Ratatouille is a traditional French dish made with a variety of vegetables, including SQUASH, ZUCCHINI, TOMATO, EGGPLANT, and AUBERGINE. These ingredients are all commonly used in the dish, and each has six or eight letters in their name. SQUASH is a vegetable that can be either round or elongated in shape, and is usually yellow, green, or orange in color. ZUCCHINI is a type of summer SQUASH that is cylindrical in shape and dark green in color. TOMATO is a red, juicy fruit that is often used in salads and sauces. EGGPLANT is a purple-skinned vegetable that is often used in Mediterranean dishes. AUBERGINE is another name for EGGPLANT, and is also used in Ratatouille.