Bake this irresistible Zucchini Spoon Bread Casserole at home. Made with zucchini, onion, Bisquick and eggs. Easy step-by-step instructions included.
This Zucchini Spoon Bread Casserole relies on simple, everyday ingredients such as medium zucchini, cubed, medium onion, diced, bisquick and eggs. It comes together quickly and makes 4 servings, at about 763 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