Try this homemade Open Line Casserole recipe the whole family will love. Made with broccoli, cauliflower, cream of celery soup and onion. Easy step-by-s…
This Open Line Casserole relies on simple, everyday ingredients such as boxes frozen cauliflower, cream of celery soup, jar cheez whiz and french fried onion rings. It comes together quickly and makes 4 servings, at about 86 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