700 g (1 1/2 lb) bacon slipper joint, rinded and cut into 2.5 cm (1 inch) cubes
25 g (1 oz) lard
225 g (8 oz) turnips, peeled and coarsely diced
225 g (8 oz) parsnips, peeled and coarsely diced
30 ml (2 tbsp) plain flour
7.5 ml (1 1/2 tsp) dry mustard
600 ml (1 pint) unseasoned chicken stock
100 g (4 oz) dried butter beans, soaked overnight
and drained
freshly ground pepper
chopped parsley, to garnish