Roasted Lamb with Vegetables Recipe

If you’re craving a hearty, flavorful dinner that’s sure to impress but won’t leave you stressed, you’re going to adore this Roasted Lamb with Vegetables Recipe. I remember the first time I made it—I was looking for something special to serve my family, and this recipe absolutely stole the show. Tender, juicy lamb paired with perfectly roasted carrots, potatoes, and leeks creates a meal that’s both rustic and elegant. Stick with me, and I’ll share all my tips so you get that perfect golden crust and a juicy inside every time.

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Why You’ll Love This Recipe

  • Simple But Elegant: With a handful of fresh ingredients, you get a restaurant-quality meal that’s perfect for any occasion.
  • Balanced Flavors: The lemon, garlic, and fresh herbs perfectly complement the rich lamb and sweet vegetables.
  • Family Favorite: My family goes crazy for the tender lamb and roasted veggies every time I make this.
  • Hands-Off Cooking: Once it’s in the oven, you have time to relax or prep your side dishes, making entertaining easier.

Ingredients You’ll Need

The combination here is classic and timeless. I like using fresh rosemary and thyme because the aroma they develop while roasting is simply irresistible. When shopping, look for a nice boneless leg of lamb that’s evenly shaped—it makes carving and cooking way easier.

  • Boneless leg of lamb: Choose a fresh cut about 4-5 pounds for even roasting and portioning.
  • Olive oil: Use good quality extra virgin olive oil to gently coat the lamb and veggies.
  • Fresh lemon juice and zest: Adds brightness and cuts through the richness of the lamb beautifully.
  • Garlic cloves: Finely chopped or pressed to infuse deep savory notes throughout.
  • Fresh rosemary and thyme: These herbs are essential for that classic lamb flavor; fresh is best, but dried can work in a pinch.
  • Russet potatoes: Thick rounds of russets roast up fluffy inside with a golden exterior.
  • Leek stalk: Adds subtle onion-like sweetness and a nice texture contrast.
  • Baby carrots (or regular carrots): Their natural sweetness caramelizes in the oven, complementing the lamb perfectly.
  • Salt and pepper: Season liberally—this is key for flavor development.
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Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love how versatile this Roasted Lamb with Vegetables Recipe is. Over time, I’ve tried swapping in different veggies or altering the herbs depending on what I have on hand—feel free to make it your own!

  • Herb Swap: Once, I made this with fresh oregano and mint for a Mediterranean twist—it was a hit at a summer dinner party.
  • Vegetable Variety: Adding parsnips or sweet potatoes adds a lovely sweetness that balances the savory meat.
  • Spicy Kick: If you like a little heat, sprinkle some crushed red pepper flakes on the veggies before roasting.
  • Smaller Portions: You can also use leg lamb steaks instead of a whole roast for a quicker version.

How to Make Roasted Lamb with Vegetables Recipe

Step 1: Marinade Magic

Start by mixing your olive oil, lemon juice, lemon zest, garlic, rosemary, thyme, salt, and pepper in a small bowl. I like to rub this all over the boneless leg of lamb, making sure to coat every inch. This marinade is where all the flavor happens, so don’t be shy! If you have time, let it rest in the fridge for a couple of hours or even overnight. I once skipped this step, and while it still turned out tasty, the extra marinating really amps up the flavor.

Step 2: Prepare the Vegetables

While your lamb marinates, prep your vegetables. Peel and cut the russet potatoes into thick rounds so they don’t break down while roasting. Slice the leek stalk into chunks and prep the carrots similarly. Toss everything in a bit of olive oil, sprinkle with salt and pepper, and arrange them in the roasting pan around the lamb. This way, they soak up all the meaty juices and roast to tender, caramelized perfection.

