Red wine vinegar salad dressing is the best choice for tomato and cucumber salad because it is not too sweet and has a bright tart acidity that goes well with the fresh flavors of the tomatoes and cucumbers. Our blend includes garlic, olive oil and dried oregano. Alternatives to the dressing we've described below are our Lemon Juice Dressing or this Red Wine Vinaigrette. Our Walnut Balsamic dressing is another option for fans of balsamic dressing- and it isn't too sweet.