U.S. Markets closed
1 / 6

Celebrating Fluff

Containers are filled with Marshmallow Fluff and move along an assembly line during production in Lynn, Mass.

What the Fluff: Celebrating the Sweet and Gooey Treat

Just mention Fluff to people who grew up in New England, and you'll get lots of smiles and enthusiastic nods.

The gooey, sugary marshmallow treat invented almost a century ago is still enormously popular, despite concerns about childhood obesity.

Reporting by Denise Lavoie, the Associated Press.