A processor and process method for preparing pre-cooked ground meat. An augered heated tube allows meat to be cooked as it is tumbled and moved through the tube. The cooked ground meat can be mechanically degreased through a mechanical process such as spinning to provide a meat product that has a controlled fat content. Then the meat can be packaged and irradiated to provide a pre-cooked meat product that is easy to use and that has a long shelf life.