Simple Italian Cucumber, Onion and Tomato Salad

large cucumbers

large tomatoes

large vidalia or red onion , halved and sliced thick

extra virgin olive oil

vinegar - apple cider, red wine or white are all good choices

granulated sugar , or to taste

mixed fresh, chopped herbs (parsley, basil, oregano, dill) , or to taste

kosher salt , or to taste

freshly cracked black pepper , or to taste