You will need
Adjust the oven rack to the middle position and preheat oven to 190°C. Line a large flat baking tray with a length of baking paper.
Slice the cleaned, unpeeled sweet potatoes into paper thin rounds or long strips using a mandolin, potato peeler or very sharp knife.
Season very lightly with Potato Spice.
Spread chips out on baking paper in a single layer.
Bake for ± 20 – 30 minutes until crisp and dry.