Ingredient:

• 2 cups basmati rice
• 4 whole heads garlic
• ½ cup vegetable oil
• 2 pounds boneless leg of lamb, cut into 3-inch pieces
• 2 large onions, thinly sliced
• 5 large carrots, coarsely grated
• ½ cup fresh barberries
• 2 tablespoons cumin seeds
• 2 tablespoons coriander seeds
• 1 teaspoon whole black peppercorns
• 2 cups boiling water to cover
• 2 tablespoons salt