lamb roast with vegetables and gravy

Lamb Roast

Create a new holiday tradition with this recipe for boneless lamb roast!
Course Dinner, Main Course
Cuisine American, British, Western
Keyword lamb roast, roast lamb
Prep Time 10 minutes
Cook Time 1 hour 8 minutes
Servings 8
Calories 170kcal
Author Bintu Hardy | Recipes From A Pantry


Lamb Roast Ingredients

  • 1.5 kg (3.3 lbs) boneless leg of lamb
  • 1 tbsp olive oil
  • 1 tbsp orange juice
  • 1 tsp minced garlic
  • 1 tbsp thyme freshly chopped
  • 1-2 tsp ground allspice to taste
  • Salt to taste
  • Black pepper to taste


Lamb Roast Instructions

  • Preheat the oven to 220 C / 425 F / gas 7.
  • In a small bowl, combine oil, orange juice, garlic, thyme, all spice, salt and pepper and mix into a paste.
  • Place the lamb on a baking tray and rub with the paste, making sure all sides are thoroughly coated.
  • Roast in preheated oven for 20 mins at 200 C.
  • Turn down the temperature to 160 C / 320 F and bake for an
  • additional 16 mins per 500g (1.1 lbs) for medium or 20 mins per 500g for lamb that is well done.
  • Remove lamb from oven and let it rest for a full 20 mins before slicing.
  • Serve and enjoy!


Leg of Lamb Roast Tips

  • Feel free to customize the seasonings to suit your taste. Rosemary or oregano are great choices.
  • If you prefer, you can swap the orange juice for apple cider or pomegranate juice.
  • Make sure you allow the lamb time to fully rest before carving.

Lamb Roast Serving Suggestions

Boneless Lamb Roast Weight Watchers Points

There are 3 Freestyle SmartPoints in one serving of this roast lamb recipe.


Calories: 170kcal | Carbohydrates: 1g | Protein: 24g | Fat: 7g | Saturated Fat: 2g | Cholesterol: 76mg | Sodium: 74mg | Potassium: 347mg | Fiber: 1g | Sugar: 1g | Vitamin A: 42IU | Vitamin C: 3mg | Calcium: 12mg | Iron: 2mg