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Grilled Butterflied Leg of Lamb Marinated in Yogurt

This grilled butterflied leg of lamb marinated in yogurt is a mediterranean specialty that uses yogurt and mint marinade to tenderize and flavor the meat.

A platter of grilled butterflied leg of lamb marinated in yogurt served with yogurt, radishes, herbs, pickles and olive by FamilySpice.com

Lamb is one of those cuts of meats where you either love or hate it. Luckily for my family, we love it! Most people who hate lamb say it’s because of it’s overwhelming aftertaste or smell. The preparation of lamb is pretty important.

One of our favorite ways to serve lamb is grilled, either skewered or straight up, like with this Grilled Yogurt Marinated Leg of Lamb.

Butterflied boneless leg of lamb by FamilySpice.com

Butterflied Boneless Leg of Lamb

I purchased my leg of lamb already deboned. You can, of course, remove the bone from leg of lamb or you try my Grilled Leg of Lamb with Rosemary which has the bone still on.

With the bone removed, your leg of lamb is already butterflied. Unwrap your lamb and spread it out on a work surface. The lamb will not perfectly flat so you will need to make cuts into the lamb to open it up and flatten it even more.

There will also be large chunks of fat. Although much of the fat will render while on the grill, I still like to remove the larger chunks of fat and sinews before I marinate the lamb. I am sharing my video for my stuffed leg of lamb so you can see how I do this.

Butterflied leg of lamb marinating in yogurt by FamilySpice.com

Yogurt Lamb Marinade

If you are surprised by my marinade, don’t be. Yogurt makes a terrific marinade. The active bacteria in yogurt helps break down protein, thus making your lamb super moist and tender. Remember, the reason why we marinate our meats before cooking is not only add flavor, but to also tenderize the meat. 

A yogurt marinade works more slowly than the traditional acid version, so you will need a good 12 hours of marinating time. Here’s a great article for you to learn everything about using yogurt in a marinade.

The marinade I am sharing for my grilled butterflied leg of lamb is made with yogurt and dried basil and mint. You can also use dried oregano. I find that the dry herbs work better with yogurt marinade than fresh.

Butterflied leg of lamb marinated in yogurt on the hot grill by FamilySpice.com

Grilling your butterflied leg of lamb marinated in yogurt

When your leg lamb has marinated in yogurt overnight, you are ready for the grill. Remove most of the yogurt marinade from the lamb and let it sit to room temperature before grilling.

As you can see above, I separated the smaller piece of meat from the larger and grilled them separately. You do not have to do this. In my attempt to further flatten the leg of lamb, I found this end piece was dangling so I separated it.

A butterflied boneless leg of lamb will cook more quickly on the grill than a bone-in leg of lamb. So cook until the center of your lamb is 145ºF for medium-rare, 160ºF for medium and 170ºF for well-done. A meat thermometer is a MUST.

Closeup of platter of grilled butterflied leg of lamb marinated in yogurt served with radishes and herbs by FamilySpice.com

What to serve with your grilled butterflied leg of lamb

Seasoned with mint, basil and even oregano, you can picture yourself on the Mediterranean and feasting on this meal. I like to serve it rustic style, with fresh herbs, flat bread, mast-o khiar (yogurt with cucumbers) and pickles and olives.

We sit together, tearing off pieces of bread, make little sandwiches filled with herbs and dipped in yogurt.

My husband felt like a king, while he savored each bite.

“This is so GOOD!”

So, sit down with the family and be prepared for an amazing meal together!

Yield: serves 10-12

Grilled Butterflied Leg of Lamb Marinated in Yogurt

Grilled Butterflied Leg of Lamb Marinated in Yogurt

This grilled butterflied leg of lamb marinated in yogurt is a mediterranean specialty that uses yogurt and mint marinade to tenderize and flavor the meat.

Prep Time 15 minutes
Cook Time 30 minutes
Additional Time 10 hours
Total Time 10 hours 45 minutes

Ingredients

  • 4 1/2 lb butterflied boneless leg of lamb
  • 1 1/2 cup plain yogurt
  • 1/2 cup lemon juice
  • 1 onion, grated with juice
  • 5 large garlic cloves, crushed
  • 2 tsp dried mint
  • 2 tsp dried basil
  • 1/2 tsp ground black pepper

Instructions

  1. Open lamb up and cut into the larger chunks of meat so that it is of even thickness.
  2. Remove and discard the larger deposits of fat, reserving some fat on the meat which will add flavor during the grilling process.
  3. Place lamb in a large non-reactive pan.
  4. In a small bowl, whisk together remaining ingredients.
  5. Pour marinade over the lamb, covering all parts of the lamb entirely. Massage the marinade into the meat.
  6. Cover and refrigerate for a minimum of 8 hours and up to 24 hours.
  7. About an hour prior to grilling, remove lamb the refrigerator and allow it to come to room temperature.
  8. Preheat grill to medium-high heat.
  9. Sear lamb on one side, about 7 minutes, then flip over to sear the other side.
  10. Reduce heat to medium and continue cooking the lamb until a thermometer inserted to the center of the meat reads 145ºF for medium-rare, 160ºF for medium and 170ºF for well-done.
  11. Allow meat to rest 5-10 mins prior to carving and serve.

Notes

Serving Suggestions: Serve with yogurt, fresh herbs, olives and flat bread. Dried oregano can used instead of or in addition to dried basil.

Cooking Tips: The cooking time will vary depending on how thick your meat is. You can also decrease the cooking time, by cutting the lamb into smaller chunks of equal size.

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Nutrition Information:

Yield:

12

Serving Size:

6 oz

Amount Per Serving:Calories: 475 Total Fat: 29g Saturated Fat: 12g Trans Fat: 0g Unsaturated Fat: 14g Cholesterol: 160mg Sodium: 147mg Carbohydrates: 7g Fiber: 0g Sugar: 5g Protein: 45g