4 slices topside of beef, 100 g (4 oz) each
salt and freshly ground pepper
2 slices cooked ham, finely chopped
75 g (3 oz) potato, peeled, finely chopped
25 g (1 oz) butter
100 g (4 oz) onions, peeled and chopped
2 small carrots, peeled and thinly sliced
1/2 turnip, peeled and thinly sliced
1 stick celery, trimmed and thinly sliced
1 small leek, trimmed and sliced
5 whole black peppercorns
1/2 bay leaf
5 whole allspice
30 ml (2 tbsp) soured cream