Claire is Lifehacker's Senior Food Editor. She has a B.S. in chemistry, a decade of food journalism experience, and a deep love for mayonnaise and MSG. Marshmallow fluff is a uniquely American topping ...

I was baking recently, and the recipe required about two jars of marshmallow fluff. I added it to my grocery list, but after checking two or three stores near my apartment, I came up empty. How is it ...

LYNN, Mass. — 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 ...

This year marks the 100th anniversary of Marshmallow Fluff — peanut butter's second most famous sandwich co-star. An estimated 20,000 Fluff fans celebrated the centennial in sticky style last Saturday ...