01 -
In a pot of salted water, boil the potato cubes until they're soft enough to pierce easily, about 10 to 15 minutes. Drain and let them cool down for a bit.
02 -
Grab a big bowl and whisk olive oil, red wine vinegar, mustard, pepper, and salt together until smooth.
03 -
While the potatoes are still warm, add them to the dressing and gently give everything a toss to coat evenly.
04 -
Mix in the thinly sliced onion, olives, diced cucumber, parsley, dill, and halved tomatoes with the dressed potatoes. Stir everything together until well mixed.
05 -
If you want, toss in the crumbled feta cheese and gently fold it into the salad.
06 -
Cover the bowl and pop it in the fridge for at least an hour to let all the flavors merge together.
07 -
Before eating, check if it needs more seasoning. You can sprinkle extra herbs on top for a fresh finishing touch.