Don't worry about burning the platter; it won't be damaged by the low heat of the oven, and the fish will be perfectly cooked." Heat the oven to 200 degrees. Oil the platter you will use for cooking ...
Set aside. Put the frozen fish on a roasting tin and cook in the oven for about 10-15 minutes until opaque and starting to flake. When cool enough to handle, remove the skin and any bones and ...