This lets air circulate and dehydrate the food faster. If you have an oven circulation fan, this could be helpful as well but I have not used one before. It will take 2-6 hours to make the jerky depending on slice thickness and oven temperature. My batches are around 4 hours long.
Flint is a hard, sedimentary cryptocrystalline form of the mineral quartz, categorized as a variety of chert.uzzling giant flint formations known as paramoudra and flint circles are found around Europe but especially in Norfolk, England on the beaches at Beeston Bump and West Runton. Flint sometimes occurs in large flint fields in Jurassic or Cretaceous beds, for example in Europe.
Spinach comes from a central and southwestern Asian gene center where it may have originated from Spinacia tetranda, which is still gathered as a wild edible green in Anatolia.