Try this homemade Overnight Tuna Casserole recipe the whole family will love. Made with cream of celery soup, milk, tuna and macaroni. Easy step-by-step…
This Overnight Tuna Casserole relies on simple, everyday ingredients such as milk, uncooked macaroni, frozen green peas and chopped onion. It comes together quickly and makes 4 servings, at about 371 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