Step 1

Preheat oven to 220C or 200C fan-force. Line 2 large baking trays with foil. Lightly spray foil with oil.

Step 2

Place sweet potatoes in a large bowl with oil and chilli. Season with salt and pepper and toss to coat.

Step 3

Arrange sweet potatoes on prepared trays in a single layer leaving a little space between chips. Roast for 25 minutes or until golden and tender.

Step 4

Meanwhile make the dipping sauce combine remaining ingredients in a medium bowl. Chill until ready to serve.

Step 5

Serve chips immediately with dipping sauce.