Try this homemade Portabella Tomato Zucchini Gratin recipe the whole family will love. Made with mushrooms, roma tomatoes, zucchini and fresh garlic. Ea…
This Portabella Tomato Zucchini Gratin relies on simple, everyday ingredients such as baby portabella mushrooms, roma tomatoes, large zucchini and minced fresh garlic. It comes together quickly and makes 4 servings, at about 444 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026