Try this homemade Baked Onion Casserole recipe the whole family will love. Made with onions, potato chips, cheese and mushroom soup. Easy step-by-step i…
This Baked Onion Casserole relies on simple, everyday ingredients such as medium onions, sliced, bag potato chips, grated sharp cheese and mushroom soup. It comes together quickly and makes 4 servings, at about 373 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