Try this homemade Spinach Casserole recipe the whole family will love. Made with spinach, cream of mushroom soup, onion and butter. Easy step-by-step in…
This Spinach Casserole relies on simple, everyday ingredients such as box frozen chopped spinach, cream of mushroom soup, grated onion and melted butter. It comes together quickly and makes 4 servings, at about 372 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