Rosemary and Garlic Lamb Leg

This Rosemary and Garlic Roast Lamb is a wonderfully tender dish with a rich flavor profile, slow-cooked with fresh rosemary, garlic, and a touch of lemon. Nestled on a bed of potatoes, this dish transforms into an all-in-one meal that’s perfect for family gatherings or special occasions. The lamb cooks to perfection with crispy edges and juicy, flavorful meat, while the potatoes soak up all the rich pan juices.

Full Recipe:

Ingredients

For the Potatoes:

  • 8 all-purpose potatoes, peeled and cut into thick wedges

  • 2 onions, peeled and cut into thick wedges

  • 1 tbsp olive oil

  • ½ tsp sea salt flakes

  • ¼ tsp cracked black pepper

For the Lamb:

  • 2.5 kg (5 ½ lb) bone-in leg of lamb (can substitute with lamb shoulder)

  • 2 tbsp sea salt flakes (or 1 tbsp regular salt)

  • 1 tsp cracked black pepper

  • 2 tbsp finely chopped garlic

  • 2 rosemary sprigs, leaves picked and finely chopped

  • 1 tbsp dried oregano

  • ⅓ cup (80 ml) extra-virgin olive oil

  • 2 cups (500 ml) chicken stock

  • Juice of 1 large lemon

  • ¼ cup (60 ml) white wine (optional)

Directions

  1. Preheat the Oven: Set the oven to 170°C (350°F) or 150°C (300°F) for fan-forced.

  2. Prepare the Potatoes: Place the potatoes and onions in a large baking dish. Add olive oil, salt, and pepper, and toss to coat.

  3. Season the Lamb: Place the lamb on top of the potatoes. Rub it with salt, pepper, garlic, rosemary, oregano, and olive oil. Massage the marinade into the lamb.

  4. Add the Liquids: Pour chicken stock, lemon juice, and white wine (if using) around the lamb, being careful not to wash the marinade off.

  5. Roast: Cover the dish with a lid or a double layer of foil and roast for 4½ hours. After this time, check that the lamb can easily be pulled apart with two forks. If not, continue cooking for 30-minute intervals until the lamb is tender.

  6. Crisp the Lamb: To finish, increase the oven temperature to 240°C (475°F) and baste the lamb with pan juices. Roast uncovered for 20 minutes until golden brown.

  7. Rest the Lamb: Let the lamb rest for at least 10 minutes before serving. This allows the juices to redistribute.

  8. Serve: Serve the lamb with the potatoes, drizzled with the pan juices.

Nutrients

  • Calories: ~500 kcal per serving (depends on portion size)

  • Protein: ~40g

  • Carbohydrates: ~30g

  • Fat: ~25g

  • Saturated Fat: ~10g

  • Cholesterol: ~90mg

  • Sodium: ~700mg

  • Potassium: ~1000mg

  • Fiber: ~5g

  • Sugar: ~3g

The Perfect Meat: Why Lamb Works So Well in This Recipe

Lamb is often considered a delicacy in many parts of the world, and it’s easy to see why when you take a bite of a tender, slow-cooked leg of lamb. Lamb has a unique flavor that sets it apart from other meats. Its slightly earthy taste pairs perfectly with strong herbs like rosemary and garlic. The slow-roasting process helps break down the fat and connective tissue in the meat, transforming it into a melt-in-your-mouth delight.

Choosing the right cut is essential for this dish. A bone-in leg of lamb is ideal because the bone imparts even more flavor during the cooking process, and it holds the meat together beautifully. If you’re looking for a slightly different option, lamb shoulder is a fantastic alternative. It’s a little fattier, which can make it even more flavorful when roasted low and slow. Regardless of the cut you choose, the slow cooking method ensures that the meat becomes beautifully tender while maintaining a crispy outer layer that is full of flavor.

The Magic of Slow Roasting: How It Transforms Lamb

Slow roasting is the key to achieving that perfect balance of juicy, tender meat with crispy edges. The lamb is seasoned with garlic, rosemary, and olive oil, which infuse the meat with aromatic flavors. As the lamb cooks at a low temperature, the meat becomes incredibly tender, easily pulling apart with a fork once it’s done. The fat in the lamb melts and bastes the meat, adding richness and depth to each bite.

