Abstract: Disclosed is a method of processing green tea leaves to produce black tea particles which can be brewed in Cold Water. The method also is designed to produce cold water brewing tea of a suitable size and grade for use within a tea bag. The method also is designed to produce high polyphenol cold brew tea or conventional tea of any suitable size and grade. Thus, by way of the method of the present invention, a black tea is produced that can be brewed in cold water and further which can be used in tea bags. This is achieved without sacrificing any color quality or taste.