These Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) are a delightful treat that brings together the classic flavors of peanut butter and marshmallow fluff in a soft, chewy cookie. Perfect for celebrations, casual gatherings, or just a sweet indulgence at home, these cookies stand out with their ooey-gooey center and rich peanut butter flavor. Everyone will love the warm, comforting taste that reminds us of childhood favorites.
Why You’ll Love This Recipe
- Irresistible Flavor: The combination of creamy peanut butter and sweet marshmallow fluff creates an unforgettable taste.
- Easy to Make: With simple ingredients and straightforward steps, even beginner bakers can whip these up in no time.
- Perfect for Any Occasion: These cookies are great for parties, holidays, or as an everyday snack.
- Customizable: Add chocolate chips or nuts for extra texture and flavor if desired.
- Soft and Chewy Texture: These cookies remain soft and gooey, ensuring every bite is delicious.
Tools and Preparation
Before diving into making your Fluffernutter Cookies, gather your tools to ensure a smooth baking experience. Having the right equipment is key to creating these delightful treats.
Essential Tools and Equipment
- Mixing bowls
- Electric mixer
- Baking sheet
- Parchment paper or silicone baking mat
- Cookie scoop
Importance of Each Tool
- Mixing bowls: Essential for combining ingredients effectively without making a mess.
- Electric mixer: Helps achieve a smooth and fluffy cookie dough quickly.
- Baking sheet: Provides a sturdy surface for baking the cookies evenly.
- Parchment paper or silicone baking mat: Prevents sticking and ensures easy cleanup.
Ingredients
These soft and ooey gooey Fluffernutter Cookies are the ultimate cookie recipe. Large bakery-style peanut butter cookies stuffed with marshmallow cream/fluff and baked to perfection. This peanut butter cookie recipe is over the top delicious.
For the 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
- 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:
1. All-purpose flour
2. Salt
3. Cornstarch
4. Baking soda
5. Baking powder
Set aside once combined.
Step 2: Cream the Butters
In a large mixing bowl:
1. Beat together softened butter and creamy peanut butter until smooth and creamy.
Step 3: Add Sweeteners and Egg
To the creamed mixture:
1. Add granulated sugar, brown sugar, egg, and vanilla extract.
2. Continue beating until everything is smooth and fluffy.
Step 4: Combine Wet and Dry Mixtures
Gradually incorporate the flour mixture:
1. Slowly add it to the wet ingredients.
2. Beat until just combined; do not overmix.
Step 5: Chill the Dough
Refrigerate the dough:
1. Cover it with plastic wrap or place it in an airtight container.
2. Chill for at least 30 minutes to firm up.
Step 6: Preheat Oven & Prepare Baking Sheet
While the dough chills:
1. Preheat your oven to 350°F (175°C).
2. Line a baking sheet with parchment paper or use a silicone baking mat.
Step 7: Shape the Cookies
Using a medium-sized cookie scoop:
1. Scoop out about 2 tablespoons of cookie dough.
2. Flatten it into a disk shape on your palm.
3. Place 1 tablespoon of marshmallow cream/fluff in the center.
4. Fold dough around filling to create a ball.
Step 8: Bake Your Cookies
Arrange cookie balls on prepared baking sheet:
1. Bake in preheated oven for about 10 minutes until lightly golden around edges.
Step 9: Cool & Enjoy!
Remove from oven:
1. Allow cookies to cool slightly on the pan before transferring them to a wire rack.
2. Let them cool completely before enjoying these delicious Fluffernutter Cookies!
With just these simple steps, you can enjoy warm Fluffernutter Cookies that everyone will adore!
How to Serve Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
Fluffernutter Cookies are a delightful treat that everyone will love. They can be served in various ways to enhance their flavor and presentation.
With a Glass of Milk
- Pairing these cookies with a cold glass of milk is classic. The milk complements the sweetness of the marshmallow cream.
As Ice Cream Sandwiches
- Take two Fluffernutter Cookies and add a scoop of your favorite ice cream in between. This makes for an indulgent dessert perfect for warm days.
Warm from the Oven
- Serve them warm right out of the oven for an ooey-gooey experience. The marshmallow cream will be melty and delicious.
With Fruit Slices
- Fresh fruit, like apple or banana slices, balances the sweetness. It’s a great way to add some freshness to your dessert table.
On a Dessert Platter
- Arrange them on a decorative platter with other cookies or treats for a festive look at gatherings and parties.
With Coffee or Tea
- Enjoy these cookies alongside your morning coffee or afternoon tea. The flavors pair beautifully, making it a comforting snack time.

How to Perfect Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
Perfecting your Fluffernutter Cookies takes just a few simple steps to ensure they turn out amazing every time.
- Chill the Dough: Refrigerating the dough for at least 30 minutes helps the cookies maintain their shape while baking.
- Use Fresh Ingredients: Ensure your peanut butter and marshmallow fluff are fresh for the best flavor and texture.
- Don’t Overmix: Mix until just combined to keep the cookies soft and chewy.
- Watch Baking Time: Keep an eye on them while baking; they should be slightly golden but still soft when you take them out.
- Store Properly: Store cooled cookies in an airtight container to maintain their freshness and softness.
