I chuck mine (whole) in the microwave for a few minutes and then cut into wedges or whatever.
Tried mine with paprika and garlic powder last night and they were fantastic!
Hope this helps.
I make mine this way
Chop potatoes into wedges, par boil for 5 mins, place in a bowl and spray with fry lite then cover in Cajun spice and stir. Place in oven on baking sheet (single layer) until cripsy turning once yumm
I chop my potato into chips, microwave for 4/5 mins, spray with frylight and sprinkle with spice of choice, its cajun at the minute. Cook on high til crispy