Long ago, when it was first appearing in history, they would make this sweet treat in huge cast iron kettles, hence the name, and you can still find those large kettles at the specialty popcorn stores around malls and such.
Long ago, when it was first appearing in history, they would make this sweet treat in huge cast iron kettles, hence the name, and you can still find those large kettles at the specialty popcorn stores around malls and such.