What Christmas story Who say this fog is as thick as peanut butter?

The line "This fog is as thick as peanut butter" is from the animated Christmas special "Rudolph the Red-Nosed Reindeer." It is said by the character Yukon Cornelius as he navigates through the fog while searching for Rudolph and the other misfit toys. This whimsical comparison adds a touch of humor to the story, highlighting the challenges faced by the characters during their journey.