Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary

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Introduction

There’s something truly special about a slow-roasted lamb shoulder. The way the meat practically falls apart after hours of low-and-slow cooking, leaving you with tender, juicy bites infused with rosemary and garlic—it’s pure magic. This Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary recipe is the kind of dish that turns any dinner into an event, making it perfect for family gatherings, holiday feasts, or when you just want to treat yourself to something extra special.

The secret to this lamb’s melt-in-your-mouth texture is the slow roasting. We’re talking about hours in the oven, but trust me, it’s worth every minute. As it roasts, the lamb shoulder becomes incredibly tender, while the rosemary glaze forms a beautifully aromatic crust that adds layers of flavor. The rosemary, garlic, and olive oil come together to create a savory, slightly herby glaze that caramelizes perfectly in the oven. It’s the kind of dish that fills the house with delicious smells, making everyone eagerly anticipate the moment they get to dig in.

I first discovered this recipe while trying to find something that would wow my family at a special holiday dinner. I was a little intimidated at first, but the simplicity of the recipe and the magical results gave me the confidence to try it again and again. Now, it’s a go-to for big celebrations and cozy Sunday dinners. If you’ve never cooked lamb before, don’t worry—it’s easier than you think. With a few simple ingredients and a bit of patience, you’ll have a dish that looks as impressive as it tastes.

Why You’ll Love This Recipe

Let’s talk about why you absolutely need to make this Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary. First of all, it’s incredibly easy to make, despite its impressive appearance. The slow roasting does all the hard work, and all you need to do is prep the lamb and let the oven work its magic. It’s perfect for a special occasion when you want to impress your guests without stressing out in the kitchen.

This dish is also a great family-friendly option. The lamb becomes so tender that even the pickiest eaters can enjoy it. Plus, the rosemary glaze gives it a fresh, herby flavor that’s savory but not overwhelming. The rich, meaty lamb combined with the crispy, flavorful glaze is nothing short of a treat. And the leftovers? They’re even better the next day, making for fantastic sandwiches or salads.

Another reason this recipe is a winner is that it’s packed with flavor, yet the ingredients are all simple and easy to find. No need for fancy or hard-to-find items. You’ll get maximum flavor with just a few pantry staples—rosemary, garlic, olive oil, and a little salt and pepper. There’s no need to overcomplicate things to make something delicious, and this lamb proves that.

Preparation Time and Servings

  • Total Time: 4 hours (including marinating time)
  • Preparation Time: 20 minutes
  • Cooking Time: 3 hours and 40 minutes
  • Servings: Serves 6-8 people
  • Nutrition Facts:
    • Calories per serving: 350
    • Protein: 30g
    • Carbs: 5g
    • Fat: 25g

Ingredients

Here’s what you’ll need to make this Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary:

  • 1 (4-5 lbs) bone-in lamb shoulder, trimmed of excess fat
  • 4 cloves garlic, minced
  • 2 tablespoons fresh rosemary, finely chopped
  • 3 tablespoons olive oil
  • 1 tablespoon honey
  • 1 tablespoon Dijon mustard
  • 1 teaspoon salt
  • 1 teaspoon black pepper
  • 1 teaspoon dried oregano (optional)
  • 1 cup chicken broth (for roasting)
  • 1 tablespoon lemon zest (optional, for a citrusy finish)

Why these ingredients work:

  • Lamb shoulder: The star of the show. Slow-roasting brings out its rich, meaty flavor while keeping it incredibly tender.
  • Garlic: Adds depth and a touch of sweetness to the lamb.
  • Rosemary: This classic herb infuses the lamb with a fresh, fragrant note that perfectly complements the rich meat.
  • Honey and Dijon mustard: The honey adds a little sweetness, while the mustard provides a bit of tang, making the glaze perfect for caramelizing.
  • Chicken broth: Helps keep the lamb moist while roasting, and can be used to create a simple gravy later if you like.
  • Lemon zest: This is optional, but a little citrusy kick can cut through the richness of the lamb, balancing the flavors beautifully.

