This zucchini and tomato casserole is a popular summer recipe that is both light and refreshing. It is made with fresh zucchini, tomatoes, onions, garlic, and herbs. The vegetables are sautéed until tender and then combined with the herbs. The casserole is then baked until it is hot and the flavors have melded together. The combination of the tender zucchini, the juicy tomatoes, and the aromatic herbs creates a flavorful and healthy dish that is perfect for a summer barbecue or a picnic. Serve it as a side dish alongside grilled chicken or fish, or enjoy it as a light vegetarian main course.