Wash and peel sweet potatoes
Slice into long strips or thin rounds
Preheat oven to 250°F to 275°F
Line a baking sheet with parchment paper
Arrange sweet potato slices in a single layer
Bake for 2 to 3 hours, flipping halfway through
Remove when dried and chewy, not soft or wet
Let cool completely
Store in an airtight container in the refrigerator
Discard if moldy, sticky, or spoiled
Give only in moderation and supervise your dog