Grind the fennel seeds with the chilli in a mortar
Squeeze the sausage meat out of the sausages
Fry in a pan in a little oil, breaking up the sausage meat as you go
When the meat starts to colour, and resembles course mince, add the fennel and chill mix
Cook for 10 minutes
Add the oregano and white wine and reduce by about half
Add the lemon juice and zest
cook for a few minutes on a low heat
Meanwhile..
Cook the fusilli in a large pan of boiling salted water
When it is about 2 minutes off being ready, drain, retaining a cup of the cooking water
Add to the meat pan, and mix in
Cook for a further couple of minutes, loosening with the reserved pasta water if required
Grate and mix in half the parmesan
Season
Serve with the rest of the parmesan for garnish