What You Need to Know
The Coolgardie safe is a low-tech food storage unit, using evaporative cooling to prolong the life of whatever edibles are kept in it. It applies the basic principle of heat transfer which occurs during evaporation of water. It was named after the place where it was invented – the small mining town of Coolgardie, Western Australia, near Kalgoorlie-Boulder.
Steps
- 1.
Bush tucker preservation (Australian Aboriginal): Extends viability of native ingredients
- 2.
Outback butter storage (Australian settler): Prevents rancidity
- 3.
Desert cheese aging (Middle Eastern): Controls humidity for curing