Step 3: Roast It Right

Preheat your oven to 350°F (175°C). Place the pan in the oven and roast for about 90 minutes. I usually check the internal temperature around the 75-minute mark—aim for about 135°F (57°C) for medium rare, or longer if you prefer it more done. Rest the lamb for at least 15 minutes outside the oven before slicing; this helps retain those juicy juices we love. Meanwhile, the vegetables keep roasting in the lamb’s own flavorful drippings, turning out irresistibly sweet and tender.

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Pro Tips for Making Roasted Lamb with Vegetables Recipe

  • Room Temperature Lamb: Let your lamb sit out for 30 minutes before roasting to ensure even cooking.
  • Use a Meat Thermometer: I swear by this—it takes the guesswork out and guarantees perfectly cooked lamb every time.
  • Resting is Key: Don’t skip resting; it redistributes the juices so your slices aren’t dry.
  • Keep Veggies Rustic: Cutting potatoes and carrots into thick pieces prevents them from turning mushy during the long roast.

How to Serve Roasted Lamb with Vegetables Recipe

The image shows five slices of cooked meat placed in a row on a rich wooden cutting board with a deep brown color and a textured pattern. Each slice has a browned, slightly charred outer layer with a mix of dark and light brown shades and a tender pinkish interior in the middle. The meat looks juicy and soft with a mix of smooth and rough textures on the surface. To the left, there is a large, dark-handled knife resting on the board, its metallic blade facing inward. The setting is on a white marbled surface visible at the edges, creating a clean and fresh contrast with the warm tones of the meat and board. photo taken with an iphone --ar 4:5 --v 7

Garnishes

I love topping this dish with freshly chopped parsley or a sprinkle of flaky sea salt right before serving. It adds a pop of color and a fresh burst that just brightens every bite.

Side Dishes

This roast pairs beautifully with a simple green salad dressed with lemon vinaigrette or a creamy garlic mashed potato if you want extra comfort. I’ve also served it alongside warm crusty bread to mop up all the juicy pan drippings—absolutely heavenly.

Creative Ways to Present

For special occasions, I like to slice the lamb and fan it out on a large platter with the roasted vegetables piled in the middle. Adding sprigs of fresh rosemary and thyme around the edges makes it look straight out of a store-bought menu—and it’s surprisingly easy to pull off!

Make Ahead and Storage

Storing Leftovers

I store leftover lamb and veggies in airtight containers in the fridge, and they keep well for up to 3 days. The flavors actually deepen overnight, so it’s great for next-day meals.

Freezing

If you want to freeze, slice the lamb first and freeze it separately from the vegetables. Use freezer-safe bags or containers, and they stay good for about 2 months. When I’ve done this, I found it best to freeze in portions so you can thaw only what you need.

Reheating

To reheat, I gently warm the lamb slices in a low oven or covered pan with a splash of broth to keep it moist. The veggies do great reheated in a skillet or the oven as well. Avoid microwaving for extended periods—it tends to dry things out.

FAQs

  1. Can I use bone-in leg of lamb for this recipe?

    Absolutely! The cooking time may be slightly longer, and I recommend using a meat thermometer to check for doneness. The bone adds flavor and can help retain moisture, but keep in mind it might affect how the veggies cook around it.

  2. What temperature should the lamb be cooked to?

    For medium rare, aim for an internal temperature of about 135°F (57°C) before resting. The temperature will rise a bit while resting. If you prefer it more done, cook it to around 145°F (63°C) for medium.

  3. Can I prepare this recipe ahead of time?

    Yes! You can marinate the lamb up to 24 hours in advance and prep the vegetables the day before. Just keep everything covered and refrigerated until you’re ready to roast.

  4. What if I don’t have fresh rosemary or thyme?

    Dried herbs can work in a pinch—use about a third of the quantity since dried herbs are more concentrated. Though fresh herbs do give the best flavor and aroma during roasting.

Final Thoughts

This Roasted Lamb with Vegetables Recipe has become a staple in my kitchen for good reason. It’s reliably delicious, comforting, and manageable even on a busy day. I love how it brings everyone together—it’s one of those meals that creates happy memories. I hope you give it a try soon, and that it becomes one of your favorites too!

