Fluffernutter Cookies (AKA Peanut Butter Marshmallow Cookies!)

This twist on the classic childhood favorite combines two of our most beloved flavors: peanut butter and marshmallow. The result is a decadent, rich treat that’s perfect for any time of day, whether you’re hungry or just want something to snack on.

Fluffernutter Cookies are a soft and chewy peanut butter cookie with marshmallow creme filling. They’re also called “peanut butter and marshmallow cookies” to distinguish them from the classic chocolate chip and molasses cookies that are often confused for these treats.

The marshmallow fluff and peanut butter fill these Fluffernutter Cookies. They’re among the most delectable cookies we’ve ever cooked!

Fluffernutter Cookies at Their Finest

Prepare yourself, because these marshmallow fluff and peanut butter cookies are one of the most delicious things we’ve baked this summer. These fluffernutter cookies are modeled by my ultimate favorite childhood sandwich, the legendary fluffernutter, and will transport you to all of the finest aspects of elementary school.


My parents used to prepare us sandwiches every day (no crust, of course), and there were just a couple options: turkey with cheddar cheese or, more likely, peanut butter and fluff. Known as the Fluffernutter across the globe. Two pieces of fluffy white bread, slathered with peanut butter and topped with a large helping of marshmallow fluff. Alternatively, if you’re my brother, simply fluff. My parents did, in fact, allow my brother to eat marshmallow spread between two pieces of white bread for lunch every day of his childhood. That’s probably why we all have such a sweet craving.

1636285660_606_Fluffernutter-Cookies-AKA-Peanut-Butter-Marshmallow-CookiesAnd with September fast approaching, first days of school, and all that, I’m craving a delicious fluffernutter. This is just my second September without school, and I must tell, it seems strange. Do you think I’m missing my backpack? I even miss having to do homework. What’s the matter with me? Is it only me who thinks this way?

But I miss my fluffernutters the most.


What Are Fluffernutter Cookies, and How Do You Make Them?

Fluffernutter cookies combine all of the tastes of the iconic peanut butter and marshmallow fluff sandwich to create a wonderfully addictive delicacy. Is it due to a sugar high? Yeah, yeah, yeah, yeah, yeah, yeah, yeah, yeah, yeah, yeah, yeah, yeah Is it, however, completely delicious? Yes, absolutely. We made our favorite chocolate chip cookie dough and added enormous spoonfuls of peanut butter and marshmallow fluff. These peanut butter and fluff biscuits were created as a result.


To avoid overworking your dough and retain the huge swirls, we suggest scooping out each cookie using a cookie scoop. Place each ball on a baking sheet lined with parchment paper and bake for 12 minutes at 350°F. Allow the cookies to cool before serving with a glass of milk, just as in the old days.

If you eat them for lunch, I won’t tell.


These peanut butter and fluff swirled cookies combine all of your favorite ingredients of a fluffernutter sandwich!

  • Sofi is the author of this piece.
  • 15-minute prep time
  • Time to prepare: 12 minutes
  • Duration: 27 minutes
  • 1 batch yields 16 big cookies.
  • Cookies are a kind of cookie.
  • Oven method
  • American cuisine
  • Sofi is the author of this piece.
  • 15-minute prep time
  • Time to prepare: 12 minutes
  • Duration: 27 minutes
  • 1 batch yields 16 big cookies.
  • Cookies are a kind of cookie.
  • Oven method
  • American cuisine



  • Sofi is the author of this piece.
  • 15-minute prep time
  • Time to prepare: 12 minutes
  • Duration: 27 minutes
  • 1 batch yields 16 big cookies.
  • Cookies are a kind of cookie.
  • Oven method
  • American cuisine


  • 3/4 cup melted unsalted butter
  • 3/4 cup packed brown sugar
  • a quarter cup of white sugar
  • 1 egg yolk and 1 egg
  • vanilla extract (two tablespoons)
  • 2 cups flour (all-purpose)
  • 1/2 teaspoon bicarbonate of soda
  • a half teaspoon of salt
  • a third cup of peanut butter
  • a third of a cup of marshmallow fluff


  1. In a stand mixer equipped with the paddle attachment, beat the melted butter and sugars until thoroughly combined, approximately 2 minutes. Mix in the egg, egg yolk, and vanilla extract well.
  2. Combine the flour, baking soda, and salt in a separate basin. Combine the wet and dry ingredients and stir until just combined.
  3. Drop spoonfuls of peanut butter and fluff into the dough, stirring gently once or twice to combine. Within the cookie dough, there should still be pockets of peanut butter and fluff. Don’t overmix the ingredients. Chill the dough for at least 1 hour, but up to 24 hours in the refrigerator.
  4. Preheat the oven to 350°F and line a baking sheet with parchment paper when you’re ready to bake your dough. Drop the dough onto the baking sheet with a cookie scoop, allowing 2 inches between each cookie. Bake for 12 minutes, or until golden brown on the outside but still gooey in the middle. Allow for thorough cooling before eating. Enjoy!

Keywords: fluffernutter, fluffernutter cookies, what is fluffernutter, how to create fluffernutter, what is fluffernutter


If you’re looking for more Peanut Butter recipes, go here. We’ve thought of everything:

Squares of vegan peanut butter chocolate

Peanut Butter Cookies Halfway to Heaven

Peanut Butter Brownies that are insanely fudgy

Fluffernutter cookies are a type of cookie that is made with peanut butter, marshmallow fluff and sugar. Reference: fluffernutter cookies recipe.

Frequently Asked Questions

What is in a Fluffernutter?

A: A Fluffernutter is a sandwich that consists of peanut butter and marshmallow fluff on bread.

Where did Fluffernutter come from?

A: Fluffernutter is a variant of marshmallow and peanut butter cookie that was popular in the United States during the late 1800s. The name comes from fluffy marshmallows, which are soft and puffy like clouds or cottony tufts of feathers, mixed with peanuts underneath to provide texture similar to bread crumbs.

When was the Fluffernutter invented?

A: Fluffer nutters were invented in the year 1953.

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