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Home » Recipe Index » Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

January 25, 2026 by AleenaDessert

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These Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) are the perfect treat for any occasion. Their soft, chewy texture and the delightful combination of peanut butter and marshmallow cream will have everyone coming back for more. Whether you’re hosting a gathering, celebrating a birthday, or just craving something sweet, these cookies are sure to impress with their ooey-gooey filling and rich flavor.

Why You’ll Love This Recipe

  • Irresistible Flavor: The combination of creamy peanut butter and sweet marshmallow cream creates an unforgettable taste experience.
  • Easy to Make: With simple ingredients and straightforward steps, this recipe is perfect for bakers of all levels.
  • Versatile Treat: These cookies are great for parties, lunchboxes, or as a cozy dessert at home.
  • Chewy Texture: The addition of marshmallow cream ensures each bite is soft and gooey—just how cookies should be!
  • Perfect for Sharing: With 14 servings, there’s plenty to go around for friends and family.

Tools and Preparation

Before you start baking Fluffernutter Cookies, gather the necessary tools. Having everything ready will make your baking experience smooth and enjoyable.

Essential Tools and Equipment

  • Mixing bowls
  • Electric mixer
  • Measuring cups
  • Baking sheet
  • Parchment paper or silicone baking mat
  • Cookie scoop or measuring spoon

Importance of Each Tool

  • Electric mixer: Makes it easy to combine ingredients quickly and achieve a creamy texture.
  • Baking sheet: Provides a sturdy surface for baking your cookies evenly.
  • Cookie scoop: Ensures uniform cookie sizes for even baking.

Ingredients

For these delightful Fluffernutter Cookies (Peanut Butter and Marshmallow Cream), you will need:

For the Cookies

  • 1/2 cup unsalted butter, softened
  • 1/2 cup creamy peanut butter
  • 1/2 cup granulated sugar
  • 1/2 cup brown sugar
  • 1 egg
  • 1 tsp. vanilla
  • 1/2 tsp. baking soda
  • 1/2 tsp. baking powder
  • 1/2 tsp. salt
  • 1 tsp. cornstarch
  • 1 cup all-purpose flour

For the Filling

  • 3/4 cup marshmallow cream/fluff

How to Make Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

Step 1: Prepare the Dry Ingredients

In a medium-sized mixing bowl, whisk together:
1 cup all-purpose flour
1/2 tsp. salt
1 tsp. cornstarch
1/2 tsp. baking soda
1/2 tsp. baking powder

Set aside once mixed.

Step 2: Mix the Wet Ingredients

In a large mixing bowl, beat together:
1/2 cup unsalted butter (softened)
1/2 cup creamy peanut butter

Continue mixing until smooth and creamy.

Step 3: Combine Sugar and Egg Mixture

Add to the peanut butter mixture:
1/2 cup granulated sugar
1/2 cup brown sugar
1 egg
1 tsp. vanilla

Beat until smooth and fluffy.

Step 4: Incorporate Dry Ingredients

Slowly add in your dry mixture from Step 1 into the wet ingredients, mixing until just combined.

Step 5: Chill the Dough

Refrigerate the dough for at least 30 minutes to help it firm up before baking.

Step 6: Preheat Oven

Once chilled, preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper or a silicone mat.

Step 7: Scoop Dough

Using a cookie scoop or measuring spoon:
* Scoop out about 2 tablespoons of cookie dough.
* Flatten it into a disk shape.

Now scoop out about 1 tablespoon of marshmallow cream/fluff and place it in the center of each disk.

Step 8: Shape Cookies

Carefully form the dough around the marshmallow cream/fluff into a ball. Place these cookie balls on your prepared baking sheet.

Step 9: Bake

Bake in your preheated oven for about 10 minutes.

Step 10: Cool

Remove from oven and allow cooling slightly on the pan before transferring them to a wire rack to cool completely. Enjoy your sweet creation!

How to Serve Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

Fluffernutter Cookies are a delightful treat that can be served in various ways to enhance your dessert experience. Whether you’re hosting a gathering or enjoying them at home, here are some serving suggestions.

With a Glass of Milk

  • Pair your warm Fluffernutter Cookies with a cold glass of milk for the classic combination that never fails to please.

Ice Cream Sandwiches

  • Create delicious ice cream sandwiches by placing a scoop of your favorite flavor between two cookies. This adds an extra layer of sweetness and creaminess.

S’mores Style

  • Use Fluffernutter Cookies in place of graham crackers for a unique take on traditional s’mores. Add chocolate and toasted marshmallows for an indulgent treat.

Drizzled with Chocolate

  • Melt some chocolate and drizzle it over the cookies for an added touch of elegance and flavor.

As Part of a Dessert Platter

  • Include these cookies on a dessert platter alongside brownies, blondies, or fruit. They add variety and are sure to be a hit.

Warmed in the Microwave

  • For an ooey-gooey experience, warm the cookies in the microwave for a few seconds before serving. This enhances their soft texture.
Fluffernutter this …

How to Perfect Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

Perfecting your Fluffernutter Cookies is all about attention to detail. Here are some tips to ensure they turn out perfectly every time.

  • Chill the Dough: Refrigerating the dough helps prevent spreading during baking, resulting in thicker cookies.
  • Use Fresh Ingredients: Ensure your peanut butter and marshmallow fluff are fresh for the best flavor and texture.
  • Measure Accurately: Use precise measurements for flour and sugar to maintain the right balance in cookie texture.
  • Don’t Overbake: Keep an eye on your cookies while baking; they should look slightly underbaked when you take them out for that soft center.
  • Experiment with Mix-Ins: Consider adding chocolate chips or nuts for additional flavors and textures.
  • Cool Properly: Allow cookies to cool on the baking sheet briefly before transferring to a wire rack. This prevents breaking apart.

