However you slice it, this zucchini salad is an easy addition to any summer barbecue or picnic. Long, flat ribbons add a touch of elegance, but this recipe also works with summer squash cut into spirals or thin rounds. While the salad is great right after it's made, sitting in the dressing gives the zucchini time to marinate, getting more and more flavorful. It's also easy to customizeget inspired by the variations below.