Try this homemade Onion Casserole recipe the whole family will love. Made with onions, potato chips, Cheddar cheese and cream of mushroom soup. Easy ste…
This Onion Casserole relies on simple, everyday ingredients such as onions, thinly sliced, sharp cheddar cheese, cream of mushroom soup and milk. It comes together quickly and makes 4 servings, at about 577 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