Can I Freeze-Dry That? A Practical Guide to Safe and Effective Freeze-Drying

Freeze-drying can preserve most everyday foods, but not all foods work well. Whether you are preparing for a long trip or are interested in long-term storage, it is important to know which food can be freeze-dried safely and which ones should not be attempted. This knowledge helps ensure food safety, quality, and success. This fact sheet provides information on how freeze-drying works, the risks involved, and which foods can be more challenging to freeze-dry.