You might not know that a janitor came up with the idea for Flamin' Hot Cheetos, or that there's a specific name for the cheese dust on your fingers.

Frito-Lay began as two separate companies in the early 1930s that merged in 1961 to form Frito-Lay. It became a subsidiary of PepsiCo in 1965. There are 1,100 snack foods produced under the Frito-Lay ...