Cheesy Tuna Casserole for One (Easy Single‑Serve Recipe)

If you’re craving cozy comfort without the leftovers, this Cheesy Tuna Casserole for One is the perfect small‑batch meal. Made with tender pasta, a rich homemade sauce, and plenty of melted cheddar and Parmesan, it delivers all the creamy, crunchy goodness of a classic tuna bake — no canned soup required. Baked until bubbly with a crisp, buttery topping, it’s quick to prepare, deeply satisfying, and ideal for anyone cooking for themselves. Whether you’re after an easy weeknight dinner or a nostalgic, feel‑good dish, this single‑serve tuna casserole proves that comfort food can be simple, fresh, and perfectly portioned. Tuna Casserole is something which I made frequently when my children were growing up. Canned tuna was a cheap alternative to more expensive cuts of fish and a great way for me to get them to eat fish. I am afraid that I am a very picky tuna fish person, however. I only ever buy white albacore tuna. I remember many years ago when I was a very young mother, an old Italian…