Try this homemade Tuna Casserole recipe the whole family will love. Made with Rotini, Butter, Flour and Milk. Easy step-by-step instructions included.
This Tuna Casserole relies on simple, everyday ingredients such as butter, flour, milk, slightly warmed and freshly cracked black pepper. It comes together quickly and makes 4 servings, at about 879 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