Rigatoni with arrabbiata and chorizo sauce

Name: Rigatoni with arrabbiata and chorizo sauce
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: European, Italian, Mediterranean
Ingredients: 500 gram penne or rigatoni pasta; 3 cured chorizo sausages (300g), sliced thinly; 2 tablespoon extra virgin olive oil; 1 large onion (200g), chopped finely; 1 teaspoon dried chilli flakes; 3 clove garlic, crushed; 700 millilitre bottle passata; 1 cup (250ml) water; 1/2 teaspoon brown sugar; 1/2 cup coarsely chopped fresh flat-leaf parsley; 2/3 cup (50g) finely grated parmesan