Nothing compares to a vine-ripened tomato with the season's sweet onions! Do try to make this very plain salad when tomatoes are at their best! This is a healthy family meal starter, or a side dish with grilled meats -- or an everyday summer delight. If made with inferior tomatoes and sharp onion, the result will not be as enjoyable. Dried basil is used on purpose, as it can be quite good and can be used liberally. Otherwise, finely chop fresh basil.