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Roasted Lamb with Vegetables Recipe

Roasted Lamb with Vegetables Recipe

4.6 from 73 reviews
  • Author: Emily
  • Prep Time: 30 minutes
  • Cook Time: 90 minutes
  • Total Time: 2 hours
  • Yield: 8 servings 1x
  • Category: Main Course
  • Method: Roasting
  • Cuisine: Mediterranean

Description

This Roasted Boneless Leg of Lamb with Vegetables is a flavorful and hearty meal perfect for family dinners or special occasions. The lamb is marinated with olive oil, lemon juice, garlic, rosemary, and thyme, then roasted to juicy perfection alongside a medley of potatoes, leeks, and carrots. The dish combines tender, aromatic lamb with perfectly roasted, tender vegetables, making it a satisfying and impressive centerpiece for any table.


Ingredients

Scale

Lamb Marinade

  • 1 boneless leg of lamb (4.5 lbs)
  • 2 Tbsp olive oil
  • 1 Tbsp freshly squeezed lemon juice
  • Zest from one lemon
  • 8 garlic cloves (finely chopped or pressed)
  • 2 Tbsp chopped fresh rosemary
  • 2 Tbsp chopped fresh thyme
  • Salt and pepper to taste

Vegetables

  • 2 large russet potatoes (washed, peeled and cut into thick rounds)
  • 1 leek stalk (washed well, cut into thick rounds)
  • 1 lb baby carrots (or regular carrots cut into thick rounds)


Instructions

  1. Prepare the Marinade: In a bowl, combine olive oil, lemon juice, lemon zest, chopped garlic, fresh rosemary, fresh thyme, salt, and pepper. Mix well to create a flavorful marinade.
  2. Marinate the Lamb: Rub the marinade all over the boneless leg of lamb, ensuring even coverage. Let it marinate for at least 30 minutes to allow the flavors to permeate the meat.
  3. Preheat the Oven: Preheat your oven to 375°F (190°C) to prepare for roasting.
  4. Arrange Vegetables: In a large roasting pan, place the thick rounds of russet potatoes, leek, and carrots in an even layer. Drizzle with a little olive oil and season with salt and pepper.
  5. Place the Lamb: Position the marinated boneless leg of lamb on top of the arranged vegetables in the roasting pan.
  6. Roast the Lamb and Vegetables: Roast in the preheated oven for about 90 minutes, or until the lamb reaches your preferred level of doneness (internal temperature should be about 135°F for medium-rare). Occasionally baste the lamb with pan juices for best results.
  7. Rest the Meat: Remove the lamb from the oven and cover loosely with foil. Let it rest for 15 minutes to allow the juices to redistribute before carving.
  8. Serve: Slice the lamb and serve hot alongside the roasted vegetables for a complete, delicious meal.

Notes

  • For medium doneness, roast until the internal temperature reaches 140°F; for well done, aim for 150°F.
  • Use a meat thermometer to check lamb doneness accurately.
  • Feel free to substitute fresh thyme and rosemary with dried herbs if fresh are unavailable—reduce quantities to 1 tablespoon each.
  • Roasting time may vary depending on your oven and the size of the lamb; adjust accordingly.
  • Letting the meat rest is crucial for juicy, tender slices.
  • Leftover lamb makes excellent sandwiches or salads.

Nutrition

  • Serving Size: 1 serving (approx. 6 oz lamb with vegetables)
  • Calories: 450 kcal
  • Sugar: 6 g
  • Sodium: 320 mg
  • Fat: 25 g
  • Saturated Fat: 9 g
  • Unsaturated Fat: 14 g
  • Trans Fat: 0 g
  • Carbohydrates: 25 g
  • Fiber: 4 g
  • Protein: 35 g
  • Cholesterol: 100 mg