There are a few theories about how fried potato strips became known as “French fries,” some dating the term back to Thomas Jefferson and others attributing it to a French solider named Parmentier who lived off spuds as a prisoner during the Seven Years’ war.

But don’t bring any of that up on your next trip to Belgium, because as far as the people there are concerned, “French fries” should be called “Flemish fries.” Their side of the story is that fries were introduced to American soldiers during World War I in Belgium, and the name “French fry” came from the fact that the official language at the time was French.

What’s true is up for debate (such is history!), but this was one project where we certainly didn’t mind doing the research. The Flemish put their own spin on the spuds by double frying them, which officially makes them one of the most unhealthy foods you can possibly eat. But hey, when in Rome…

Read the rest of this story on Conde Nast’s Jaunted, of which I am the new Assistant Editor.