These incredible Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) are a delightful treat that combines the rich taste of peanut butter with the sweet, gooey goodness of marshmallow cream. Perfect for any occasion, from family gatherings to cozy nights in, these cookies are sure to impress. Soft, chewy, and utterly delicious, they stand out as a unique dessert that will have everyone coming back for more.
Why You’ll Love This Recipe
- Irresistible Flavor: The combination of creamy peanut butter and fluffy marshmallow makes each bite a flavor explosion.
- Easy to Make: With simple ingredients and straightforward steps, even novice bakers can create these cookies.
- Versatile Treat: Enjoy them as a dessert, snack, or even a special gift for friends and family.
- Perfect Texture: The soft and chewy texture paired with the gooey center gives a delightful contrast in every bite.
- Great for Sharing: With 14 cookies per batch, they’re perfect for sharing at parties or gatherings.
Tools and Preparation
Before diving into making your Fluffernutter Cookies, gather your tools. Having everything on hand will make the process smoother and more enjoyable.
Essential Tools and Equipment
- Mixing bowls
- Whisk
- Electric mixer
- Cookie scoop or measuring spoon
- Baking sheet
- Parchment paper or silicone baking mat
Importance of Each Tool
- Mixing bowls: Essential for combining ingredients properly without spilling.
- Electric mixer: Saves time and effort when beating butter and sugars until creamy.
- Cookie scoop: Ensures uniform cookie sizes for even baking.
Ingredients
For the Cookie Dough
- 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
For the Dry Ingredients
- 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-size mixing bowl, whisk together the following:
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 combined.
Step 2: Cream the Butters and Sugars
In a large mixing bowl, use an electric mixer to beat together:
1/2 cup unsalted butter (softened)
1/2 cup creamy peanut butter
Continue beating until smooth and creamy.
Step 3: Add Sugars and Egg
Add to the peanut butter mixture:
1/2 cup granulated sugar
1/2 cup brown sugar
1 egg
1 tsp. vanilla
Beat until the mixture is smooth and fluffy.
Step 4: Combine with Dry Ingredients
Gradually add in your dry ingredients from Step 1 while mixing on low speed 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
Preheat your oven to 350°F (175°C). Line a baking sheet with parchment paper or a silicone baking mat.
Step 7: Shape Your Cookies
Using a medium-size cookie scoop or measuring spoon:
Scoop out about 2 tablespoons of cookie dough.
Flatten into a disk shape.
Scoop out about 1 tablespoon of marshmallow cream/fluff and place it in the center of the dough disk.
Step 8: Form Balls
Carefully wrap the cookie dough around the marshmallow cream/fluff to form a ball. Place each ball on your prepared baking sheet.
Step 9: Bake
Bake in your preheated oven for about 10 minutes. Remove from oven and allow them to cool slightly before transferring them to a wire rack to cool completely.
Enjoy your delicious Fluffernutter Cookies!
How to Serve Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
Fluffernutter Cookies are a delightful treat that can be enjoyed in various ways. Whether you’re hosting a gathering or just indulging at home, these cookies can be paired with different accompaniments for an enhanced experience.
With a Glass of Milk
- A classic pairing that complements the sweetness of the cookies and balances the richness of peanut butter.
À la Mode
- Top your Fluffernutter Cookies with a scoop of vanilla ice cream for a delicious dessert sundae.
S’mores Style
- Add a layer of chocolate between two cookies for a gooey, s’mores-inspired dessert that everyone will love.
On a Dessert Platter
- Serve them alongside other baked goods like brownies and bars for a variety-filled dessert table at parties.
With Fresh Fruit
- Pairing cookies with fresh strawberries or bananas adds a refreshing contrast to the sweet flavors.
Drizzled with Chocolate
- A simple drizzle of melted chocolate on top elevates these cookies and adds an extra layer of decadence.

How to Perfect Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
To achieve the ideal texture and flavor for your Fluffernutter Cookies, consider these helpful tips:
Chill the dough: Refrigerating the cookie dough helps prevent spreading during baking, resulting in thicker cookies.
Use room temperature ingredients: Ensure your butter and egg are at room temperature for better mixing and smoother dough consistency.
Don’t overmix: Once you add the flour mixture, mix until just combined. Overmixing can lead to tough cookies.
Experiment with add-ins: Try adding chocolate chips or chopped nuts for added flavor and texture variations.
