Try this homemade Baked Spaghetti Casserole recipe the whole family will love. Made with cream of mushroom soup, black olives, cheddar cheese and spaghe…
This Baked Spaghetti Casserole relies on simple, everyday ingredients such as box of spaghetti, of cream of mushroom soup, cheddar cheese, shredded and small can mushrooms. It comes together quickly and makes 4 servings, at about 540 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