Ratatouille Tian with Eggplant Caponata and Feta. My Ratatouille Tian with Eggplant Caponata and Feta is a versatile dish using all the goodness of the late summer harvest! A tian is simply a baked vegetable casserole using whatever is in season. In late summer organic zucchini, eggplant, tomatoes and peppers […]