Put frozen cherries, banana and cherry juice blend in container of electric blender or food processor. Cover container. Process or blend until smooth. Do not put a spoon or spatula in the blender while it is running and keep your hands clear of the working parts. If necessary, turn blender off; remove cover. Scrape sides of container with a spatula. Cover and puree until smooth.
Pour into individual serving glasses. Garnish with maraschino cherries, if desired. Serve immediately.