Roast lamb with rosemary and garlic is a timeless dish that brings together rich, tender lamb with the bold, aromatic flavors of fresh rosemary and garlic. This dish is a perfect centerpiece for special occasions like Easter, family gatherings, or any celebration that calls for a hearty and flavorful main course. The combination of the succulent lamb and fragrant herbs creates an unforgettable meal that’s both comforting and elegant.
The key to a perfect roast lamb is in the seasoning. Fresh rosemary, with its earthy, pine-like flavor, pairs wonderfully with garlic, which adds a savory depth. The lamb is rubbed with minced garlic, chopped rosemary, olive oil, and a touch of salt and pepper, ensuring the meat is evenly coated with the aromatic blend. The mixture infuses the lamb with flavor as it roasts, creating a crisp, flavorful crust on the outside while keeping the inside tender and juicy.
The lamb should be roasted slowly at a moderate temperature, allowing the meat to cook evenly and develop a rich flavor. The slow roasting process allows the fat to render, keeping the lamb moist while enhancing its natural flavor. The result is a beautifully golden-brown exterior with a tender, juicy interior. For the perfect roast, the meat should be cooked to your desired level of doneness, whether it’s medium-rare, medium, or well-done.
To complement the roast lamb, you can serve it with a variety of side dishes. Classic accompaniments like roasted vegetables, mashed potatoes, or a fresh green salad all pair beautifully with lamb. A drizzle of pan juices or a flavorful gravy made from the lamb drippings can enhance the richness of the meat, making each bite even more indulgent.
Roast lamb with rosemary and garlic is a dish that never fails to impress, combining simple ingredients with exceptional flavor. It’s a crowd-pleasing recipe that’s perfect for any occasion, offering a savory and satisfying meal that will be remembered long after the table is cleared.

Ingredients
- 1.5 kg lamb leg bone-in
- 4 cloves garlic sliced
- 2 tablespoons fresh rosemary chopped
- 3 tablespoons olive oil
- to taste salt
- to taste black pepper freshly ground
Instructions
- Preheat the oven to 180°C (350°F).
- Make small incisions all over the lamb leg and insert slices of garlic into them.
- Rub the lamb with olive oil and season generously with rosemary, salt, and pepper.
- Place the lamb on a roasting rack in a roasting pan.
- Roast in the preheated oven for 90 minutes or until the lamb is cooked to your liking.
- Remove from the oven and let the lamb rest for 15 minutes before carving.
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This recipe was a game changer! The lamb came out so juicy and full of flavor. Perfect for Easter dinner!
Why not use thyme instead of rosemary? I think I’d like that flavor more. 🤷♂️
Thyme would work too! But rosemary gives it a nice flavor. Just try it both ways maybe! 😊
I prefer my lamb with mint sauce! But the garlic was strong in this, loved it tho. 😋
I thought lamb was too gamey, but this recipe changed my mind. So good! 🙂
Not bad, but the seasoning felt heavy on rosemary. I love rosemary normally, but 2 tbsp fresh was kinda intense for my family. Maybe half next time.
Seriously, who eats lamb? It’s expensive and tastes weird. Just stick to chicken.
Made this for dinner and it smelled amazing while roasting. The garlic pockets were so juicy. I rested it the full 15 min and the slices came out perfect.
I used dried rosemary instead of fresh, it was not the same. Gotta get fresh next time.
Lamb + Garlic = Love ❤️
This is straightforward and the incisions step is genius. I used a meat thermometer because “to your liking” is vague, but flavor-wise it was exactly what I wanted.
Lamb is not my thing, I think it tastes like wild animal. But my friends say it was delish.
I don’t know if I did something wrong, but my lamb was super tough. Disappointed.
Maybe you cooked it too long? Lamb should be tender if done right. Try not to overcook it next time!
This recipe is amazing! The lamb turned out so tender and juicy, my family loved it. ❤️
I followed the instructions but it was kinda dry. I might have overcooked it. 😕
The garlic slices in the cuts were actually perfect—some get a little caramelized which tastes amazing. Next time I’ll add a squeeze of lemon at the end to brighten it up.
Lemon at the end sounds interesting but I worry it’ll clash with rosemary/lamb. Do you squeeze it on top after resting or mix into the pan juices?
Yes! That caramelized garlic is the best part. I’ve started doing the same incisions on my roasts—makes it so flavorful.
So easy to make and wow the flavors! Rosemary and garlic… perfection. Will definitely make again!
I tried this recipe last night and it turned out amazing too! I added some lemon zest and it was delicious. Highly recommend it!
Looks good but lamb is too fatty for my taste. Can’t believe people eat that much fat. What’s the point?
Lamb is good but I prefer grilled chicken. To each their own, I guess.
This roast is simply divine! The garlic and rosemary combo is out of this world. 5 stars!
Perfect for Sunday dinner. It was epic!! 🌟
Take it from me, this roast is the best thing I ever made. So juicy!
Juicy? You sure it’s not too dry? I’ve had some bad roast lamb before, so I’m skeptical.
I totally agree! Lamb is my favorite meat and this recipe sounds amazing. Can’t wait to try it out!
Very easy! I made it for my in-laws and they were impressed. Also, I added some veggies in the pan. Great way to cook! ⭐⭐⭐⭐
Sounds delicious! I’m glad your in-laws enjoyed it. Adding veggies is a smart twist. I’ll definitely try that next time! 🍖
Meh, it was okay. I guess I expected more flavor. 😒
I’m skeptical about “90 minutes for 1.5 kg” because my oven is weird. Also, I think you should mention internal temp (like 63°C for medium), otherwise people guess a lot.
I followed the steps exactly, but mine came out kinda dry. Maybe my lamb was lean, idk. Still tasty—just not the juicy kind I was hoping for.
180°C for 90 min feels a bit long for a smaller/leaner piece. Mine always comes out drier if I don’t baste at least once (even just with the pan juices). You can also cover with foil for the last 30 min. Not saying you did wrong—just ovens and lambs differ!
That sounds like an over-roast issue, even if the time matched. Lamb leg can vary a lot—next time check doneness with a thermometer (pull around 60–63°C for medium). The 15 min rest helps, but not if it’s already too far along. Also, leaning lamb is still usually fine if there’s enough fat rendered and you tent it lightly if it’s browning fast.
This was okay, but it took way longer than 90 mins in my oven. Could be my oven tho.
Not bad, but 180°C felt a bit low for my oven. The outside didn’t get as browned as I like. I’ll crank it up next time and tent with foil if needed.
Is it really necessary to use fresh rosemary? I used dried and it was still good. Just sayin’.
Lamb is gross. Why would you eat a baby sheep? No thanks! 1 star for the effort.
Are you sure this is the right time to roast? 90 minutes seems too long for a leg!!!
I followed it exactly and my lamb was kinda tough… maybe my lamb was older? Also I didn’t know if “180°C” should be fan/conv. The flavor was there, just texture wasn’t.