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Slices of juicy boneless lamb roast served with golden roasted potatoes and fresh green chimichurri sauce, perfect for holiday dinners or family gatherings

Boneless Leg of Lamb Roast


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  • Author: meat and melt
  • Total Time: 2 hours 40 minutes
  • Yield: 6 servings 1x

Description

This boneless leg of lamb roast is your new dinner-party secret weapon—simple, classic, and loaded with flavor. Whether it’s for a holiday feast or a cozy family meal, you’ll have guests asking for seconds (and the recipe). Give it a try and enjoy the leftovers—if you’re lucky enough to have any!


Ingredients

Scale
  • 1 boneless leg of lamb roast (35 lbs)
  • 5 garlic cloves, divided
  • 1 tsp dried rosemary (or 1 tbsp fresh, chopped)
  • 1 tsp dried thyme (or 1 tbsp fresh)
  • 1 tbsp fine sea salt
  • 1 tsp freshly ground black pepper
  • Juice of 23 lemons
  • 1.52 lbs fingerling or small potatoes, halved/quartered (optional)
  • 1 tbsp olive oil (optional)
  • Big pinch sea salt (optional)


Instructions

  1. Remove netting, tie roast with twine. Trim excess fat.
  2. Cut 3 garlic cloves into thick slices. Make small slits in roast, insert garlic.
  3. Chop remaining garlic, mix with herbs, salt, pepper, lemon juice.
  4. Rub mixture all over lamb. Rest 30 minutes.
  5. Toss potatoes with oil and salt, add to pan if using.
  6. Roast at 325°F for about 20 min per pound, until 5–10°F below desired doneness.
  7. Tent with foil, rest 15–20 min.
  8. Slice and serve with potatoes and mint chimichurri.

Notes

Use a thermometer for best results. Letting lamb rest keeps it juicy. Finish potatoes in oven for extra crispiness while lamb rests.

  • Prep Time: 40 minutes
  • Cook Time: 1 hour 30 minutes
  • Category: Main Course
  • Method: Roasting
  • Cuisine: Mediterranean

Nutrition

  • Serving Size: 1 portion
  • Calories: 460
  • Sugar: 0g
  • Sodium: 480mg
  • Fat: 34g
  • Saturated Fat: 13g
  • Unsaturated Fat: 18g
  • Trans Fat: 0g
  • Carbohydrates: 4g
  • Fiber: 1g
  • Protein: 36g
  • Cholesterol: 125mg