Try this homemade Baked Fish Casserole recipe the whole family will love. Made with fish fillets, onion, sour cream and cream of mushroom soup. Easy ste…
This Baked Fish Casserole relies on simple, everyday ingredients such as to 1 lb. fish fillets, small chopped onion, sour cream and cream of mushroom soup. It comes together quickly and makes 4 servings, at about 255 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