Step 1

Cook the pasta in a saucepan of boiling, salted water as per the packet instructions.

Step 2

Whisk together the lemon zest and juice, red onion, oil and a generous amount of pepper.

Step 3

Drain the pasta in a colander and run it under a cold tap until cooled.

Step 4

Stir the dressing, cucumber, tomatoes, basil, feta and olives, if using, into the pasta and serve.