| 
      50 g/2 oz/0.25 cup lard (shortening) or vegetable fat900 g/2 lb potatoes, peeled and thickly sliced
 750 g/1.75 lb middle neck of lamb, cut into pieces
 2 kidneys, skinned, cored and sliced
 
      2 onions, slicedSalt and freshly ground black pepper
 
      300 ml/0.5 pt/1.25 cups hot Chicken Stock |