What you can and cannot freeze dry: the complete list
Fruit, vegetables, dairy, raw meat, complete meals, candy and pet treats - plus the short list of things that will never work.
What a freeze dryer really costs to buy and run
Machine prices run $2,699 to $13,495. Electricity is about $6 a cycle and packaging about $0.72 a bag. Here is the whole bill, itemised.
Freeze drying explained: how it works and what it is for
Sublimation in plain language: what freeze drying does to food, what it does not do, and why the result rehydrates in minutes rather than hours.