. Then, take the leg of lamb out of the fridge and let it rest at room temperature for about 30 minutes. This step ensures even cooking throughout the meat, giving you a tender and juicy outcome.
Step 2: Create the Herb Paste
In a bowl, combine the finely chopped rosemary, minced garlic, lemon zest, salt, pepper, and Dijon mustard. Mix it all into a vibrant herb paste that will cling to the lamb, infusing it with robust flavors and a delightful aroma.
Step 3: Coat the Lamb
Gently rub olive oil all over the surface of the lamb. This not only helps the herbs stick better but also promotes a crispy, golden crust. Next, spread the herb mixture generously over the lamb, making sure every inch is covered for maximum flavor impact.
Step 4: Roasting to Perfection
Place the lamb on a roasting rack inside a pan to allow the heat to circulate evenly, then roast for about 1 hour. Keep an eye on the internal temperature, aiming for 135°F (57°C) if you prefer medium-rare meat. This timing and temperature will give you that perfect rosy center everyone loves.
Step 5: Rest and Carve
Once the lamb is out of the oven, let it rest for at least 15 minutes. This crucial resting period lets the juices redistribute throughout the meat, making every slice tender and flavorful when you carve it up to serve.
How to Serve Herb-Crusted Roasted Lamb Recipe

Garnishes
Sprinkle some fresh rosemary sprigs or a few lemon wedges alongside your slices of lamb. These simple garnishes not only make your plate look inviting but also enhance the subtle herb and citrus notes in the dish, brightening every bite.
Side Dishes
Classic pairings like roasted potatoes, garlic mashed potatoes, or even a vibrant green bean almondine work beautifully. A crisp, tangy salad or creamy polenta can also round out the meal, balancing the richness of the lamb with fresh or smooth textures.
Creative Ways to Present
For a special occasion, arrange the herb-crusted lamb slices on a large platter with colorful roasted root vegetables or drizzle with a minted yogurt sauce for a refreshing twist. This Herb-Crusted Roasted Lamb Recipe also shines when served family-style, inviting everyone to gather, share, and savor each flavorful bite.
Make Ahead and Storage
Storing Leftovers
Leftover roasted lamb is a treasure! Store it in an airtight container in the fridge for up to 3 days, keeping the slices tender and perfectly seasoned for easy next-day meals.
Freezing
If you want to store lamb for longer, wrap it tightly in plastic wrap and foil before freezing. This Herb-Crusted Roasted Lamb Recipe can be frozen for up to 2 months without losing its delicious flavor and texture.
Reheating
To reheat, gently warm lamb slices in the oven at a low temperature or in a pan with a splash of broth to keep them moist. Avoid high heat to prevent drying out this succulent dish.
FAQs
Can I use boneless leg of lamb for this recipe?
Absolutely! While bone-in lamb adds extra flavor and moisture, a boneless leg can be used just fine; just adjust the cooking time slightly to avoid overcooking.
What if I don’t have fresh rosemary?
Dried rosemary can substitute in a pinch, but use about half the amount since dried herbs are more concentrated. Fresh herbs will always give you a brighter, fresher taste though.
How do I know when the lamb is perfectly cooked?
Using a meat thermometer is the best way — aim for 135°F (57°C) for medium-rare. Remember it will continue to cook a bit while resting, so pull it from the oven just before it reaches your target temperature.
Can I make the herb crust ahead of time?
Yes! You can prepare the herb paste a day in advance and store it covered in the fridge. This makes the assembly easier and gives the flavors more time to meld.
What should I pair with this Herb-Crusted Roasted Lamb Recipe for a balanced meal?
Think fresh, vibrant vegetables or creamy starches like mashed potatoes or polenta. A light salad with a lemon vinaigrette can also provide a refreshing contrast.
Final Thoughts
Once you try this Herb-Crusted Roasted Lamb Recipe, it’s easy to see why it becomes a fast favorite. With its perfect blend of herbs, garlic, and a hint of lemon, paired with tender, juicy lamb, it’s a dish that brings warmth and joy to any table. Trust me, this recipe will be one you turn to time and again whenever you want to impress or just treat yourself to something truly special.
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Herb-Crusted Roasted Lamb Recipe
- Prep Time: 35 minutes
- Cook Time: 1 hour
- Total Time: 1 hour 35 minutes
- Yield: 8 servings
- Category: Main Course
- Method: Roasting
- Cuisine: Mediterranean
Description
This Herb-Crusted Roasted Lamb recipe features a tender, juicy bone-in leg of lamb seasoned with a fragrant mixture of fresh rosemary, garlic, lemon zest, and Dijon mustard. Roasted to a perfect medium-rare, this elegant dish is ideal for special occasions or a flavorful family dinner, delivering a perfect balance of savory and aromatic flavors.
Ingredients
Meat
- 1 (5 lb) bone-in leg of lamb
Herb Paste
- 2 tablespoons fresh rosemary, finely chopped
- 4 cloves garlic, minced
- Zest of 1 lemon
- 2 tablespoons Dijon mustard
- Salt and pepper to taste
Other
- 3 tablespoons extra virgin olive oil
Instructions
- Preheat Oven: Preheat your oven to 400°F (200°C) to prepare for roasting the lamb.
- Temper the Lamb: Remove the leg of lamb from the refrigerator and let it sit at room temperature for about 30 minutes to ensure even cooking.
- Prepare Herb Paste: In a small bowl, combine the finely chopped rosemary, minced garlic, lemon zest, salt, pepper, and Dijon mustard. Mix these ingredients thoroughly to form a flavorful paste.
- Apply Oil and Herb Mixture: Rub the leg of lamb evenly with the extra virgin olive oil, then generously coat it with the prepared herb mixture, pressing it firmly to adhere well.
- Roast Lamb: Place the lamb on a roasting rack set inside a roasting pan. Roast in the preheated oven for approximately 1 hour, or until the internal temperature reaches 135°F (57°C) for medium-rare doneness.
- Rest the Meat: Remove the lamb from the oven and let it rest for at least 15 minutes. This allows the juices to redistribute, ensuring tender and juicy slices.
- Carve and Serve: After resting, carve the lamb into slices and serve warm for a delicious main course.
Notes
- Allowing the lamb to rest after roasting is crucial for juicy meat.
- Use a meat thermometer to check internal temperature accurately.
- Letting the lamb reach room temperature before roasting helps even cooking.
- You can adjust herb quantities based on your flavor preference.
- For well-done lamb, roast longer until internal temperature reaches 160°F (71°C).

