Potato and egg salad

Wash the potatoes and boil them (unpeeled).

Boil the eggs, peel them when they cool, peel the potatoes and slice them both into a bowl. 

Add the cut tomatoes, the onion, finely chopped, the parsley, the sliced cucumber and the olives. 

Season with salt and pepper, whisk the olive oil and vinegar, add them to the mixture and toss to coat.