Roasting a leg of lamb is a timeless way to create a centerpiece for any special occasion. This recipe combines the rich flavors of garlic, rosemary, and thyme to enhance the natural taste of the lamb. With a few simple steps, you can achieve a perfectly cooked, succulent roast that will impress your guests and leave them wanting more.
While most of the ingredients in this recipe are commonly found in your kitchen, fresh rosemary and thyme might not be staples in every household. These herbs are essential for infusing the lamb with aromatic flavors, so be sure to pick them up at the supermarket. Additionally, a good quality olive oil will enhance the overall taste of the dish.

Ingredients For Roast Leg Of Lamb Recipe
Lamb: The star of the dish, a leg of lamb provides a rich, tender meat perfect for roasting.
Garlic: Sliced and inserted into the lamb, garlic adds a deep, savory flavor.
Olive oil: Used to rub the lamb, it helps to keep the meat moist and adds a subtle richness.
Rosemary: A fragrant herb that pairs beautifully with lamb, adding a piney, earthy flavor.
Thyme: Another aromatic herb that complements the lamb, providing a slightly minty and lemony taste.
Salt: Enhances the natural flavors of the lamb and other ingredients.
Black pepper: Adds a touch of heat and complexity to the dish.
Technique Tip for This Recipe
When preparing the garlic for this roast leg of lamb, make sure to slice it thinly and evenly. This ensures that the garlic infuses the meat with a consistent flavor throughout. Additionally, when making the incisions, use a small, sharp knife to create pockets that are just deep enough to hold the garlic slices securely. This prevents the garlic from falling out during the roasting process and ensures that each bite of lamb is perfectly seasoned.
Suggested Side Dishes
Alternative Ingredients
leg of lamb - Substitute with pork shoulder: Pork shoulder has a similar texture and can be roasted in a similar manner, providing a comparable richness and tenderness.
leg of lamb - Substitute with beef roast: Beef roast can offer a similar hearty flavor and can be cooked using the same method, making it a good alternative.
garlic - Substitute with shallots: Shallots provide a milder, slightly sweeter flavor that can complement the dish similarly to garlic.
garlic - Substitute with garlic powder: Garlic powder can be used in place of fresh garlic, though the flavor will be less intense. Use about ¼ teaspoon of garlic powder per clove.
olive oil - Substitute with grapeseed oil: Grapeseed oil has a high smoke point and a neutral flavor, making it a good alternative for roasting.
olive oil - Substitute with avocado oil: Avocado oil also has a high smoke point and a mild flavor, suitable for roasting meats.
rosemary - Substitute with sage: Sage has a robust, earthy flavor that can provide a similar aromatic quality to the dish.
rosemary - Substitute with oregano: Oregano offers a slightly different but still complementary herbal note that can work well in roasted dishes.
thyme - Substitute with marjoram: Marjoram has a flavor profile similar to thyme, though slightly sweeter and more delicate.
thyme - Substitute with basil: Basil can provide a fresh, aromatic flavor that complements roasted meats, though it is slightly different from thyme.
salt - Substitute with soy sauce: Soy sauce can add a salty, umami flavor to the dish, though it will also add moisture.
salt - Substitute with sea salt: Sea salt can be used in place of regular salt, offering a slightly different texture and flavor.
black pepper - Substitute with white pepper: White pepper has a milder flavor and can be used as a direct substitute for black pepper.
black pepper - Substitute with cayenne pepper: Cayenne pepper will add a bit of heat and spice, providing a different but interesting flavor profile. Use sparingly.
Other Alternative Recipes Similar to This Dish
How to Store / Freeze This Dish
- Allow the roast leg of lamb to cool completely at room temperature before storing. This helps prevent condensation, which can make the meat soggy.
- Wrap the cooled lamb tightly in aluminum foil or plastic wrap to maintain its moisture and prevent it from drying out.
- Place the wrapped lamb in an airtight container or a resealable plastic bag to further protect it from air exposure and odors from other foods in the refrigerator.
- Store the lamb in the refrigerator for up to 3-4 days. For longer storage, consider freezing.
