Knowing a bit about trout I'll tell you why the earthy taste, trout or still water trout or even chalk stream trout, stocked that is. The flavor is taken on by the algae in the water that the trout was grown and not by the water that it was caught in, unless it was in there a long time and then the flavor may be lost a bit or increased a bit depending on the water.As I have said before trout pellets are over 90% effective :sick: so maybe the flavor you are tasting is pellet .
I have herd from a couple of sources trout poached in apple juice can eliminate some of the earthy taste, smoking is