Try this homemade Three Onion Potato Casserole recipe the whole family will love. Made with brown patties, cream of chicken soup, green onion and onion.…
This Three Onion Potato Casserole relies on simple, everyday ingredients such as bunch green onion, chopped, chopped onion, dijon mustard and sour cream. It comes together quickly and makes 4 servings, at about 428 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