You will need :

 250g (½ pkt) spaghetti

425g can tuna in olive oil

1 large brown onion, halved and sliced thinly

2 garlic cloves, crushed

1 teaspoon minced chilli

400g can diced tomatoes

½ cup kalamata olives

Method :

 Cook pasta in a large saucepan of boiling, salted water.  Drain and set aside. 

Drain tuna, reserving 2 tablespoons oil.  Flake tuna into a bowl. Heat reserved oil in a large frying pan on cooking rack over coals.  Add onion and cook, stirring, for 5 minutes or till translucent.  Add garlic and chilli.  Cook, stirring, for 1 minute.  Add tomatoes.  Bring to boil, then move to less heat and simmer for 15 minutes or until sauce has thickened.  Season with pepper.  Stir in tuna and olives.  Add to pasta and toss carefully.  Serve.

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