- Experiment with Add-Ins: Feel free to add chocolate chips or nuts for extra flavor if desired.
Best Side Dishes for Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
To complement your Fluffernutter Cookies, consider serving them alongside these tasty side dishes. Each option enhances the cookie experience!
- Fresh Fruit Salad: A mix of seasonal fruits provides a refreshing contrast to sweet cookies.
- Chocolate Milkshake: Rich and creamy, this shake pairs perfectly with peanut butter flavors.
- Homemade Hot Cocoa: Warm cocoa adds coziness, especially during colder seasons.
- Yogurt Parfait: Layer yogurt with granola and berries for a healthy yet sweet option.
- Cheese Platter: A selection of cheeses can balance the sweetness of the cookies nicely.
- Nut Mix: A bowl of mixed nuts provides crunch and complements peanut butter well.
- Mini Cupcakes: Small cupcakes can make for an adorable dessert spread alongside cookies.
- Ice Cream Sundae Bar: Set up toppings with ice cream for DIY sundaes that work well with these cookies.
Common Mistakes to Avoid
When making Fluffernutter Cookies, it’s easy to run into some common pitfalls. Here are mistakes to watch out for:
- Skipping the Chill: Not refrigerating the dough can lead to cookies that spread too much while baking. Always chill the dough for at least 30 minutes.
- Incorrect Measuring: Using too much flour or sugar can ruin the texture. Measure ingredients carefully, using the scoop and level method for accuracy.
- Too Warm Ingredients: If the butter and peanut butter are too warm, your dough may become greasy. Ensure they are just softened, not melted.
- Overbaking: Baking longer than 10 minutes can lead to dry cookies. Keep an eye on them and pull them out when they are slightly underbaked for that gooey center.
- Ignoring Cooling Time: Moving cookies too soon from the baking sheet can cause them to break apart. Let them cool slightly before transferring to a wire rack.

Storage & Reheating Instructions
Refrigerator Storage
- Store Fluffernutter Cookies in an airtight container.
- They will stay fresh for up to 5 days in the fridge.
Freezing Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
- Place cookies in a single layer on a baking sheet until frozen.
- Once frozen, transfer them to a freezer-safe bag or container.
- They can be frozen for up to 3 months.
Reheating Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
- Oven: Preheat to 350°F and heat cookies for about 5 minutes for freshness.
- Microwave: Heat each cookie for about 10-15 seconds until warm and gooey.
- Stovetop: Use a skillet over low heat, covering it briefly until warmed through.
Frequently Asked Questions
Here are some common questions about Fluffernutter Cookies that might help clarify your baking process.
What makes Fluffernutter Cookies so special?
Fluffernutter Cookies combine the rich taste of peanut butter with gooey marshmallow cream, creating a delightful texture and flavor contrast that’s irresistible.
Can I use crunchy peanut butter instead?
Yes! Using crunchy peanut butter will add extra texture and depth to your Fluffernutter Cookies, making them even more delicious.
How do I ensure my cookies stay soft?
To keep your cookies soft, don’t overbake them. Remove them from the oven when they are just starting to turn golden brown on the edges.
Can I add chocolate chips?
Absolutely! Adding chocolate chips will enhance the sweetness and provide a nice balance with the peanut butter flavor in your Fluffernutter Cookies.
How can I customize these cookies?
You can customize Fluffernutter Cookies by adding different mix-ins like nuts or drizzling chocolate on top after baking for an extra treat!
Final Thoughts
These Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) are not just any dessert; they’re a treat that brings joy with every bite. Their soft texture and sweet flavors make them perfect for any occasion. Feel free to customize with your favorite additions or enjoy them as is!
Fluffernutter Cookies (Peanut Butter and Marshmallow Cream)
Fluffernutter Cookies (Peanut Butter and Marshmallow Cream) are an indulgent treat that perfectly marries the creamy richness of peanut butter with the sweet, gooey goodness of marshmallow fluff. These soft, chewy cookies are ideal for any occasion, whether you’re celebrating a special event or simply treating yourself to a delightful snack at home. Each bite offers a comforting taste that evokes childhood memories, making them a beloved favorite for all ages. Easy to prepare and customizable with add-ins like chocolate chips or nuts, these cookies promise to impress everyone who tries them. Enjoy them warm from the oven or as part of a dessert platter at your next gathering.
- Prep Time: 20 minutes
- Cook Time: 10 minutes
- Total Time: 30 minutes
- Yield: Approximately 18 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
- In a medium bowl, whisk together flour, salt, cornstarch, baking soda, and baking powder.
- In a large bowl, beat together softened butter and peanut butter until smooth.
- Add granulated sugar, brown sugar, egg, and vanilla; mix until fluffy.
- Gradually incorporate the dry ingredients until just combined.
- Chill the dough for at least 30 minutes.
- Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.
- Scoop dough into balls, flatten each slightly, fill with marshmallow fluff, then reshape into balls.
- Place on the baking sheet and bake for about 10 minutes until lightly golden around edges.
- Cool slightly before transferring to a wire rack.
Nutrition
- Serving Size: 1 serving
- Calories: 150
- Sugar: 10g
- Sodium: 70mg
- Fat: 7g
- Saturated Fat: 3g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 20g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 15mg








