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A Fluffernutter is a classic New England sandwich made by spreading creamy peanut butter and marshmallow fluff (a sweet, spreadable marshmallow crème) between two slices of soft white bread. It's a beloved, simple treat often associated with childhood and nostalgic comfort food in the United States, particularly in the Northeast.
This sandwich is very high in carbohydrates and sugar, primarily from the marshmallow fluff and white bread, and contains a moderate amount of fat and protein from the peanut butter. A typical serving provides a quick energy boost but is nutritionally limited, with a rough calorie range of 400-500 calories.
Culturally, the Fluffernutter is a regional icon so ingrained in Massachusetts that there have been legislative efforts to make it the official state sandwich. Nutritionally, it's a unique study in contrasts, pairing a protein-rich food (peanut butter) with a pure sugar confection (marshmallow fluff) to create a texture and flavor profile that is distinctly sweet, salty, and sticky.