Preheat air fryer to 380°F (193°C) for 3 minutes
Peel and cut sweet potatoes into even fry shapes
Pat sweet potato fries completely dry with paper towels
Toss with olive oil until evenly coated
Sprinkle cornstarch over fries and toss again
Add all seasonings and toss until evenly coated
Place in single layer in air fryer basket
Cook for 10 minutes then shake basket well
Cook another 10 minutes until golden and crispy
Meanwhile mix all chipotle sauce ingredients together
Season immediately after cooking and serve with chipotle sauce