michele kaczynski is in paris, good morning to you. >> reporter: here, they call them fried potatoes.hem french. the bell gins decided to investigate. the french don't really care. for the centuries of peeling, chopping, luxurious hot oil treatments, whether in the suddenly gone translate bag or work of culinary art. >> bon appetite. >> reporter: could it really be the crispy salty, restoratively groce french fries is actually not french? we took to the streets of paris and found surrender. >> are they really french? >> yeah. >> no, they're belgian. >> you think they're belgian? >> yeah, i think so. >> reporter: we asked foodies. would you be terribly upset if french fries were not actually french? >> no. >> reporter: consulted authors, experts. >> even though they're belgian, i still think of them as french. >> reporter: you know they're belgian? >> everybody says they're belgian. >> reporter: belgians, who serve thousands with mayonnaise decided to find out which tale from the deep fryer of history might be true. could those from the revolution not eat cake but potatoes to survive o