Greek-Style Butterflied Leg of American Lamb with Feta Sauce

Recipe by 

"The Mom 100"

Prep Time

25 min

Cook Time

 1 HR 10 min

Total Time

 1 HR 35 min

Servings

10

Butterflied Leg of Lamb with Cabbage

Ingredients

  • 1 boned and butterflied leg of American lamb fat trimmed (about 6 pounds)
  • 6 cloves garlic (roughly chopped)
  • 1/2 cup fresh oregano leaves
  • 1 tablespoon thyme leaves
  • 2 tablespoons olive oil
  • 2 teaspoons lemon zest
  • 1 tablespoon fresh lemon juice
  • Kosher salt and freshly ground pepper to taste
  • Fresh dill or oregano sprigs to garnish the platter

For the Creamy Feta Sauce:

  • 1 cup plain Greek yogurt preferably whole milk
  • 2 tablespoons olive oil
  • 1 tablespoon fresh lemon juice
  • 1 tablespoon minced fresh dill
  • 2 garlic cloves very finely minced
  • Kosher salt and freshly ground pepper to taste
  • 1/2  cup crumbled feta

Directions

Place the garlic, oregano, thyme, 1 tablespoon olive oil and the lemon zest (reserve the juice for later) in a mini or regular sized food processor, and season with salt and pepper. Process until it becomes a paste (if you are a mortar and pestle type of cook, you can use that instead).

Rub about 2/3 of the herb paste on the top of the lamb, the side that was cut for butterflying. Then roll up the lamb and tie it well with kitchen twine at 1 1/2 inch intervals to keep it tightly rolled. Rub the rest of the paste over the outside of the lamb, place in a pan or container, and refrigerate from 1 hour to 24 hours uncovered

Take the lamb out of the fridge and let it come to room temperature while you preheat the oven to 450 degrees F. Place the lamb in a roasting pan and roast for 20 minutes, then reduce the heat to 375° degrees F and roast for another 50 to 70 minutes. An internal thermometer inserted into the thickest part of the roast should read 125 degrees F for medium rare.

While the lamb is cooking or resting, make the Creamy Feta Sauce. In a small bowl combine the Greek yogurt, 2 tablespoons olive oil, 1 tablespoon fresh lemon juice, dill, and minced garlic. Add the feta and stir and lightly mashing it into the mixture, using a fork. Taste and season as needed with salt and pepper. Spring over some small dill sprigs, if using.

When the lamb is cooked let it rest on a cutting board for 20 minutes. Slice the lamb against the grain, remove the string, and transfer to a serving platter. Sprinkle the reserved 1 tablespoon lemon juice over the sliced lamb and give the slices a light seasoning of salt and pepper. Serve warm with the feta sauce on the side.

USDA recommends the following time and temperature parameters

Ground Lamb

Internal temperature of 160°F

All Other Cuts

Internal temperature of 145°F, with a 3 minute rest

thermometer timer illustration
Visit our Lamb Cooking Time & Temperature page for recipe inspiration and tips on preparing the perfect lamb.
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