Freeze Drying at Home: Is It Worth It for Australian Gardeners?

How Freeze Drying WorksFreeze drying removes moisture through sublimation — the frozen water in food converts directly from ice to vapour without passing through a liquid phase. The process occurs in a vacuum chamber at very low temperature. The result is a product with 98–99% of its original flavour and nutritional content intact, a shelf life of 25+ years when properly sealed, and a texture that rehydrates almost perfectly. Compared to conventional dehydration (which uses heat and causes s…