Lamb Cracker

Paper-thin sheets of fillo pastry, which you buy ready to use, can be transformed miraculously into all sorts of impressive creations. At Christmas time what could be more appropriate than a large cracker tie with a bow? This one is filled with an exciting mixture of spiced lamb with pears and walnuts. The cracker can be made well ahead and is perfect for a Christmas dinner party. I serve it with a mixture of steamed carrots and leeks and if possible the yellow-fleshed, waxy new potatoes wh