Vegetable casseroles are healthy, make-ahead meals that are perfect for a weeknight dinner or a holiday side dish. Our vegetable casserole recipes, including recipes for green bean casserole, sweet potato casserole, squash casserole, zucchini casserole and more vegetable casseroles, are loaded with the season’s best vegetables. Try our Polenta & Vegetable Bake for a comforting vegetarian casserole or Green Bean Casserole for a lighter, healthier version of this Thanksgiving classic vegetable casserole.