Fluffernutter Cookies are soft and chewy peanut butter cookies filled with marshmallow fluff for a sweet and ooey gooey treat! Be sure to check out more of my delicious cookie recipes, too! Fluffernutter Cookies Remember the fluffernutter sandwich? It is peanut butter and marshmallow creme between two slices of white bread.Well, these fluffernutter cookies have all the deliciousness of the sandwich, but in a baked cookie! The recipe starts with a super soft peanut butter cookie that is filled with marshmallow fluff.Cookies Ingredients Peanut Butter: I prefer creamy peanut butter, but you could also use crunchy.

Cornstarch: Cornstarch is added to the cookies for a light and tender texture.Marshmallow Fluff: Marshmallow Fluff is actually a specific brand of marshmallow creme, which you can whip up at home.If you want store-bought and can’t find marshmallow fluff where you are, look for marshmallow creme.

It could also be labeled as marshmallow paste or marshmallow spread.What is a Fluffernutter? As I stated above, a fluffernutter is peanut butter and marshmallow sandwich.It was made popular by Emma Curtis during World War I.

She published the peanut butter and marshmallow creme sandwich and called it the ‘Liberty Sandwich.’ A few years later, the Curtis family developed a recipe for marshmallow fluff and included the sandwich recipe on the label.It wasn’t until 1960 that the sandwich was called a fluffernutter, for marketing purposes.

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