Try this homemade Tuna Mandarin Casserole recipe the whole family will love. Made with water, tuna, mushroom soup and celery. Easy step-by-step instruct…
This Tuna Mandarin Casserole relies on simple, everyday ingredients such as water, (170 g) can tuna (drained), of diced celery and finely chopped onion. It comes together quickly and makes 4 servings, at about 67 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