The history of frozen food goes back much further than the 20th century, tracing back to Chinese civilizations preserving food in ice cellars as early as 3,000 BC.
Emperor Nero Claudius Caesar was a particular fan, forcing his slaves to bring back snow and ice from the mountains to cool his drinks, marking one of the earliest uses of refrigeration.
The transition from slow freezing, which damaged food due to large ice crystals, to the faster methods was essential for the development of modern frozen foods.
The invention of artificial ice in 1856 by Alexander Twining was a crucial step that set the stage for modern frozen food production.
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