Frosted Flakes ( North American countries ) or Frosties ( UK , Commonwealth of Nations and EU countries ) is a cereal like Corn Flakes from Kellogg 's , but coated with frosted sugar . Kellogg 's Sugar Frosted Flakes of Corn , better known simply as Frosted Flakes , is a breakfast cereal first introduced by the Kellogg Company . It consists of corn flakes `` frosted '' or coated with sugar .