McDonald’s Fries Secret Ingredient Revealed (It’s Not The Salt)

There is nothing quite extraordinary in the process to make the McDonald’s fries distinct from the fries of other fast-food chains.

The story behind the “addictive flavor” dates back in the 1950s. It was said that the shortening company that provided McDonald’s the vegetable oil couldn’t afford the equipment needed to hydrogenate the oil. This was necessary for extending its shelf life.