Try this homemade Spinach Casserole recipe the whole family will love. Made with frozen spinach, cream of mushroom soup, Cheddar cheese and onion. Easy …
This Spinach Casserole relies on simple, everyday ingredients such as (10 oz.) box frozen spinach, cream of mushroom soup, shredded cheddar cheese and chopped onion. It comes together quickly and makes 4 servings, at about 281 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