Roasted Lamb Leg with Rosemary

A perfectly roasted lamb leg with rosemary and garlic rests on a bed of caramelized onions and carrots, glistening with pan juices. Pin It
A perfectly roasted lamb leg with rosemary and garlic rests on a bed of caramelized onions and carrots, glistening with pan juices. | spoonfulsaga.com

This dish features a bone-in lamb leg seasoned with fresh rosemary, garlic, and aromatic herbs. The lamb is carefully marinated, infused with slivers of garlic, and roasted atop a bed of onions and carrots. Slow roasting ensures a tender, juicy texture while the blend of herbs imparts fragrant Mediterranean flavors. Resting the meat before carving locks in the juices for a deliciously hearty meal perfect for gatherings.

The smell of roasting lamb has always signaled something special in our house. I remember my grandmother explaining that patience is the secret ingredient, watching the oven door with that knowing smile. Now whenever I slide that heavy pan into the oven, I feel connected to generations of cooks who understood that some things cannot be rushed.

Last Easter, my sister requested this exact recipe. The house filled with those impossible-to-describe aromas that make everyone hover around the kitchen asking when dinner will be ready. Seeing six people around the table, reaching for seconds, the pan juices disappearing faster than the meat itself.

Ingredients

  • Bone-in leg of lamb: The bone adds incredible depth of flavor and helps keep the meat moist during its long oven journey
  • Olive oil: Use the good stuff here since it carries those herbs directly into the meat
  • Fresh rosemary: Nothing compares to the piney fragrance of fresh rosemary, though dried will work in a pinch
  • Garlic cloves: Tucking these into little slits means every slice comes with pockets of roasted sweetness
  • Lemon zest: This bright surprise cuts through the richness and wakes up all the other flavors
  • Coarse sea salt: The larger crystals dissolve slowly, seasoning layers as they work their way in
  • Onions and carrots: These humble vegetables transform into the sweetest, most caramelized base for your pan juices
  • White wine or stock: This creates those miraculous pan juices you will want to spoon over everything

Instructions

Get your oven ready:
Preheat to 200°C (400°F) and pat that lamb completely dry with paper towels until the surface feels tacky and ready to receive all that flavor.
Make the magic paste:
Mix olive oil, chopped rosemary, thyme, lemon zest, salt, and pepper in a small bowl until it becomes a fragrant, spreadable mixture.
Insert the flavor:
Using a sharp knife, cut deep slits all over the lamb and tuck those halved garlic cloves inside like little hidden treasures.
Coat the lamb:
Rub the herb mixture over every inch of the lamb, pressing gently to help it adhere and really work into the meat.
Build the bed:
Arrange sliced onions, carrot chunks, and that halved garlic bulb in your roasting pan to create a vegetable throne for the lamb.
Position and pour:
Set the lamb on its vegetable bed and pour the wine or stock into the pan, being careful not to wash off your herb rub.
The initial sear:
Roast at high heat for 20 minutes to develop that gorgeous crust everyone fights over at the table.
Slow and steady:
Reduce heat to 180°C (350°F) and continue roasting for about 1 hour 10 minutes, basting occasionally with those developing pan juices until it reaches 60°C (140°F) for medium-rare.
The resting ritual:
Remove from oven, tent loosely with foil, and let it rest for at least 15 minutes because this is absolutely not the step to skip.
Serve and savor:
Carve into thin slices and serve with those roasted vegetables and pan juices that have become liquid gold.
Roasted Lamb Leg with Rosemary and Garlic slices showcase tender, pink meat infused with aromatic herbs, served with roasted vegetables and a drizzle of sauce. Pin It
Roasted Lamb Leg with Rosemary and Garlic slices showcase tender, pink meat infused with aromatic herbs, served with roasted vegetables and a drizzle of sauce. | spoonfulsaga.com

My father-in-law still talks about the first time he had this at our Sunday dinner, surprised that lamb could taste so much better than his previous experiences. Sometimes the simplest preparations, executed with care, create the most lasting memories.

Timing Is Everything

I have learned that bringing the lamb to room temperature for an hour before roasting makes a noticeable difference in even cooking. Also, that 20 minute initial blast of high heat creates the kind of crust that makes people think you are hiding professional kitchen skills.

