Think about using an ice cream maker. If you do not need to view the Italian ice and scrape it periodically, you could also freeze it in an ice cream or gelato maker. Rainbow icecream is also his favorite so I Get the struggle. We plan to make this recipe https://jasperclwgn.mybjjblog.com/not-known-details-about-gelato-47-and-mochi-gelato-47563939