Roast Lamb with Rosemary Jus

Highlighted under: Soulful Supper Recipes

Indulge in the rich flavors of Roast Lamb with Rosemary Jus, a dish that elevates any dining experience.

Emma

Created by

Emma

Last updated on 2025-12-12T19:06:16.700Z

This Roast Lamb with Rosemary Jus is not just a meal; it's a celebration of flavor. The tender lamb, infused with aromatic rosemary, creates a dish that’s both comforting and elegant. Perfect for family gatherings or special occasions, this recipe will impress your guests and leave them asking for more.

Why You Will Love This Recipe

  • Rich flavor of rosemary complements the tender lamb beautifully.
  • The jus adds a luscious finish that enhances every bite.
  • Ideal for special occasions or a cozy family dinner.

The Perfect Roast

Roasting lamb to perfection is an art that can impress any guest. The key lies in selecting a high-quality leg of lamb and allowing it to marinate in a blend of garlic, rosemary, and olive oil. This simple yet flavorful rub not only enhances the meat's natural taste but also creates a beautiful crust during roasting. The aroma that fills your kitchen as the lamb cooks is simply irresistible, making it a standout dish for any occasion.

An important aspect to consider when roasting lamb is the cooking method. Using a meat thermometer to check the internal temperature ensures that your lamb is cooked exactly to your liking. For medium-rare, aim for an internal temperature of 130°F (54°C). This will guarantee a juicy and tender outcome, while overcooking can lead to dryness. Trust the process, and you'll be rewarded with a succulent roast that becomes the centerpiece of your meal.

Creating the Rosemary Jus

The rosemary jus is the finishing touch that elevates your roast lamb dish. Combining red wine with lamb or beef stock not only adds depth of flavor but also brings a touch of elegance to your meal. As the mixture simmers, be sure to scrape up the browned bits from the roasting pan; this is where much of the flavor resides. The result is a rich, savory sauce that complements the lamb perfectly, enhancing each bite with its luscious texture.

If you prefer a thicker jus, mixing a tablespoon of cornstarch with water and adding it to the simmering sauce can achieve the desired consistency. This step is optional but can create a luxurious mouthfeel that pairs beautifully with the tender lamb. Whether served as a drizzle over the meat or in a small side dish for dipping, the rosemary jus is sure to impress your guests and become a staple in your culinary repertoire.

Serving Suggestions

To truly make your roast lamb experience memorable, consider pairing it with seasonal sides that complement its rich flavors. Roasted vegetables, such as carrots and potatoes, work wonderfully alongside the lamb, absorbing some of the jus for an added depth of flavor. Alternatively, a fresh green salad can provide a refreshing contrast, balancing the dish's richness while offering a burst of color on the plate.

Don't forget about the wine! A full-bodied red wine, such as a Cabernet Sauvignon or a Syrah, beautifully complements the flavors of roast lamb. The tannins in these wines help cut through the richness of the meat, enhancing the overall dining experience. Whether it's a casual family dinner or a more formal gathering, these thoughtful pairings will elevate your meal and leave a lasting impression.

Ingredients

For the Lamb

  • 1 leg of lamb (about 4 pounds)
  • 4 cloves of garlic, minced
  • 2 tablespoons fresh rosemary, chopped
  • 2 tablespoons olive oil
  • Salt and pepper to taste

For the Rosemary Jus

  • 1 cup red wine
  • 2 cups lamb or beef stock
  • 1 tablespoon cornstarch (optional, for thickening)
  • Salt and pepper to taste

Make sure all ingredients are at room temperature before starting.

Instructions

Prepare the Lamb

Preheat your oven to 375°F (190°C). In a bowl, mix together the minced garlic, chopped rosemary, olive oil, salt, and pepper. Rub this mixture all over the leg of lamb, ensuring it's well coated.

Roast the Lamb

Place the lamb in a roasting pan and roast in the preheated oven for about 1.5 hours, or until the internal temperature reaches 130°F (54°C) for medium rare. Adjust cooking time based on your desired doneness.

Make the Jus

While the lamb is roasting, combine the red wine and stock in a saucepan. Bring to a simmer over medium heat, scraping up any browned bits from the bottom of the roasting pan. Reduce until slightly thickened, about 10-15 minutes.

