McDonald's sells 13 billion servings of fries every year.
And the fast food giant has the system for the signature item down to a science.
McDonald's Canada has a great video that breaks down the process of making the classic menu item.
From farm to fryer, see how the fries end up in your drive-thru.
The famous fries start as Russet Burbank potatoes on the farm, in this case Leveque Farms in New Brunswick, Canada.
The farmers use this machinery to harvest the potatoes.
The potatoes are then moved to a truck using a giant conveyer belt.
See the rest of the story at Business Insider