Is a roast potato the same as a homemade chip done in the oven? I am trying to settle an argument with my Nanna (impossible I know but I refuse to give in). I think I need to be more specific, lol. My Nan was round earlier and I made roasties, now I know she doesn't like fancy food so I made them very simple, par boiled, placed on a baking tray and put in the oven. She said she didn't like them so I made chips how I always make them, cut them chip shape, par boiled them and placed them on a baking tray. To me, this is exactly the same, just different shape but, apparently she liked the chips.