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show more I am looking to make beef jerky at home but am a bit confused on how long to keep it in the dehydrator. My dehydrator works at about 140 degrees. I read somewhere to keep it in for 20-24 hours but when i tried that it was way too overdried. How can you tell when it is done? even after that much time it seemed somewhat moist when i removed it. Obviously after it was out for a bit it had become pretty brittle.
Our dehydrator came with four trays, so I made sure to leave lots of space between them for air to flow. Depending on your food dehydrator and the thickness of the meat slices, it can take from 6 to 14 hours to dry a batch. Mine took 12 hours, but read the directions for your own dehydrator because it can vary between different machines.