Try this homemade Baked Spaghetti Casserole recipe the whole family will love. Made with spaghetti, tomato soup, red onion and green bell pepper. Easy s…
This Baked Spaghetti Casserole relies on simple, everyday ingredients such as spaghetti, (10 3/4 oz.) tomato soup, large red onion and large green bell pepper. It comes together quickly and makes 4 servings, at about 300 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