Preparation :
Peel, wash and slice the onion. Press the onion slices by hand with some salt so that the onion becomes less bitter. Rinse the onion under cold water and place in a salad bowl. Wash and chop the tomatoes and put them on top of the onion slices. Wash, peel and dice the cucumbers. Slice the green pepperones. Add the cucumbers and green pepperones to the salad. Chop the parsley leaves and put into the salad. Add the salt to salad and mix well. Serve with olive oil and lemon juice dressing.