The sauce vs vinegar debate has drizzled over the Central Belt for decades, though it might surprise you to know that it's a South Lanarkshire factory that's been fuelling these fires for over a century.
Gold Star sauce, the most popular choice for Edinburgh chip shops, has been produced in the outskirts of Glasgow since the company's founder officially launched the creation in 1920.
Today, the operations manager at Gold Star is continuing his great-great-grandfather's legacy - of dividing the people of Scotland on how they dress their chips.