Try this homemade Janis O'S Onion Casserole recipe the whole family will love. Made with onions, cream of celery soup, margarine and noodles. Easy step-…
This Janis O'S Onion Casserole relies on simple, everyday ingredients such as onions, sliced and layered, cream of celery soup, margarine and chow mein noodles. It comes together quickly and makes 4 servings, at about 381 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