Best Side Dishes for Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
Fluffernutter Cookies pair well with several side dishes that enhance their flavors. Here are some great options to consider:
Chocolate Milkshake
A rich and creamy shake that balances perfectly with the sweetness of the cookies.Fruit Salad
A bright, fresh fruit salad offers a light contrast to the dense cookie texture.Peanut Butter Dip
A smooth peanut butter dip can be served alongside for those who want an extra peanut flavor.Coffee or Espresso
The bitterness of coffee pairs nicely with sweet desserts, making it an excellent drink option.Yogurt Parfait
Layered yogurt with granola creates a balanced dish that complements sweet treats nicely.Cheese Platter
A selection of cheeses can offer savory notes that enhance the overall taste experience when served with sweets.
Common Mistakes to Avoid
It’s easy to make mistakes when baking Fluffernutter Cookies. Here are some common pitfalls and how to avoid them.
- Using cold butter: Cold butter will not cream well with the peanut butter, resulting in a dense cookie. Always use softened butter for a light and fluffy texture.
- Skipping the chilling step: Not refrigerating the dough can cause the cookies to spread too much while baking. Be sure to chill for at least 30 minutes for perfect cookie shape.
- Overmixing the dough: Overmixing after adding flour can lead to tough cookies. Mix until just combined for a soft, chewy texture.
- Not measuring ingredients accurately: Using the wrong amounts can ruin your cookies. Use measuring cups and spoons for precision, especially with flour and sugars.
- Ignoring oven temperature: Baking at an incorrect temperature can affect the bake time and texture. Always preheat your oven and use an oven thermometer if necessary.

Storage & Reheating Instructions
Refrigerator Storage
- Store cookies in an airtight container.
- They will last up to 5 days in the refrigerator.
Freezing Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
- Freeze cookies in a single layer on a baking sheet before transferring them to a freezer-safe bag.
- They can be frozen for up to 3 months.
Reheating Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
- Oven: Preheat to 350F, place cookies on a baking sheet, and heat for about 5 minutes.
- Microwave: Heat one cookie at a time for about 10-15 seconds for a warm treat.
- Stovetop: Place cookies in a skillet over low heat for about 1-2 minutes, covered.
Frequently Asked Questions
Here are some frequently asked questions about Fluffernutter Cookies that might help you get the best results.
What are Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)?
Fluffernutter Cookies are soft peanut butter cookies filled with gooey marshmallow cream. They’re a delicious treat that combines sweet flavors perfectly.
Can I make these cookies gluten-free?
Yes! Substitute all-purpose flour with a gluten-free flour blend. Ensure other ingredients are also gluten-free.
How do I customize Fluffernutter Cookies?
You can add chocolate chips or nuts for extra flavor. Adjust the amount of marshmallow cream based on your preference as well!
What is the best way to store leftover cookies?
Store leftover Fluffernutter Cookies in an airtight container at room temperature or in the refrigerator to maintain their softness.
Can I freeze the dough?
Absolutely! You can freeze the cookie dough before or after baking. Just ensure it’s well wrapped to prevent freezer burn.
Final Thoughts
These Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) offer a delightful combination of flavors that everyone will love. Their soft, chewy texture makes them perfect for any occasion, whether you’re sharing with friends or enjoying them yourself. Feel free to customize them with your favorite mix-ins for an even more delicious experience!
Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
Indulge in the delightful flavors of Fluffernutter Cookies, a perfect treat that marries creamy peanut butter with gooey marshmallow cream. These cookies are soft and chewy, offering a unique twist on traditional desserts that will leave everyone craving more.
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes
- Yield: About 14 cookies
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 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/fluff
Instructions
- Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
- In one bowl, combine flour, baking soda, baking powder, salt, and cornstarch; set aside.
- In another bowl, cream together softened butter and peanut butter until smooth.
- Mix in sugars, egg, and vanilla until fluffy.
- Gradually add the dry ingredients, mixing until just combined.
- Chill the dough for at least 30 minutes.
- Scoop out dough, flatten into disks, place marshmallow fluff in the center, and form balls.
- Bake for about 10 minutes; cool slightly before transferring to a wire rack.
Nutrition
- Serving Size: 1 cookie (24g)
- Calories: 95
- Sugar: 9g
- Sodium: 75mg
- Fat: 4g
- Saturated Fat: 2g
- Unsaturated Fat: 1g
- Trans Fat: 0g
- Carbohydrates: 12g
- Fiber: <1g
- Protein: 2g
- Cholesterol: 10mg