One of the best aspects of slow-roasting the lamb is the way the potatoes and onions become infused with the savory juices from the meat. These vegetables take on a deliciously rich flavor, turning into a side dish in their own right. The potatoes soak up the lamb’s juices, while the onions caramelize, adding a touch of sweetness that contrasts beautifully with the savory lamb.

Herbs and Seasonings: Enhancing the Natural Flavor of Lamb

The herbs and seasonings in this recipe are key to creating the mouthwatering flavor profile that defines this dish. Rosemary and garlic are classic companions for lamb, bringing out its natural flavors in a way that is both simple and sophisticated. The rosemary adds a woodsy, slightly piney flavor, while the garlic provides depth and richness.

In addition to these two powerhouse ingredients, dried oregano is added for a touch of earthiness and extra depth. A squeeze of fresh lemon juice helps to brighten up the flavors, cutting through the richness of the lamb and adding a fresh, zesty finish. The combination of these ingredients creates a balanced flavor profile that enhances the lamb’s natural taste without overpowering it.

Potatoes and Onions: The Perfect Bed for the Lamb

One of the best things about this dish is that it’s essentially an all-in-one meal. The lamb sits on a bed of potatoes and onions, allowing them to cook in the flavorful juices that are released as the lamb roasts. The potatoes, cut into thick wedges, become crispy on the edges while staying soft and tender on the inside. They absorb the rich flavors of the lamb, becoming a delicious side dish in their own right.

The onions, also cut into wedges, caramelize and add a touch of sweetness that balances the savory lamb. As they roast, they become soft and golden, providing a lovely contrast to the richness of the lamb and potatoes. Together, the lamb, potatoes, and onions create a well-rounded dish that is satisfying and comforting.

The Importance of Resting the Lamb

Once the lamb has finished roasting, it’s important to let it rest for at least 10 minutes before carving. This allows the juices inside the meat to redistribute, ensuring that the lamb remains juicy and tender. If you skip this step, you risk losing some of the flavorful juices when you carve the meat, which can result in dry lamb. Resting the lamb allows the fibers to relax, making it easier to slice and ensuring each piece is juicy and full of flavor.

Serving Suggestions: What to Pair with Rosemary and Garlic Roast Lamb

While this dish is a complete meal on its own, there are several ways you can serve it to elevate the experience even further. A fresh green salad with a tangy vinaigrette can provide a refreshing contrast to the richness of the lamb. You could also serve the lamb with a side of roasted vegetables, such as carrots or Brussels sprouts, to add variety and texture.

For a more indulgent meal, consider pairing the lamb with a glass of full-bodied red wine, such as a Cabernet Sauvignon or a Shiraz. The bold flavors of the wine complement the richness of the lamb and add a touch of sophistication to the meal.

Nutritional Benefits of Rosemary and Garlic Roast Lamb

This dish is not only delicious but also provides several nutritional benefits. Lamb is an excellent source of high-quality protein, which is essential for muscle growth and repair. It’s also rich in essential vitamins and minerals, including iron, zinc, and vitamin B12, all of which play important roles in maintaining overall health.

The addition of potatoes provides a good source of carbohydrates, which offer energy and help to keep you feeling full. The olive oil used in the recipe adds healthy fats, which are important for heart health. Additionally, the garlic and rosemary provide antioxidants that can help to boost your immune system and protect your body from oxidative stress.

Conclusion: A Timeless Dish for Any Occasion

Rosemary and Garlic Roast Lamb is a dish that brings together the best of simple, flavorful ingredients and slow-cooked perfection. Whether you’re preparing a special meal for a holiday or simply looking to impress your family with a comforting dinner, this recipe is sure to become a favorite. The combination of tender lamb, crispy potatoes, and aromatic herbs creates a dish that is both satisfying and memorable. With a little patience and the right ingredients, you can create a meal that will have everyone at the table asking for seconds.

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