A fluffernutter (also called a "peanut butter and marshmallow sandwich", "peanut butter and marshmallow fluff sandwich", or "peanut butter and marshmallow stuff sandwich") is a sandwich made with peanut butter and marshmallow creme usually served on white bread.

Are fluffernutters a Northern thing?

Open any pantry in New England and chances are you'll find at least one jar of Marshmallow Fluff. Not just any old marshmallow crème, but Fluff; the one manufactured by Durkee-Mower of Lynn, Massachusetts since 1920, and the preferred brand of the northeast.

Is Marshmallow Fluff a New England thing?

New England is where Marshmallow Fluff was created more than 100 years ago, and is still made and largely consumed — often by children in a peanut butter and Marshmallow Fluff sandwich. ... New Englanders rejoiced.