5-Ingredient Zucchini and Tomato Gratin

This 5-Ingredient Zucchini and Tomato Gratin is one of those recipes with zucchini that should be on every table. With zucchini, tomato, onion and several different types of cheese, it is a cheesy vegetable side dish that everyone will love. This vegetable casserole recipe is comprised of five ingredients and is not difficult to make. You could prepare this as a complimentary side to your weeknight dinner or as a potluck dish to share. You can't go wrong with this casserole that is both vegetarian and gluten-free. There isn't a heavy cream base, so it is much healthier than other gratin recipes.

Preparation Time15 min

Cooking Time45 min