Try this homemade Tuna Spaghetti Casserole recipe the whole family will love. Made with whole wheat spaghetti, water, cream of mushroom soup and milk. E…
This Tuna Spaghetti Casserole relies on simple, everyday ingredients such as whole wheat spaghetti, tuna in water and skim milk. It comes together quickly and makes 4 servings, at about 117 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