The Vegetable Secret

Those bed vegetables might look humble, but they are doing serious work absorbing all those delicious drippings. Do not be surprised if the carrots and onions disappear faster than the lamb itself.

Making It Ahead

You can rub the lamb with the herb mixture the night before and let it sit, covered, in the refrigerator. This extra time lets those flavors penetrate deeper into the meat, and honestly, anything you can do ahead of time makes the actual cooking day feel more relaxed.

  • If you do marinate overnight, let the lamb sit at room temperature for an hour before roasting
  • The pan juices can be skimmed of fat and made into an incredible gravy if you want to dress it up even more
  • Leftovers make the most incredible sandwiches the next day, if you somehow have any remaining
Golden-brown Roasted Lamb Leg with Rosemary and Garlic rests on a rustic platter, surrounded by caramelized carrots and onions for a hearty family meal. Pin It
Golden-brown Roasted Lamb Leg with Rosemary and Garlic rests on a rustic platter, surrounded by caramelized carrots and onions for a hearty family meal. | spoonfulsaga.com

There is something deeply satisfying about placing that golden, crusty leg of lamb on the table and watching everyone lean in a little closer. Good food has a way of making ordinary moments feel like celebrations.

Roasted Lamb Leg with Rosemary

Tender lamb leg roasted with rosemary, garlic, and vegetables, delivering rich Mediterranean flavors.

Prep 20m
Cook 90m
Total 110m
Servings 6
Difficulty Medium

Ingredients

Meat

  • 5 lb bone-in leg of lamb, trimmed

Marinade & Seasoning

  • 4 tbsp olive oil
  • 6 garlic cloves, peeled and halved
  • 2 tbsp fresh rosemary leaves, chopped
  • 1 tbsp fresh thyme leaves
  • 1 tbsp coarse sea salt
  • 1 ½ tsp black pepper
  • Zest of 1 lemon

Vegetables

  • 2 large onions, thickly sliced
  • 3 large carrots, cut into large chunks
  • 1 bulb garlic, halved horizontally

Liquids

  • 1 cup dry white wine or low-sodium chicken stock

Instructions

1
Preheat and Prepare Lamb: Preheat the oven to 400°F. Pat the lamb leg completely dry with paper towels to ensure proper browning.
2
Create Herb Paste: In a small bowl, combine olive oil, chopped rosemary, thyme, lemon zest, salt, and pepper. Mix thoroughly to form a paste.
3
Score and Insert Garlic: Using a sharp knife, cut deep slits all over the lamb. Push halved garlic cloves into each slit to infuse flavor throughout.
4
Season the Lamb: Rub the herb mixture evenly over the entire surface of the lamb, pressing firmly to adhere.
5
Prepare Roasting Bed: Arrange onion slices, carrot chunks, and halved garlic bulb in a large roasting pan to create a vegetable bed.
6
Position Lamb and Add Liquid: Place the seasoned lamb leg directly on top of the vegetables. Pour wine or stock into the bottom of the pan.
7
Initial High-Heat Roast: Roast at 400°F for 20 minutes to develop a caramelized exterior crust.
8
Finish Roasting: Reduce oven temperature to 350°F. Continue roasting for 1 hour 10 minutes for medium-rare (internal temperature 140°F), basting every 20 minutes with pan juices.
9
Rest Before Carving: Remove lamb from oven and tent loosely with aluminum foil. Let rest for 15-20 minutes to allow juices to redistribute throughout the meat.
10
Slice and Serve: Carve the lamb against the grain into thin slices. Serve with roasted vegetables and drizzle with pan juices.
Additional Information

Equipment Needed

  • Large roasting pan
  • Sharp knife
  • Small mixing bowl
  • Basting brush or spoon
  • Meat thermometer
  • Aluminum foil

Nutrition (Per Serving)

Calories 490
Protein 52g
Carbs 9g
Fat 27g

Allergy Information

  • No common allergens present. Verify wine or stock labels for potential additives or allergens.
Audrey Bennett

Audrey shares approachable, flavorful recipes and practical kitchen wisdom for fellow food lovers.