Break any large pieces of corn apart into separate kernels for even drying. Step 5. Dehydrate at 125°F or 52°C until corn kernels are hard and dry. Most vegetables like corn should be dried so they are brittle enough that they would shatter if hit with a hammer. Depending on humidity levels this can take 8-12 hours. Antioxidants can help fight cancer and lower the risk of cardiovascular disease. Plus, the freeze-dried version of supersweet corn retains all the nutrients of fresh corn It practically melts in your mouth with a buttery-sweet flavor that isn't too crunchy. It's a sweet treat that almost anybody can get behind. Dried corn is corn that has had the moisture removed under low, slow heating. The results are small, golden yellow, very hard corn kernels. This kind of corn has a shelf life of up to a year, as long as it is stored in a cool, dry place. The dehydrated fresh corn tastes like corn. My kids eat it like a snack. The frozen and canned corn were tasteless. Dry corn kernels are naturally very nutritious as it is high in fiber, low in calories, contains no sodium, and is sugar and fat free. " These low-calories snacks are considered whole grains, which have some valuable antioxidants not found in fruits and vegetables. Known as cancha in Peru and Colombia, corn nuts are simply roasted or deep-fried corn giant white corn kernels. Once you get these kernels, which are available at South American grocery stores, specialty food stores, and the lovely local shop known as Amazon, all you need is oil and salt.