Try this homemade Potato, Green Pepper, & Tomato Gratin recipe the whole family will love. Made with baking potatoes, green peppers, tomatoes and salt. …
This Potato, Green Pepper, & Tomato Gratin relies on simple, everyday ingredients such as salt, melted butter and olive oil. It comes together quickly and makes 4 servings, at about 521 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