I have always cooked trout whole (head not required), either fried up in a skillet, baked in an oven, or wrapped in foil and cooked on campfire coals. Then I fillet OFF each side starting from the tail using a fork to help flake the meat off the backbone. the result is every bone leaves with the backbone and you lose none of the meat...and trout have no scales so eat the skin or not, it is an individual decision...cheers, roger