Ingredients

  • 1/2 cup (packed) fresh oregano leaves (about 3 bunches)
  • 8 large garlic cloves
  • 1 tablespoon coarse salt
  • 1 tablespoon ground black pepper
  • 1 4-pound semi-boneless leg of lamb, fat trimmed
  • 4 tablespoons olive oil
  • 5 tablespoons fresh lemon juice
  • 4 medium artichokes, stems and tops trimmed
  • 1 lemon, halved
  • 24 brine-cured black olives (such as Kalamata)
  • 6 8-ounce white potatoes, each cut lengthwise into 6 wedges
  • Fresh oregano sprigs

Method

  • Finely mince 1/2 cup oregano, garlic, salt and pepper in processor.
  • Place lamb in large roasting pan.
  • Rub lamb with 2 tablespoons olive oil.
  • Spread 4 tablespoons oregano mixture over lamb, reserving remainder.
  • Arrange lamb so that fat side is up.
  • Let stand at room temperature 1 hour.
  • Meanwhile, fill large pot with cold water.
  • Add 4 tablespoons lemon juice to water.
  • Cut 1 artichoke lengthwise into 8 wedges.
  • Rub cut surfaces of artichoke with lemon half to prevent discoloring.
  • Cut away choke and discard, leaving artichoke wedges intact.
  • Place artichokes in pot with water .
  • Repeat with remaining artichokes.
  • Boil artichokes until almost tender, about 15 minutes.
  • Drain.
  • Transfer to large bowl.
  • Add olives, 1 tablespoon lemon juice and 1 teaspoon oregano mixture to artichokes; toss to coat.
  • Set aside.
  • Preheat oven to 450F.
  • Roast lamb 10 minutes.
  • Reduce temperature to 350F.
  • Meanwhile, mix potatoes, 2 tablespoons oil and oregano mixture in bowl.
  • Arrange potatoes around lamb in roasting pan.
  • Roast until thermometer inserted into thickest part of lamb registers 140F, about 50 minutes.
  • Transfer lamb to large platter.
  • Add artichoke mixture to roasting pan with potatoes; mix well.
  • Continue roasting vegetables until tender, about 20 minutes.
  • Surround lamb with vegetables.
  • Garnish with oregano sprigs and carve roast at table.