Glad you asked...
The best way to cook whiting fish is to bake it in the oven. You can place a little oil in the bottom of the pan. When the top begins to flake it is done.
Then again, this answer might help you...
Cooking whiting fish is easiest done by baking. After washing the fish place in a square baking dish. Season the fish with your favorite seasonings on both sides. Bake the for 30 minutes at 350 degrees. For more information look here: cookeatshare.com/popular/cook-whiting-fish;

