Ratatouille is a traditional Provençal vegetable dish from France, typically made with ingredients like eggplant, zucchini, bell peppers, tomatoes, onions, and herbs. The vegetables are usually sautéed or stewed together to create a flavorful, rustic mix. It is often served as a side dish or as a main course, and can be enjoyed hot or cold. The dish gained international fame through the animated film "Ratatouille," which showcased its preparation and the artistry involved in cooking.