75 g (3 oz) fresh breadcrumbs
125 g (4 oz) ham, very finely chopped
30 ml (2 tbsp) snipped chives
60 ml (4 tbsp) soured cream
15 ml (1 tbsp) whole grain mustard
25 g (1 oz) walnut pieces, chopped
salt and freshly ground pepper
2 kg (4 1/2 lb) breast of veal, weight with bone, boned and trimmed
450 g (1 lb) mushrooms, wiped and sliced
150 ml (1/4 pint) white stock, preferably veal bone
30 ml (2 tbsp) white wine
chopped parsley, to garnish