Bake this irresistible Onion Cornbread Casserole at home. Made with onions, margarine, Cheddar cheese and cornmeal. Easy step-by-step instructions inclu…
This Onion Cornbread Casserole relies on simple, everyday ingredients such as to 4 c. chopped onions, melted margarine, shredded cheddar cheese and self-rising cornmeal. It comes together quickly and makes 4 servings, at about 1043 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