Best Side Dishes for Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

Fluffernutter Cookies can be complemented by various side dishes that enhance their flavor profile. Here are some great options:

  1. Fruit Salad
    A refreshing fruit salad provides a light, fruity contrast to the rich flavors of the cookies.
  2. Chocolate Milkshake
    A thick chocolate milkshake pairs perfectly with the sweetness of Fluffernutter Cookies, making it an indulgent treat.
  3. Coffee or Espresso
    A strong cup of coffee or espresso can balance out the sweetness, making it an ideal pairing for adults.
  4. Whipped Cream Topping
    Serve whipped cream on the side for dipping or dolloping on top of each cookie for added creaminess.
  5. Peanut Butter Dip
    A creamy peanut butter dip can be served alongside as an extra treat to enjoy with each bite.
  6. Ice Cream
    Vanilla or chocolate ice cream can complement these cookies beautifully, offering a cool contrast to their warmth.
  7. Yogurt Parfait
    A yogurt parfait layered with granola and fruits can provide a healthy side option that balances out dessert’s richness.

Common Mistakes to Avoid

When making Fluffernutter Cookies, it’s easy to make a few common mistakes that can affect the outcome. Here are some tips to ensure your cookies turn out perfectly every time.

  • Skipping the Chilling Step: Not refrigerating the dough can lead to flat cookies. Always chill the dough for at least 30 minutes to help maintain shape.
  • Overmixing the Dough: Mixing too much after adding flour can result in tough cookies. Mix just until combined for a soft texture.
  • Using Cold Ingredients: Starting with cold butter or eggs could hinder proper mixing. Ensure your butter is softened and eggs are at room temperature.
  • Ignoring Oven Temperature: Baking at an incorrect temperature can cause uneven baking. Always preheat your oven and use an oven thermometer if needed.
  • Not Measuring Ingredients Accurately: Improper measurements can skew the recipe. Use a kitchen scale or measuring cups for precision.

Refrigerator Storage

  • Store Fluffernutter Cookies in an airtight container.
  • They will stay fresh for about 5 days in the fridge.

Freezing Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

  • Allow the cookies to cool completely before freezing.
  • Place them in a freezer-safe container with parchment paper between layers.
  • They can be frozen for up to 3 months.

Reheating Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

  • Oven: Preheat your oven to 350°F, place the cookies on a baking sheet, and heat for about 5 minutes.
  • Microwave: Heat individual cookies on a microwave-safe plate for about 10-15 seconds for gooey goodness.
  • Stovetop: Use a pan over low heat, covered, for about 2-3 minutes to warm them through.

Frequently Asked Questions

What are Fluffernutter Cookies?

Fluffernutter Cookies are soft peanut butter cookies filled with marshmallow cream. They combine flavors of peanut butter and marshmallow fluff for a delicious treat.

How do I make Fluffernutter Cookies gluten-free?

To make these cookies gluten-free, substitute all-purpose flour with a gluten-free flour blend.

Can I use crunchy peanut butter instead of creamy?

Yes! Using crunchy peanut butter will give your Fluffernutter Cookies added texture, making them even more delightful.

How do I store leftover Fluffernutter Cookies?

Store any leftovers in an airtight container in the refrigerator or freeze them for longer freshness.

Can I customize my Fluffernutter Cookies?

Absolutely! You can add chocolate chips, nuts, or even drizzle melted chocolate on top of your cookies for extra flavor.

Final Thoughts

These Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) are not only easy to make but also incredibly delicious. Their soft texture combined with the gooey marshmallow filling makes them irresistible. Feel free to customize this recipe with your favorite additions, like chocolate chips or nuts, to create your perfect cookie treat!

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Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)

Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)


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  • Author: Aleena
  • Total Time: 25 minutes
  • Yield: Approximately 14 cookies 1x
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Description

Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) are a delightful treat that combines the rich flavors of creamy peanut butter with a gooey marshmallow filling. These cookies are soft, chewy, and irresistibly sweet, making them perfect for any occasion—whether it’s a birthday party, casual gathering, or just a cozy night in. Their unique flavor profile and ooey-gooey texture will have everyone reaching for more. With simple ingredients and easy preparation steps, even novice bakers can create these mouthwatering delights at home.


Ingredients

Scale
  • 1/2 cup unsalted butter (softened)
  • 1/2 cup creamy peanut butter
  • 1/2 cup granulated sugar
  • 1/2 cup brown sugar
  • 1 egg
  • 1 tsp vanilla extract
  • 1 cup all-purpose flour
  • 3/4 cup marshmallow cream

Instructions

  1. Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.
  2. In a medium bowl, whisk together flour, salt, cornstarch, baking soda, and baking powder.
  3. In a large bowl, beat together softened butter and peanut butter until creamy. Add sugars, egg, and vanilla; mix until combined.
  4. Gradually incorporate dry ingredients into the wet mixture until just blended.
  5. Chill the dough for at least 30 minutes in the refrigerator.
  6. Scoop about 2 tablespoons of dough, flatten it slightly, place a spoonful of marshmallow cream in the center, then wrap dough around it to form a ball.
  7. Bake for approximately 10 minutes or until edges are lightly golden.
  8. Let cool on the baking sheet briefly before transferring to a wire rack.
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cookie (approximately 40g)
  • Calories: 180
  • Sugar: 12g
  • Sodium: 105mg
  • Fat: 9g
  • Saturated Fat: 3g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 24g
  • Fiber: <1g
  • Protein: 3g
  • Cholesterol: 20mg

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