How Long Does Homemade Biscotti Last? Keep Every Crunch Fresh Simple storage rules to protect that crisp snap and flavor. My grandmother knew how to keep things fresh. I do not want to knock my mother, who froze everything, but Nonna knew what belonged in an airtight container and what belonged in the freezer. Biscotti [...] The post How Long Does Homemade Biscotti Last? Tips to Keep Every Crunch Fresh first appeared on The Biscotti Company | Artisan Biscotti For A Taste Of Italy.