Step-by-Step Instructions

  1. Preheat the Oven
    Start by preheating your oven to 300°F (150°C). A slow roast needs low heat to do its magic, so don’t skip this step!
  2. Prepare the Lamb
    Place the lamb shoulder on a large cutting board. If your butcher hasn’t already trimmed the excess fat, go ahead and remove any thick layers of fat—just leave a little to help with flavor while it cooks. Using a sharp knife, make a few small slits in the lamb. These will allow the garlic and rosemary to infuse into the meat as it roasts.
  3. Make the Rosemary Glaze
    In a small bowl, combine the minced garlic, chopped rosemary, olive oil, honey, Dijon mustard, salt, pepper, and oregano (if using). Stir until everything is well mixed. The glaze should be a nice, smooth consistency, with a balance of sweetness and tang.
  4. Coat the Lamb
    Using your hands or a pastry brush, rub the rosemary glaze all over the lamb shoulder, making sure it’s generously coated on all sides. Don’t forget to rub some into the slits you made earlier—it’ll help infuse those flavors directly into the meat.
  5. Roast the Lamb
    Place the lamb on a roasting pan or baking dish, fat side up. Pour the chicken broth into the bottom of the pan to keep the lamb moist during the cooking process. Cover the lamb loosely with aluminum foil, and place it in the preheated oven.
  6. Slow-Roast
    Roast the lamb for about 3 hours, basting it occasionally with the pan juices. After 3 hours, remove the foil, and let the lamb roast for an additional 40 minutes to an hour to crisp up the exterior. The internal temperature should reach around 190°F (88°C) when done for the ultimate tenderness.
  7. Rest the Lamb
    Once the lamb is done, remove it from the oven and let it rest, covered with foil, for 10-15 minutes. This helps the juices redistribute, making the meat even juicier and more tender.
  8. Serve
    After resting, carve the lamb into slices or shred it with a fork. It should come apart effortlessly. Serve with your favorite sides, and drizzle with the pan juices for extra flavor.

How to Serve

This Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary is perfect for special occasions or Sunday dinners. Here are a few serving ideas:

  • Serve with roasted vegetables—carrots, potatoes, and parsnips make a fantastic accompaniment.
  • Garlic mashed potatoes or creamy polenta pair wonderfully with the tender lamb and rosemary glaze.
  • For a lighter side, serve with a fresh salad—perhaps arugula, spinach, and a citrus vinaigrette.
  • Crispy flatbreads or warm dinner rolls are perfect for sopping up the pan juices.

Additional Tips

  1. Let it rest: Don’t skip the resting step after roasting. This allows the meat to reabsorb the juices, making it more flavorful and tender.
  2. Use a meat thermometer: While cooking times can vary, using a meat thermometer ensures your lamb is perfectly done. Aim for 190°F (88°C) for melt-in-your-mouth tenderness.
  3. Make extra glaze: If you love extra flavor, double the glaze recipe and drizzle it over the lamb when serving. It’s also great as a dipping sauce.
  4. Baste occasionally: Basting the lamb with the pan juices while it roasts helps keep it moist and flavorful.
  5. Carve with care: When carving the lamb, use a sharp knife to ensure clean cuts. You can also shred the lamb with forks for a more rustic presentation.

Recipe Variations

  1. Herb Variations: If rosemary isn’t your thing, try thyme or oregano for a different flavor profile.
  2. Spicy Kick: Add a pinch of red pepper flakes to the glaze for a touch of heat.
  3. Citrus Twist: Add more lemon zest or orange zest to the glaze for a refreshing citrus kick.
  4. Gluten-Free: This recipe is naturally gluten-free, making it perfect for anyone following a gluten-free diet.

Serving Suggestions

Pair your Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary with these sides and beverages:

  • Side Dishes: Try roasted garlic potatoes, steamed green beans, or sautéed spinach for a well-rounded meal.
  • Wine Pairing: A rich red wine, like a Cabernet Sauvignon or a bold Syrah, pairs beautifully with the savory flavors of lamb.
  • For Kids: Serve with mashed potatoes or buttered noodles for a kid-friendly spin.

Freezing and Storage

  • Storage: Store leftover lamb in an airtight container in the fridge for up to 3 days.
  • Freezing: Freeze leftover lamb by placing it in a freezer-safe container for up to 3 months. When ready to reheat, defrost in the fridge overnight, then warm it in the oven at 350°F (175°C) until heated through.
  • Reheating: To keep the lamb tender when reheating, cover it with foil and heat slowly in the oven to avoid drying it out.

