Disclosed are methods of printing high resolution images on edible substrates with dispersed pigmented inks using a drop-on-demand ink-jet printer. Dispersed pigmented white inks useful with the inventive methods are also disclosed. White images having a resolution greater than 200 dpi can be printed on chocolate using the methods and inks disclosed herein. The inventive methods and inks may alsobe integrated with a consumer-driven site vending or e-commerce application in which the consumer provides the image to be printed and edibles bearing the printed image are prepared for rapid turnaround.