3 medium carrots, chopped
2 large red onions, chopped
1 turnip, chopped
1 bay leaf
salt and freshly ground black pepper
55g/2oz butter, melted
8 x 2.5cm/1in thick slices black pudding
900g/2lb best end of neck of lamb chops, or cubed leg of lamb
570ml/1 pint hot lamb stock