- To freeze, wrap the lamb in a layer of plastic wrap followed by a layer of aluminum foil. This double wrapping helps prevent freezer burn.
- Label the package with the date of freezing to keep track of its storage time.
- Place the wrapped lamb in a freezer-safe bag or container and store it in the freezer for up to 2-3 months.
- When ready to use, thaw the lamb in the refrigerator overnight. Avoid thawing at room temperature to prevent bacterial growth.
- Reheat the lamb gently in the oven at a low temperature (around 300°F or 150°C) to preserve its tenderness and moisture. Cover the lamb with foil while reheating to prevent it from drying out.
- For a quicker option, slice the lamb and reheat in a skillet with a bit of olive oil over medium heat, turning occasionally until warmed through.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 325°F (165°C).
- Place the leftover roast leg of lamb in a baking dish.
- Add a splash of broth or water to keep the meat moist.
- Cover the dish with aluminum foil.
- Heat for about 20-25 minutes, or until the lamb is warmed through.
Stovetop Method:
- Slice the leftover lamb into thin pieces.
- Heat a skillet over medium heat and add a bit of olive oil.
- Add the lamb slices and a splash of broth or water.
- Stir occasionally until the lamb is heated through, about 5-7 minutes.
Microwave Method:
- Place the leftover lamb on a microwave-safe plate.
- Add a splash of broth or water to keep it moist.
- Cover with a microwave-safe lid or plastic wrap.
- Heat on medium power for 2-3 minutes, checking and stirring halfway through.
Sous Vide Method:
- Place the leftover lamb in a vacuum-sealed bag.
- Set your sous vide machine to 140°F (60°C).
- Submerge the bag in the water bath and heat for about 45 minutes.
- Remove from the bag and serve immediately.
Grill Method:
- Preheat your grill to medium heat.
- Slice the leftover lamb into thick pieces.
- Brush with a bit of olive oil to prevent sticking.
- Grill for about 2-3 minutes per side, or until heated through.
Best Tools for This Recipe
Oven: Used to preheat and roast the lamb to the desired temperature.
Roasting pan: Holds the lamb while it cooks in the oven, allowing for even heat distribution.
Sharp knife: Essential for making small incisions in the lamb to insert garlic slices.
Cutting board: Provides a stable surface for preparing the lamb and slicing garlic.
Meat thermometer: Measures the internal temperature of the lamb to ensure it reaches 135°F for medium-rare.
Small bowl: Used to mix olive oil, rosemary, thyme, salt, and pepper before rubbing onto the lamb.
Tongs: Helps to handle the lamb without piercing it, preserving the juices.
Aluminum foil: Used to tent the lamb while it rests, keeping it warm and allowing the juices to redistribute.
Carving knife: Specifically designed for carving the rested lamb into slices.
Serving platter: Holds the carved lamb for presentation and serving.
How to Save Time on This Recipe
Prepare ingredients ahead: Chop garlic, rosemary, and thyme the day before to save time on the day of cooking.
Use a meat thermometer: This ensures your lamb reaches the perfect internal temperature without constant checking.
Preheat oven early: Start preheating your oven while you prepare the lamb to save time.
Marinate overnight: Rub the lamb with olive oil and herbs the night before to enhance flavor and save time.

Roast Leg of Lamb Recipe
Ingredients
Main Ingredients
- 1 leg Lamb about 5-6 pounds
- 4 cloves Garlic sliced
- 2 tablespoon Olive Oil
- 1 tablespoon Rosemary chopped
- 1 teaspoon Thyme chopped
- 1 teaspoon Salt
- 0.5 teaspoon Black Pepper freshly ground
Instructions
- Preheat your oven to 375°F (190°C).
- Make small incisions all over the lamb and insert garlic slices into each incision.
- Rub the lamb with olive oil, rosemary, thyme, salt, and pepper.
- Place the lamb in a roasting pan and roast for 1.5 hours, or until the internal temperature reaches 135°F (57°C) for medium-rare.
- Let the lamb rest for 15 minutes before carving.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Recipe
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