Fluffernutter Brownies fits naturally into moments when cooking needs to feel manageable.

One sunny afternoon, I found myself in the kitchen, surrounded by the sweet aroma of melting chocolate and the comforting sound of my kids laughing. As I stirred together a batch of Fluffernutter Brownies, I couldn’t help but feel a wave of nostalgia wash over me. The combination of creamy peanut butter and fluffy marshmallow atop rich, fudgy brownies is a treat that brings joy to any gathering. Each bite of these Fluffernutter Brownies is a delightful explosion of flavors, making them the perfect dessert for both kids and adults alike. They’re not just brownies; they’re a celebration of sweet memories and family moments.

Craving something sweet to finish your meal? Discover our dessert recipes made for cozy nights, celebrations, and everything in between.

What is Fluffernutter Brownies?

Fluffernutter Brownies are a delightful fusion of two beloved treats: brownies and the classic fluffernutter sandwich. Originating in the United States, the fluffernutter combines creamy peanut butter and sweet marshmallow fluff, creating a nostalgic flavor that many cherish. These brownies take that concept to the next level, layering a rich chocolate brownie base with a luscious peanut butter and marshmallow topping. The result is a dessert that not only satisfies your sweet tooth but also evokes warm memories of childhood snacks and family gatherings.

Why You’ll Love This Fluffernutter Brownies

Quick to prepare, making them perfect for busy weeknights.
Decadent flavor that appeals to both children and adults.
Vegetarian-friendly, allowing everyone to indulge.
Great for sharing at parties, potlucks, or family gatherings.

Who It’s For

Fluffernutter Brownies are perfect for busy families seeking a quick and satisfying dessert, health-conscious cooks who want to indulge without guilt, and food lovers eager to explore a unique twist on a classic treat.

When to Cook It

These brownies are ideal for any occasion, whether it’s a casual weeknight dinner, a festive birthday celebration, or simply a cozy family meal at home. They also make a fantastic addition to potlucks and gatherings, sure to impress your guests.

How to Make the Perfect Fluffernutter Brownies

Ingredients

1 cup unsalted butter: Adds richness and moisture to the brownies.
2 cups granulated sugar: Sweetens the brownies and helps create a fudgy texture.
4 large eggs: Binds the ingredients together and adds structure.
1 teaspoon vanilla extract: Enhances the overall flavor profile.
1 cup all-purpose flour: Provides the base structure for the brownies.
1 cup cocoa powder: Gives the brownies their rich chocolate flavor.
1/2 teaspoon salt: Balances the sweetness and enhances flavors.
1 cup creamy peanut butter: Adds a smooth, nutty flavor and creamy texture.
1 cup marshmallow fluff: Creates a sweet, gooey topping that complements the brownies.

Step-by-Step Instructions

Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan to prevent sticking.
In a large bowl, melt the butter in the microwave or on the stovetop, then mix in the granulated sugar until well combined and smooth.
Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract for a fragrant touch.
In another bowl, whisk together the all-purpose flour, cocoa powder, and salt until evenly mixed.
Gradually add the dry ingredients to the wet mixture, stirring until just combined to avoid overmixing.
Pour half of the brownie batter into the prepared pan, spreading it evenly across the bottom.
In a separate bowl, mix the creamy peanut butter and marshmallow fluff until smooth and well blended.
Spread the peanut butter and marshmallow mixture over the brownie layer in the pan, creating a luscious topping.
Carefully pour the remaining brownie batter over the fluff layer, spreading it gently to cover.
Bake in the preheated oven for 30-35 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
Allow the brownies to cool completely in the pan before cutting them into squares and serving.

For People with Diabetes: Sugar Substitutes

Stevia: A natural sweetener with zero calories, perfect for reducing sugar intake.
Monk fruit: A calorie-free sweetener derived from monk fruit, ideal for baking.
Allulose: A low-calorie sugar that mimics sugar’s taste without affecting blood sugar levels.

Tools You’ll Need

9×13 inch baking pan
Mixing bowls
Whisk
Spatula
Measuring cups and spoons
Microwave or stovetop for melting butter
Toothpick for testing doneness

Top Tips from Well-Known Chefs

Use high-quality chocolate for a richer flavor in your brownies.
Let the brownies cool in the pan for at least 10 minutes before cutting to ensure clean edges.
For an extra indulgent treat, sprinkle sea salt on top before baking to enhance the sweetness.
Incorporate mini chocolate chips into the brownie batter for added texture and flavor.
Try adding a splash of espresso to the batter to deepen the chocolate flavor.

Storing and Reheating Tips

Store leftover Fluffernutter Brownies in an airtight container at room temperature for up to 3 days to maintain freshness.
For longer storage, freeze brownies wrapped tightly in plastic wrap and then in aluminum foil for up to 2 months.
To reheat, place a brownie in the microwave for 10-15 seconds for a warm, gooey treat.
Alternatively, reheat in a preheated oven at 350°F (175°C) for about 5-10 minutes for a freshly baked taste.

Common Mistakes to Avoid

Overmixing the batter: This can lead to dense and tough brownies instead of the desired fudgy texture.
Not greasing the pan properly: Failing to grease the baking pan can result in brownies that stick and break apart when removed.
Cutting brownies before they cool: Slicing too soon can cause the brownies to crumble and lose their shape.
Using expired ingredients: Always check the freshness of your baking supplies, as expired ingredients can affect flavor and texture.
Baking at the wrong temperature: Ensure your oven is properly calibrated; baking at too high or too low a temperature can lead to unevenly cooked brownies.

FAQs About Fluffernutter Brownies

Yes, Fluffernutter Brownies are a delicious combination of chocolate brownies, peanut butter, and marshmallow fluff.

No, these brownies are not gluten-free due to the use of all-purpose flour.

It depends on your preference; you can use crunchy peanut butter for added texture in your Fluffernutter Brownies.

Yes, you can freeze Fluffernutter Brownies for up to 2 months without losing their flavor.

No, these brownies are not low in sugar; consider using sugar substitutes if you’re looking for a healthier option.

Conclusion: Final Thoughts on Fluffernutter Brownies

Fluffernutter Brownies are a delightful treat that combines rich flavors and comforting textures, making them a perfect addition to any dessert table. I hope you enjoy making and sharing these brownies as much as I do! If you try the recipe, please leave a comment below and let me know how they turned out. Happy baking!

Discover more easy, family-friendly recipes and daily cooking inspiration on Pinterest.

Fluffernutter Brownies Recipe

What is Fluffernutter Brownies?