Preheat oven to 350°F; place wire rack on rimmed baking sheet.
Place sweet potatoes and oil in a resealable plastic storage bag; seal and toss until chips are evenly coated.
In a small mixing bowl, combine remaining ingredients.
Add mixture to storage bag, seal; toss until chips are coated in spice mixture.
Place sweet potatoes on wire rack in a single layer; work in batches, as needed.
Bake ~30 minutes, until chips look crispy and dry to touch.