Method 1 Oven:

1. Preheat oven to 250˚ F.
2. Slice the sweet potatoes at least ½ cm thick.
3. Place the sweet potatoes rounds on a silicone mat or parchment paper on baking sheets.
4. Cook for 2½-3 hours.
5. Turn the potatoes halfway through.
6. Check at the two-hour mark to see if they’re done, then every 15 minutes until they reach your desired crispness.
7. Let cool completely and store in an airtight container in the refrigerator.

Method 2 Food Dehydrator:

1. Slice the sweet potatoes ½ cm thick.
2. Place the slices on the food dehydrator racks.
3. Set the dehydrator to 135˚ F.
4. Dry for 6-7 hours, depending on how crunchy you prefer the treats to be.
5. Store in an air tight container in the refrigerator.