Step 1

Cook spaghetti in a large saucepan of well-salted boiling water until tender. Reserve ¼ cup cooking water; drain.

Step 2

Heat oil in a medium frying pan over 
low heat; cook chilli, garlic and oregano, stirring, for 2 minutes or until chilli softens.

Step 3

Add spaghetti and enough of the reserved cooking water to coat. 
Season to taste.

Step 4

Serve topped with parmesan.