2 sticks celery, finely chopped
1 red onion, finely chopped
1 tsp chopped fresh thyme
陆 tsp fresh thyme
250g/9oz fresh pappardelle
salt and freshly ground black pepper
90g/3录oz cooked chestnuts, finely chopped
1 tbsp olive oil
5 tbsp port
50g/1戮oz unsalted butter
75g/2陆oz grated Parmesan, plus extra to serve
2 duck breasts, trimmed and cut into 1cm cubes (skin reserved)
6 slices thinly cut pancetta, sliced into very fine matchsticks
150ml/5fl oz red wine (ideally Valpolicella )