Peanut butter and jelly go hand-in-hand, but so do peanut butter and marshmallow fluff! If you grew up with peanut butter and fluff (a.k.a. fluffernutter) sandwiches in your lunch box, then you may want to attend what may very well be the best fall festival in Massachusetts. The What the Fluff? Festival celebrates one of the most extraordinary inventions of all time…Marshmallow Fluff!

Gooey, sweet, and sticky, Marshmallow Fluff may very well be one of the greatest inventions of our time. And it was invented right here in the Bay State!
Jot Powers/Wikimedia Commons
Marshmallow Fluff was invented in Somerville's Union Square in 1917. For a product that's over 100 years old and has brought joy to millions, well, that's something to celebrate!
What the Fluff? A Tribute to Union Square Innovation/Facebook
This year marks the 17th annual What the Fluff? Festival. It will be held just a few days before fall on September 17, 2022 with the theme Fluff at First Sight: Back on Track. What a great way to kick off the fall season!
What the Fluff? A Tribute to Union Square Innovation/Facebook

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Come join fellow Marshmallow Fluff lovers and celebrate all things fluff. There will be music, there will be games, and there will be plenty of fluffy goodies!
What the Fluff? A Tribute to Union Square Innovation/Facebook
For those who grew up eating fluffernutter sandwiches, you'll probably find some around the festival too. And don't forget to pick up some of your very own Marshmallow Fluff merch.
What the Fluff? A Tribute to Union Square Innovation/Facebook
If you wish to attend at least one event this fall, make it the What the Fluff? Festival? Sometimes there's just nothing better than Marshmallow Fluff!
What the Fluff? A Tribute to Union Square Innovation/Facebook

Will you attend the sweetest, fluffiest, and best fall festival in Massachusetts this year? Did you grow up eating peanut butter and fluff sandwiches? Let us know in the comments! To learn more about the What the Fluff? Festival, visit the official website as well as Facebook.

Looking for things to do this fall? Visit one of these beautiful fall destinations in Massachusetts.

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