Try this homemade Grandma Lynda'S Zucchini Casserole recipe the whole family will love. Made with zucchini, onion, American cheese and butter. Easy step…
This Grandma Lynda'S Zucchini Casserole relies on simple, everyday ingredients such as large zucchini, medium onion, american cheese and butter. It comes together quickly and makes 4 servings, at about 259 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026