Every half hour, an in-house lab analyzes the chemical composition of samples pulled from the cooking line to verify that the Cheetos have the right density and nutritional content. Then, every four hours, a four-person panel convenes to inspect and taste the snacks, comparing them to perfect reference Cheetos sent from Frito-Lay headquarters.Wired: Making Cheetos. El hecho de que existen Cheetos de referencia ha cambiado mi perspectiva del mundo.