A revolutionized tuna process according to this invention generally comprising the steps of thawing of frozen tuna, de-heading and degutting, fileting, de-skinning, cleaning of the de-skinned tuna filet, pre-cooking, cooling, packing of the cleaned and precooked tuna loin, and sterilizing the packed tuna loin or freezing the tuna loin. Not only does the process according to this invention reduces the energy utilization by half, it also significantly reduces the time required for cooking and cooling. Therefore, the whole processing time is significantly reduced from at least 8.0 hours in the conventional process to less than 30 minutes.
