Greek Salad with Avocado

English cucumbers, peeled in stripes and cut into ½ inch slices

small tomatoes, I use cocktail tomatoes, stemmed and quartered

red onion, thinly sliced

kalamata olives, pitted and halved

Italian flat leaf parsley, chopped

avocados, pitted and cut into chunks

feta cheese, broken into large chunks

extra virgin olive oil

red wine vinegar

garlic, peeled and minced

oregano

sugar

each of kosher salt and freshly ground black pepper