Step 1

Pour oil into a large, heavy-based frying pan until 1cm deep. Heat over medium-high heat until a small piece of bread dropped in oil sizzles. Cook potato, 5 to 6 slices at a time, for 1 to 2 minutes, or until golden and crisp. Using a slotted spoon, transfer to a wire rack to drain and cool.

Step 2

Combine salt, chilli powder and lime rind in a bowl. Sprinkle crisps with salt mixture just before serving.