Name: Slow-Roasted Leg of Lamb
Prep time: 20 min
Cook time: 4 h 30 min
Total time: 4 h 50 min
Yield: 8
Ingredients: 2 kg Leg of lamb, bone-in (room temperature before roasting); 2 tbsp Olive oil; 1 tsp Salt (plus ½ tsp for seasoning before roasting); 0.5 tsp Black pepper (plus ½ tsp for seasoning before roasting); 4 cloves Garlic cloves, minced; 1 tbsp Fresh thyme leaves; 1 tbsp Fresh rosemary, chopped; 2 pieces Carrots, chopped; 2 pieces Onions, quartered; 6 cloves Garlic cloves, whole; 300 ml Chicken stock or broth; Foil (for covering during roasting); 30 g Fresh mint leaves (about 1 bunch); 2 tbsp Boiling water; 2 tbsp White wine vinegar; 1 tsp Sugar; Salt (pinch)

Prep time

20 mins

Cook time

270 mins

Total time

290 mins

Servings

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When you’re feeding a crowd or celebrating a special occasion, a slow-roasted leg of lamb is an unbeatable choice. Tender, flavorful, and practically falling off the bone, this recipe is a make-ahead dream that lets your oven do the heavy lifting.

Why You'll Love This

Fall-apart tender: Four hours of slow roasting turns the lamb meltingly soft.
Fragrant and herby: A garlic, rosemary, and thyme marinade infuses every bite.
Minimal hands-on time: The oven takes care of most of the work.

🧄 Marinate for Maximum Flavor

The key to this recipe is giving the lamb enough time to absorb all the aromatic herbs and garlic. Ideally, marinate the lamb the night before. If you're short on time, even 4 hours will work wonders.

💡 Tip: For extra depth, use a mortar and pestle to crush the garlic with the herbs and salt before mixing in the olive oil.

🔥 Slow Roast Method

After marinating, let the lamb come to room temperature while you prepare the roasting tray. Scatter carrots, onions, and whole garlic cloves at the bottom for a built-in side dish and flavor base. Pour in chicken stock for moisture and nestle the lamb on top. Cover tightly with foil and let it slow-roast to perfection.

Near the end, uncover and baste the lamb to get that irresistible golden-brown finish.

🌡️ Internal Temperature Guide

Depending on how you like your lamb, aim for these internal temps:

60–65°C – Medium (slightly pink)
70–75°C – Well-done and tender
80°C+ – Ultra tender, falling off the bone

Always rest the meat for at least 30 minutes before carving—this keeps the juices where they belong.

🍃 Bonus: Fresh Mint Sauce

Lamb and mint are a timeless duo. This fresh mint sauce is simple to whip up and adds brightness to the rich roast.

It’s as easy as combining mint, vinegar, sugar, and a splash of boiling water. Let it sit for at least 15 minutes to develop the flavor.

🥗 Serving Suggestions

Serve your slow-roasted lamb with:

Roasted potatoes or creamy mash
Steamed green beans or peas
Crusty bread to soak up the juices

And don’t forget the mint sauce!

🧽 Clean-up Tip

After roasting, the pan will have lots of flavorful juices. Pour them into a saucepan and simmer to concentrate into a quick gravy—or just drizzle directly over carved slices.

🙌 Make It Your Own

Feel free to experiment with spices in the marinade. A touch of ground cumin or smoked paprika adds a different dimension. If you're making this for Easter or a holiday, pair with spring vegetables or a bright lemony salad to balance the richness.