1 - Cook the pasta following pack instructions.

2 - Heat the oil in a non-stick frying pan and cook the onion, garlic and chilli for 3-4 mins to soften.

3 - Stir in the tomato purée and cook for 1 min, then add the pilchards with their sauce.

4 - Cook, breaking up the fish with a wooden spoon, then add the olives and continue to cook for a few more mins.

5 - Drain the pasta and add to the pan with 2-3 tbsp of the cooking water.