Serve

Once the lamb is done, let it rest for 15 minutes before slicing. Serve with the rosemary jus drizzled over the top.

Enjoy your delicious roast lamb with a side of roasted vegetables or mashed potatoes!

Tips for Perfect Roast Lamb

Always let your lamb rest after roasting. This allows the juices to redistribute throughout the meat, ensuring a moist and tender slice. A resting time of about 15 minutes is ideal. During this time, you can prepare your rosemary jus, maximizing efficiency and flavor.

Consider marinating your lamb overnight for even more flavor. The longer the meat sits with the marinade, the more it absorbs those aromatic herbs and spices. This extra step is well worth the wait, especially for a special occasion or holiday feast.

Storing Leftovers

If you happen to have any leftovers, storing them correctly is key to enjoying them later. Allow the lamb to cool completely, then wrap it in plastic wrap or aluminum foil and refrigerate. Properly stored, it can last for up to three days in the fridge. Reheat gently in the oven, covered, to maintain moisture.

Leftover roast lamb can also be transformed into delicious sandwiches or salads. Thinly slice the meat and layer it on crusty bread with your favorite toppings, or chop it up for a hearty salad. The versatility of roast lamb means that each meal can feel new and exciting, extending the joy of your cooking.

Frequently Asked Questions

Can I use a different cut of lamb? Absolutely! While a leg of lamb is traditional, you can also use lamb shoulder or rack of lamb. Just adjust the cooking time accordingly, as different cuts may require varying times to reach the desired doneness.

What should I do if I don't have fresh rosemary? While fresh herbs are ideal for this recipe, dried rosemary can be used as a substitute. Use about one teaspoon of dried rosemary for every tablespoon of fresh. However, keep in mind that fresh herbs provide a more vibrant flavor profile.

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Questions About Recipes

→ Can I use a different cut of lamb?

Yes, you can use lamb shoulder or rack of lamb, but adjust cooking times accordingly.

→ How do I know when the lamb is done?

Use a meat thermometer; 130°F (54°C) for medium rare, 145°F (63°C) for medium.

→ Can I make the jus ahead of time?

Yes, the jus can be made in advance and reheated before serving.

→ What should I serve with roast lamb?

It pairs well with roasted vegetables, mashed potatoes, or a fresh salad.

Roast Lamb with Rosemary Jus

Indulge in the rich flavors of Roast Lamb with Rosemary Jus, a dish that elevates any dining experience.

Prep Time20 minutes
Cooking Duration90 minutes
Overall Time110 minutes

Created by: Emma

Recipe Type: Soulful Supper Recipes

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

For the Lamb

  1. 1 leg of lamb (about 4 pounds)
  2. 4 cloves of garlic, minced
  3. 2 tablespoons fresh rosemary, chopped
  4. 2 tablespoons olive oil
  5. Salt and pepper to taste

For the Rosemary Jus

  1. 1 cup red wine
  2. 2 cups lamb or beef stock
  3. 1 tablespoon cornstarch (optional, for thickening)
  4. Salt and pepper to taste

How-To Steps

Step 01

Preheat your oven to 375°F (190°C). In a bowl, mix together the minced garlic, chopped rosemary, olive oil, salt, and pepper. Rub this mixture all over the leg of lamb, ensuring it's well coated.

Step 02

Place the lamb in a roasting pan and roast in the preheated oven for about 1.5 hours, or until the internal temperature reaches 130°F (54°C) for medium rare. Adjust cooking time based on your desired doneness.

Step 03

While the lamb is roasting, combine the red wine and stock in a saucepan. Bring to a simmer over medium heat, scraping up any browned bits from the bottom of the roasting pan. Reduce until slightly thickened, about 10-15 minutes.

Step 04

Once the lamb is done, let it rest for 15 minutes before slicing. Serve with the rosemary jus drizzled over the top.

Nutritional Breakdown (Per Serving)

  • Calories: 450 kcal
  • Total Fat: 27g
  • Saturated Fat: 10g
  • Cholesterol: 120mg
  • Sodium: 80mg
  • Total Carbohydrates: 5g
  • Dietary Fiber: 0g
  • Sugars: 1g
  • Protein: 44g