Shell Pasta Salad

• 2 cups (300 g/9½ oz) shell pasta
• 1

Cook the pasta in a large saucepan of boiling salted water (4 cups/1 litre/1¾ imp. pints) until tender (approximately 10 minutes), then drain, rinse under cold running water and drain again. Dry the pasta in a towel, put it in a bowl and toss in a little olive oil to prevent it drying and sticking together.

Mix together the tuna, onion, parsley and olives with a fork, breaking up the tu