Preheat oven to 180°C (fan forced).
Wash sweet potatoes and scrub well to remove any dirt.
Cut into halves multiple times until you have your desired chip size.
Place in a large mixing bowl, drizzle with oil and season with salt and pepper. Toss to coat.
Place on oven-proof paper on a baking tray. Spread out into a single layer.
Bake for 40 minutes or until golden.
Allow to stand for a few minutes and season with more salt and pepper if required.