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It’s called freeze-dried and here’s why it’s so great…
It works by freezing the food and then reducing the surrounding pressure to allow the frozen water to change from a solid to a gas.
The food is sealed to prevent the reabsorption of moisture. It can then be stored at room temperature without refrigeration.
It causes much less damage to the food product than other dehydration methods.
In planning for long-duration Space missions, NASA uses freeze-dried food to nourish the crew.
Flavours, smells and texture remain unchanged and the final product retains 98% of its nutritional values upon rehydration. Pretty cool, huh?