Biscotti should be stored in an airtight container at room temperature for maximum freshness. If stored properly, they will maintain freshness for up to 3 weeks. If not consumed within 3 weeks of arrival, you can store Biscotti in your freezer for up to 1 month by following these instructions thoroughly:
Place the Biscotti in Ziploc bags and ensure all the air is removed. Then placing them in an airtight container, to avoid freezer burn or having them thaw into a "wet mushy" state. If frozen properly, your Biscotti will last approximately 1 month.