Cooking oil/olive oil
Preheat the oven at 250°C/482°F for 6 minutes prior to cooking.
Slice the potatoes into 2-3mm spears (for fries). For chips, slice into 5-10mm.
Spread the potato spears out evenly in a halogen oven frying pan. Halogen Oven Steamer & Frying Pan available here (only with steamer from Amazon).
Brush with a splash of oil for added crispness, reduce the oven heat to 200°C/392°F and place the baking pan onto the high rack in the halogen oven, cook the french fries for 10 minutes.
Reduce temperature to 180°C/356°F and cook 5 minutes more for chips.
You can also use paprika or curry to make the fries. Just sprinkle in the desired powder.