Steamed Zucchini and Roasted Peppers with Tomato-Garlic Dressing

June in Greece means zucchini. Some days we are overwhelmed with zucchini of all sizes. The light-green Middle Eastern zucchini cultivated in our part of the world are incredibly delicious and tender. Choose freshly harvested small zucchini for this salad, and boil them without trimming the ends. This way the zucchini keep their flavor and texture. If fresh zucchini are not available, make the salad with green beans. The tomato-garlic dressing is my f