Icelandic Fish Stew is a traditional dish made by mixing mashed fish, béchamel sauce, and potatoes. Plokkfiskur is a popular dish for cold weather, and is an awesome way to try the flavors of Iceland at home.
You can enjoy this dish as is. For fun, here's some add-ins that would be enjoyable in your fish stew. Bacon, black pepper, tiny shrimp, curry powder or bearnaise sauce.