Try this homemade Zucchini, Tomato & Black Olive Gratin recipe the whole family will love. Made with onions, extra virgin olive oil, garlic and thyme. E…
This Zucchini, Tomato & Black Olive Gratin relies on simple, everyday ingredients such as extra virgin olive oil, garlic, minced, thyme and salt. It comes together quickly and makes 4 servings, at about 553 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026