Special Equipment

To make this recipe a success, consider having the following:

  • Roasting Pan: A sturdy roasting pan helps the lamb cook evenly.
  • Meat Thermometer: This is key to checking the lamb’s doneness, ensuring it’s perfectly cooked.
  • Aluminum Foil: Essential for covering the lamb during the initial roast to keep it moist.

FAQ Section

Can I use boneless lamb?
Yes! Boneless lamb works just as well. You might need to adjust the cooking time slightly since it may cook a little faster.

Can I cook this in a slow cooker?
Yes! For an easy alternative, cook the lamb in a slow cooker on low for 6-8 hours. The meat will be just as tender!

Can I make this ahead of time?
Yes! You can prepare the lamb a day in advance and refrigerate it. Simply reheat it in the oven covered with foil.

Print
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Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary


  • Author: Dianna
  • Total Time: 4 hours

Ingredients

Scale
  • 1 (4-5 lbs) bone-in lamb shoulder, trimmed of excess fat
  • 4 cloves garlic, minced
  • 2 tablespoons fresh rosemary, finely chopped
  • 3 tablespoons olive oil
  • 1 tablespoon honey
  • 1 tablespoon Dijon mustard
  • 1 teaspoon salt
  • 1 teaspoon black pepper
  • 1 teaspoon dried oregano (optional)
  • 1 cup chicken broth (for roasting)
  • 1 tablespoon lemon zest (optional, for a citrusy finish)

Instructions

  • Preheat the Oven
    Start by preheating your oven to 300°F (150°C). A slow roast needs low heat to do its magic, so don’t skip this step!
  • Prepare the Lamb
    Place the lamb shoulder on a large cutting board. If your butcher hasn’t already trimmed the excess fat, go ahead and remove any thick layers of fat—just leave a little to help with flavor while it cooks. Using a sharp knife, make a few small slits in the lamb. These will allow the garlic and rosemary to infuse into the meat as it roasts.
  • Make the Rosemary Glaze
    In a small bowl, combine the minced garlic, chopped rosemary, olive oil, honey, Dijon mustard, salt, pepper, and oregano (if using). Stir until everything is well mixed. The glaze should be a nice, smooth consistency, with a balance of sweetness and tang.
  • Coat the Lamb
    Using your hands or a pastry brush, rub the rosemary glaze all over the lamb shoulder, making sure it’s generously coated on all sides. Don’t forget to rub some into the slits you made earlier—it’ll help infuse those flavors directly into the meat.
  • Roast the Lamb
    Place the lamb on a roasting pan or baking dish, fat side up. Pour the chicken broth into the bottom of the pan to keep the lamb moist during the cooking process. Cover the lamb loosely with aluminum foil, and place it in the preheated oven.
  • Slow-Roast
    Roast the lamb for about 3 hours, basting it occasionally with the pan juices. After 3 hours, remove the foil, and let the lamb roast for an additional 40 minutes to an hour to crisp up the exterior. The internal temperature should reach around 190°F (88°C) when done for the ultimate tenderness.
  • Rest the Lamb
    Once the lamb is done, remove it from the oven and let it rest, covered with foil, for 10-15 minutes. This helps the juices redistribute, making the meat even juicier and more tender.
  • Serve
    After resting, carve the lamb into slices or shred it with a fork. It should come apart effortlessly. Serve with your favorite sides, and drizzle with the pan juices for extra flavor.
  • Prep Time: 20 minutes
  • Cook Time: 3 hours

Nutrition

  • Serving Size: 8
  • Calories: 350
  • Fat: 25g
  • Carbohydrates: 5g
  • Protein: 30g

Conclusion

I hope you give this Tender Slow-Roasted Lamb Shoulder Glazed with Rosemary a try—it’s one of those dishes that makes any meal feel extra special. Trust me, once you experience the melt-in-your-mouth tenderness and fragrant rosemary glaze, you’ll be hooked. Whether it’s for a holiday feast or a cozy family dinner, this lamb will definitely be the star of your table.

If you try this recipe, I’d love to hear how it turns out! Snap a picture and tag me on Instagram or leave a comment below. Happy cooking!

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