Grilled Butterflied Leg of Lamb With Rosemary, Garlic, and Mustard Crust Recipe


A mustard, garlic, and rosemary crust adds a complementary bite to flavorful, silky lamb, making it a real holiday treat.

Recipe Details

Grilled Butterflied Leg of Lamb With Rosemary, Garlic, and Mustard Crust Recipe

Active 15 mins
Total 10 hrs
Serves 10 servings


  • 1 boneless leg of lamb, butterflied to even 2-inch thickness and trimmed of excess fat, about 6 pounds total

  • 8 medium garlic cloves, peeled, divided

  • 1/2 cup whole-grain Dijon mustard

  • 1/2 cup extra-virgin olive oil

  • 1/4 cup dry white wine

  • 2 tablespoons finely chopped fresh rosemary

  • 2 tablespoons fresh juice from 1 lemon


  1. Thinly slice 4 cloves of garlic. Spread lamb open on cutting board. Using tip of a paring knife, make 1/2-inch-deep slits all over lamb. Insert garlic slices into slits in lamb.

  2. Combine remaining 4 cloves of garlic, mustard, olive oil, white wine, rosemary, and lemon juice in the workbowl of a food processor. Pulse until coarse puree forms.

  3. Place lamb in a large shallow container and spread half of mustard mixture over top. Flip lamb and spread with remaining mustard mixture. Cover and let sit in refrigerator overnight.

  4. Remove lamb from refrigerator 1 to 2 hours before grilling, allowing to come to room temperature. Light one chimney full of charcoal. When all the charcoal is lit and covered with gray ash, pour out and spread the coals evenly over entire surface of coal grate. Set cooking grate in place, cover grill and allow to preheat for 5 minutes. Clean and oil the grilling grate. Grill lamb over high heat until well seared, 8 to 10 minutes. Flip and continue to cook until second side is seared and meat registers 130°F on an instant read thermometer inserted into thickest part of lamb, 8 to 10 minutes more. Transfer to a cutting board and let rest for 15 minutes. Slice and serve immediately.

Special Equipment

Food processor, grill

This Recipe Appears In

Nutrition Facts (per serving)
637 Calories
45g Fat
2g Carbs
53g Protein
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Nutrition Facts
Servings: 10
Amount per serving
Calories 637
% Daily Value*
Total Fat 45g 58%
Saturated Fat 16g 78%
Cholesterol 190mg 63%
Sodium 460mg 20%
Total Carbohydrate 2g 1%
Dietary Fiber 1g 2%
Total Sugars 0g
Protein 53g
Vitamin C 2mg 11%
Calcium 38mg 3%
Iron 4mg 25%
Potassium 677mg 14%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
(Nutrition information is calculated using an ingredient database and should be considered an estimate.)