1 carrot, peeled and finely chopped
100驳/3陆辞锄 cavolo nero, shredded
4 celery sticks, finely chopped
1 red chilli, finely chopped
2 garlic cloves, minced
1 onion, finely chopped
1 rosemary sprig
3 sage leaves
small handful small wild mushrooms
400g tin borlotti beans, drained and rinsed
1 bay leaf
salt and freshly ground black pepper
200g/7oz cooked chestnuts, roughly chopped
2 tbsp olive oil
1 litre/1戮 pints chicken or vegetable stock
25g/1oz butter
50驳/1戮辞锄 Parmesan rinds
50驳/1戮辞锄 Parmesan, grated, to serve