Oven Roasted Leg of Lamb: 5 Steps for Juicy Results
Introduction
If you’re searching for a mouthwatering, juicy, and incredibly flavorful main course that will impress your family or dinner guests, look no further than this oven roasted leg of lamb. With its tender meat, crispy golden crust, and rich herb-garlic marinade, this recipe is a true showstopper — and the best part? It’s surprisingly easy to make!
Fun fact: leg of lamb has been a centerpiece in Easter feasts and holiday dinners across many cultures. But you don’t need a special occasion to enjoy this hearty and wholesome dish. I first made this roast for a cozy Sunday family dinner, and it instantly became a favorite. Juicy, flavorful, and deeply satisfying — it’s the kind of recipe that brings people together around the table.
Compared to our popular Herb-Crusted Prime Rib Roast, the leg of lamb is just as flavorful but more budget-friendly and faster to prepare. Whether you’re a seasoned home cook or trying lamb for the first time, this recipe will make you feel like a pro. oven roasted leg of lamb
Ready to impress your guests (or just treat yourself)? Let’s get into it!
What is Oven Roasted Leg of Lamb?
So, what exactly is oven roasted leg of lamb? Aside from being a delicious mouthful to say, it’s exactly what it sounds like: a whole leg of lamb seasoned with herbs, garlic, and olive oil, then slow-roasted to juicy perfection in your oven.
Why a leg? Well, it’s one of the most tender and flavorful cuts of lamb. It’s the kind of dish that makes your home smell like a five-star restaurant. Ever heard the saying “the way to a man’s heart is through his stomach”? This is that dish.
Don’t be intimidated by the idea of roasting a whole leg. You’ll be amazed at how simple it is once you get started. Go ahead, give it a try—your dinner table deserves it!
Why You’ll Love This Oven Roasted Leg of Lamb
1. Tender, Juicy Meat
The magic of slow-roasting ensures your lamb comes out succulent and perfectly pink in the center, with a crisp, flavorful crust on the outside. It’s a harmony of textures that will have everyone asking for seconds.
2. Cost-Effective for a Crowd
Buying a leg of lamb might sound fancy, but it’s actually an affordable way to feed a crowd. One leg easily serves 6-8 people, making it ideal for family dinners, holidays, or meal prep.
3. Herby, Garlic-Infused Flavor
The marinade of rosemary, thyme, garlic, and lemon makes this dish burst with flavor. It’s a savory combination that pairs perfectly with the rich lamb.
Love our Garlic Butter Roast Chicken? You’ll adore this recipe too. It’s the same juicy, aromatic goodness in a more elevated form.
So go ahead — preheat that oven and fall in love with lamb.
How to Make Oven Roasted Leg of Lamb
Quick Overview
This dish is easier than it looks. You’ll marinate the lamb with a simple herb and garlic paste, let it rest to soak in the flavors, then roast it in the oven for about 1.5 to 2 hours. It’s that easy. Total hands-on prep time? Just 20 minutes!
Key Ingredients for Oven Roasted Leg of Lamb
| Ingredient | Quantity |
| Bone-in leg of lamb | 2.5 to 3 kg |
| Garlic cloves (minced) | 8 cloves |
| Fresh rosemary (chopped) | 2 tbsp |
| Fresh thyme (chopped) | 1 tbsp |
| Olive oil | 3 tbsp |
| Lemon juice | 2 tbsp |
| Salt | 1.5 tsp |
| Black pepper | 1 tsp |
| Dijon mustard (optional) | 1 tbsp |
Step-by-Step Instructions
- Prepare the Marinade
In a small bowl, mix the minced garlic, rosemary, thyme, olive oil, lemon juice, salt, pepper, and mustard (if using). - Score and Season the Lamb
Using a sharp knife, score the top of the lamb in a criss-cross pattern. Rub the marinade generously all over the meat, pushing it into the cuts for maximum flavor. - Let it Marinate
Ideally, let the lamb marinate for 2-4 hours in the fridge. If you’re short on time, 30 minutes will do. - Roast the Lamb
Preheat your oven to 190°C (375°F). Place the lamb in a roasting pan and roast for:- Medium-rare: 20 minutes per 500g
- Medium: 25 minutes per 500g
- Use a meat thermometer for best results (aim for 60°C/140°F for medium-rare).
- Rest and Carve
Let the lamb rest for 15-20 minutes under foil before carving. This helps retain the juices and makes slicing easier.
What to Serve Oven Roasted Leg of Lamb With
This lamb pairs beautifully with:
- Garlic Mashed Potatoes – Creamy and comforting.
- Honey Glazed Carrots – Adds a touch of sweetness.
- Roasted Brussels Sprouts – For a crisp, earthy bite.
- Red Wine or Mint Sauce – Complements the richness of the lamb.
Serve with a glass of bold red wine or a cool cucumber yogurt dip for balance.
Top Tips for Perfecting Oven Roasted Leg of Lamb
- Room Temperature Meat: Always bring the lamb to room temperature before roasting to ensure even cooking.
- Don’t Skip the Rest: Resting is essential for juicy, tender meat.
- Marinade Overnight: If you have time, marinate the lamb overnight for deeper flavor.
- Substitute Herbs: No rosemary? Try oregano or parsley.
- Avoid Overcooking: Use a meat thermometer to avoid drying it out.
Storing and Reheating Tips
Refrigeration:
- Store leftover lamb in an airtight container in the fridge for up to 4 days.
Freezing:
- Slice the lamb and freeze in a zip-top bag or freezer-safe container for up to 2 months.
Reheating:
- For best results, reheat slices in a covered baking dish at 160°C (325°F) for 10-15 minutes with a splash of broth or water to keep it moist.