The present invention is generally directed to a method for producing a frozenfishproduct from a whole fish fillet. The frozen fish product has many of thecharacteristics of a loinportion, including enhanced resistivity to partial thawing during theapplication of heat. Theinvention relates to a method for processing a fish and a comestible fishproduct producedthereby, wherein the method includes the steps of folding a whole fish filletapproximately inhalf and freezing the folded fish fillet, prior to subsequent external surfaceprocessing.