Leg of Lamb



  • 1 6- to 7-pound bone-in leg of lamb, excess fat trimmed
  • 3 large garlic cloves, thinly sliced
  • 1 tablespoon extra-virgin olive oil
  • 1 tablespoon minced fresh thyme or 1 1/2 teaspoons dried
  • 2 teaspoons minced fresh savory or 1 teaspoon dried
  • 1 teaspoon minced fresh rosemary or 3/4 teaspoon dried
  • 1 teaspoon salt
  • 3/4 teaspoon ground black pepper
  • 3 1/2 pounds russet potatoes, unpeeled, cut into 1/4-inch-thick rounds
  • 2 1/2 pounds onions, thinly sliced (about 8 cups)
  • 1 3/4 cups beef stock or canned beef broth


  1. Preheat the oven to 400°F. 
  2. Using a small sharp knife, cut 1-inch-deep, 1/2-inch-long slits all over lamb. Insert garlic slices into slits. 
  3. Rub oil all over lamb. 
  4. Mix thyme, savory, rosemary, salt and pepper in a small bowl. Rub herb mixture all over lamb. Set aside
  5. Generously butter a large roasting pan. 
  6. Combine potatoes, onions and stock in a large pot (stock will not cover vegetables). 
  7. Bring to boil. Reduce heat, cover and simmer until potatoes are halfway tender, about 10 minutes. 
  8. Transfer potato mixture to the prepared pan; spread evenly in pan. 
  9. Sprinkle it with salt and pepper. Bake for 10 minutes. 
  10. Reduce oven temperature to 375°F.
  11. Place lamb in a roasting pan atop potato mixture. 
  12. Roast until the thermometer inserted into the thickest part of the lamb registers 130°F for medium-rare, about 1 hour 50 minutes.
  13.  Remove from the oven. Tent with foil and let stand for 15 minutes.
  14. Thinly slice lamb. Arrange lamb on a large platter. Surround with potato mixture and any juices from pan and serve