Supper: Grilled Chicken and Zucchini-Tomato Gratin Written by Liz Published on October 10, 2010 in cooking Sunday night supper uses the last of the summer produce. Bye summer! Here’s the recipe for Zucchini-Tomato Gratin. Related posts: Recipe: Zucchini-Tomato Gratin Supper: Hickory Smoked Chicken and AB’s Baked Beans Sunday Night Supper: Scallops and Mushrooms Fried Chicken Saturday Night Supper