Try this homemade Caramelized Onion Potato Gratin recipe the whole family will love. Made with Potatoes, Extra virgin olive oil, Onion and Heavy cream. …
This Caramelized Onion Potato Gratin relies on simple, everyday ingredients such as med potatoes, peeled, extra virgin olive oil, lrg onion, diced and heavy cream, (double). It comes together quickly and makes 4 servings, at about 562 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