1 tsp chilli flakes, or to taste
4 large floury potatoes, such as Maris Piper
2 garlic cloves, finely chopped
2 unwaxed lemons, finely grated zest only
2 tbsp roughly chopped fresh flatleaf parsley leaves, plus extra to serve
1 large radicchio, cut into wedges through the root
2 shallots, finely chopped
25g/1oz capers, rinsed, roughly chopped
300ml/10½fl oz chicken stock
sea salt and freshly ground black pepper
50g/2oz fresh white breadcrumbs
75g/3oz type ‘00’ pasta flour, plus extra for dusting
drizzle olive oil
1 tbsp olive oil
4 tbsp rock salt
50g/2oz unsalted butter
100ml/3½fl oz double cream
1 free-range egg yolk
25g/1oz Parmesan, finely grated, to serve
4 good-quality pork sausages, skins removed, roughly chopped