The French Fry Mystique. With diluted debates of origins from France and Belgium, and upon being America's favourite food and now accepted, embraced and enriched all over the world, the humble potato sticks have truly come a long way. Today, as we celebrate National French Fries Day in appreciation of the French fry, a consideration of its virtues and contributions naturally leads us to its undeniable reign as the ultimate crispy, salty, shareable joy. Get ready to indulge!