What is the best way to use a dehydrator with parchment paper for food preservation?

The best way to use a dehydrator with parchment paper for food preservation is to cut the parchment paper to fit the dehydrator trays, place the food on the parchment paper in a single layer, and then dehydrate the food according to the dehydrator's instructions. The parchment paper helps prevent sticking and makes it easier to remove the dried food.