Try this homemade Tuna Casserole recipe the whole family will love. Made with onion, Cheddar cheese soup, tuna fish and milk. Easy step-by-step instruct…
This Tuna Casserole relies on simple, everyday ingredients such as medium diced, sauteed onion, cheddar cheese soup, (6 1/2 oz.) tuna fish and milk. It comes together quickly and makes 4 servings, at about 297 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