Impossible Trivia – It Once Took 27 Hours To Make One, Now It Takes 6 Minutes?

This morning on Lite Rock Impossible Trivia, I gave a pair of tickets to see Trans-Siberian Orchestra live at Caesars Atlantic City to  Randy from Little Egg Harbor for knowing  this answer:

In the 1950's, it took  27 hours to make one of these, now it takes  about six minutes to make one. I gave a hint that they will be a popular item this weekend. What is it?

The answer? Peeps!  Marshmallow peeps Easter candy.