200g/7oz raw Brussels sprouts, finely shredded
200g/7oz fusilli pasta
salt and freshly ground black pepper
150g/5½ oz chestnuts, cooked, peeled and roughly chopped
½ nutmeg, freshly grated (or ½ tsp ground nutmeg)
2 tbsp olive oil
200ml/7fl oz double cream
50g/1¾oz Parmesan, finely grated (or a similar vegetarian hard cheese)