Easy Roast Lamb with Vegetables

This easy roast lamb with vegetables is tender, juicy, and succulent and packed incredible flavours, seasoned with fresh herbs. This fancy dinner is so easy to prep in just 15 minutes, making it the ideal showstopper entree to serve at your holiday dinner or to serve any night of the week because we all deserve a fancy meal. Throw in some potatoes and carrots and you have yourself a complete one pan meal that will impress.

This one pan lamb dinner is a complete dinner packed with vegetables, so you can serve it as it on its own. But when serving this for a crowd, I like to complement it with extra sides. My favourites to serve with this are creamy mashed potatoes or garlic mashed cauliflower, hasselback potatoes, and sautéed garlic mushrooms.

Ingredients

To make this easy roast lamb with vegetables, you will need to gather the following ingredients:

• lamb - 4 to 5 lb. boneless leg of lamb or lamb shoulder
• lamb marinade rub - olive oil, dijon mustard, fresh sage, fresh thyme, Italian seasoning, garlic, soy sauce, balsamic vinegar, coarse salt and black pepper.
• baby potatoes
• carrots
• onion
• olive oil
• Italian seasoning
• salt
• fresh parsley - optional, for garnish on top.

You will also need mixing bowls, 4 qt. Dutch oven (or you can make it in a roasting pan), kitchen string, and a digital meat thermometer.

How to Make the Best Roast Lamb with Vegetables

1. Prepare the vegetables: In a large mixing bowl, add potatoes, carrots and onions. Drizzle with olive oil and season with Italian seasoning and salt. Toss to combine until well coated. Transfer the vegetable mixture into a roasting pan or Dutch oven and spread them evenly on the bottom.
2. Prepare the lamb: Pat dry the whole lamb leg (or shoulder) completely with a paper towel before adding seasoning. Score the leg of lamb with a knife to make shallow cuts, about ¼-inch deep.
3. Make the lamb marinade rub: In a small mixing bowl, mix together olive oil, mustard, sage, thyme, Italian seasoning, garlic, soy sauce, balsamic vinegar, salt and pepper, until it forms a smooth paste. Rub and spread the mixture over the entire leg of lamb including the inside of the leg and the shallow cuts. Wear disposable gloves to make it easy to spread the mixture with your hands.
4. Roast: Tie the leg of lamb together using kitchen string, if needed (to achieve even cooking). Place the leg of lamb on top of the vegetables. Roast uncovered in the oven at 350 F for 1.5 to 2 hours, until the internal temperature reaches 145F. The roasting time depends on the size of the lamb. Check for doneness by inserting a digital meat thermometer into the center of the meat to get a quick measurement. 
5. Rest and serve: Once the meat is done, remove from the oven and let it rest at room temperature for 10 to 15 minutes before slicing. Remove the strings tied around the lamb, garnish with fresh parsley and serve with the baked vegetables on the side. 

More Lamb Recipes

• Air Fryer Lamb Chops with Dijon Garlic Marinade
• Greek Lamb Souvlaki Skewers
• Spicy Cumin Lamb Noodles
• Slow Cooker Moroccan Lamb Stew
• Garlic Rosemary Rack of Lamb

Recipe

Easy Roast Lamb with Vegetables

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5 from 2 reviews

• Author: Sam | Ahead of Thyme
• Total Time: 1 hour 45 minutes
• Yield: 4-6 servings
• Diet: Gluten Free

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Description

Easy roast lamb with vegetables is tender, juicy, and succulent and packed incredible flavour. This fancy holiday dinner is easy to prep in just 15 minutes.

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Ingredients

For the lamb:

• 1 (4-5 lb.) leg of lamb or lamb shoulder, boneless
• ¼ cup olive oil
• 2 tablespoons dijon mustard
• 1 tablespoon fresh sage, finely chopped
• 1 tablespoon fresh thyme, finely chopped
• 1 tablespoon Italian seasoning
• 1 tablespoon garlic, minced
• 2 teaspoons soy sauce
• 1 teaspoon balsamic vinegar
• 1 + ½ tablespoons coarse salt
• 1 teaspoon ground black pepper
• 1 teaspoon fresh parsley, finely chopped (for garnish)

For the vegetables:

• 1 lb. baby potatoes
• 3 medium carrots, chopped into 1-inch pieces
• 1 small onion, coarsely chopped
• ½ tablespoon olive oil
• 1 teaspoon Italian seasoning
• 1 teaspoon salt

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Instructions

1. Preheat the oven to 350F.
2. In a large mixing bowl, add potatoes, carrots and onions. Drizzle with olive oil and season with Italian seasoning and salt. Toss to combine until well coated. Transfer the vegetable mixture into a roasting pan or Dutch oven and spread them evenly on the bottom.
3. Pat dry the whole lamb leg (or shoulder) completely with a paper towel before adding seasoning. Score the leg of lamb with a knife to make shallow cuts, about ¼-inch deep.
4. In a bowl, mix together olive oil, mustard, sage, thyme, Italian seasoning, garlic, soy sauce, balsamic vinegar, salt and pepper, until it forms a smooth paste. Rub and spread the mixture over the entire leg of lamb including the inside of the leg and the shallow cuts. Wear disposable gloves to make it easy to spread the mixture with your hands.
5. Tie the leg of lamb together using kitchen string, if needed (to achieve even cooking). Place the leg of lamb on top of the vegetables.
6. Roast uncovered in the oven at 350 F for 1.5 to 2 hours, until the internal temperature reaches 145F. The roasting time depends on the size of the leg. Check for doneness by inserting a digital meat thermometer into the center of the meat to get a quick measurement.
7. Once the meat is done, remove from the oven and let it rest at room temperature for 10 to 15 minutes before slicing. Remove the strings tied around the lamb, garnish with fresh parsley and serve with the baked vegetables on the side.

Notes

Equipment used: roasting pan or 4 qt. Dutch oven, kitchen string, and meat thermometer. 

How to use a meat thermometer: A meat thermometer is very useful when cooking lamb or any kind of meat. Simply insert the thermometer halfway inside the meat to get a quick measurement. Once it reads 145F, the lamb is done and you can take it out of the oven.

How to store: Store roast lamb in an airtight container for up to 3 days in the refrigerator. To reheat, place in the oven or air fryer at 300F for 10-15 minutes until heated through.

• Prep Time: 15 minutes
• Cook Time: 1 hour 30 minutes
• Category: Lamb
• Method: Roast
• Cuisine: American

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