Classic "peasant food", stewed vegetables originally from Provence, France
Ratatouille ( rat-ə-too-ee, french: [ʁatatuj] (listen)), occitan: ratatolha [ʀataˈtuʎɔ] (listen), is a french provençal dish of stewed vegetables, originating in nice, and sometimes referred to as ratatouille niçoise (french: [niswaz]). recipes and cooking times differ widely, but common ingredients include tomato, garlic, onion, courgette (zucchini), aubergine (eggplant), capsicum (bell pepper), and some combination of leafy green herbs common to the region.
Source: Wikipedia