Ramen Noodles, Official Foodstuff of Yeti everywhere.

The most successful industrial food in the world is instant Ramen 

- 100 billion servings worldwide in 2012.

A Japanese Post-war creation, known to college students, inmates, and the poor worldwide.  Quality varies broadly and not all Ramen is as nutritious as others.  Mostly wheat flour, salt, sugar, msg.

It's about 14 servings for every single person on Earth, at a cost of just a few cents apiece.  China, India, Vietnam, Japan, Brazil, Mexico consume the most.  Each culture "dresses" them up according to their diet preferences, making numerous flavors, adding herbs, spices, MSG.