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Herb crusted leg of New Zealand grass fed lamb on a plate with potatoes.
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5 from 9 votes

Herb Crusted Leg of New Zealand Grass-fed Lamb

Herb Crusted Leg of Lamb is the perfect recipe for a dinner party. The presentation is impressive, and it's delicious and easy to make!
Prep Time15 minutes
Cook Time1 hour 30 minutes
Course: dinner
Servings: 8
Calories: 245kcal
Author: Teri & Jenny


  • 5 pounds bone-in leg of New Zealand grass-fed lamb 5-6 pound leg will work
  • ¼ cup Dijon Mustard
  • 3 cloves garlic
  • 1 bunch parsley minced
  • 4 tbsp rosemary minced
  • 4 tbsp thyme minced
  • salt and pepper to taste


  • edible flowers optional


  • Preheat oven to 350˚F.
  • Remove meat from last 6 inches of bone (optional), for a nicer presentation.
  • Score lamb leg with a sharp knife. Generously season lamb leg with salt and pepper.
  • In a small bowl stir together mustard and garlic. Brush mixture over lamb leg.
  • In another mixing bowl toss together parsley, rosemary and thyme. Press mixture over mustard covered lamb leg.
  • Transfer leg of lamb, fat side up, onto a roasting pan and roast in oven for about 1 1/2 hours, for medium doneness (thermometer should read roughly 135˚F).
  • Remove lamb from oven and cover loosely with foil. Allow lamb to rest, 10 to 15 minutes before slicing and serving.


Calories: 245kcal | Carbohydrates: 3g | Protein: 38g | Fat: 9g | Saturated Fat: 3g | Cholesterol: 114mg | Sodium: 204mg | Potassium: 602mg | Fiber: 1g | Sugar: 1g | Vitamin A: 798IU | Vitamin C: 16mg | Calcium: 54mg | Iron: 5mg