Question: how long does it take to cook beef jerky in a dehydrator?
Answer: If you're making the jerky in a dehydrator, lay the strips out in a single layer on the trays of your dehydrator. Then follow the dehydrator's instructions to cook the beef jerky until it is dry and firm, yet still a little bit pliable. (With my dehydrator, that meant cooking the jerky on medium heat for about 8 hours.