Embracing a Childhood Classic with a Modern Twist

Growing up, the classic fluffernutter sandwich — a sweet symphony of peanut butter and marshmallow fluff between two slices of white bread — was a staple for many. While I wasn’t always its biggest fan as a kid, my adult palate has certainly developed an appreciation, especially for it in cookie form! This recipe is my elevated, better-for-you interpretation of that iconic peanut butter and marshmallow combination, transforming it into an irresistible cookie that caters to modern dietary needs without sacrificing any of the fun or flavor.

These vegan and gluten-free fluffernutter cookies draw inspiration from some of my all-time favorites, including my celebrated Peanut Butter Blossoms and comforting Muddy Buddy Cookies. It all begins with a tried-and-true peanut butter cookie base, which is then generously stuffed with mini marshmallows. As these cookies bake, the marshmallows melt into wonderfully gooey, sweet pockets, creating a magical texture surprise in every bite. Imagine sinking your teeth into a tender, peanut buttery cookie only to discover a warm, stretchy marshmallow center – pure bliss!

If you have a special place in your heart for peanut butter and marshmallows, prepare for these cookies to become a regular fixture in your baking rotation. Their incredible flavor profile combined with surprising ease of preparation makes them an instant favorite.

Essential Ingredients for Perfect Fluffernutter Cookies

Crafting these delectable vegan and gluten-free fluffernutter cookies requires a handful of simple, wholesome ingredients. Each component plays a crucial role in achieving the desired texture, flavor, and overall deliciousness.

• Almond Flour: This forms the base of our gluten-free cookie dough. Almond flour contributes significantly to the cookies’ incredibly soft, tender texture and a melt-in-your-mouth quality that’s hard to beat. It’s also a great source of healthy fats and protein.
• Oat Flour: Complementing the almond flour, oat flour adds to the chewiness and structure of the cookies. You can purchase pre-made oat flour or easily make your own by blending rolled oats into a fine powder. For the absolute softest texture, store-bought oat flour is often recommended due to its consistent fine grind. Important: If you have a severe gluten allergy or celiac disease, always opt for certified gluten-free oat flour to avoid cross-contamination.
• Peanut Butter: The star of the show! For the best results, use an all-natural, creamy, and runny peanut butter. It should ideally have a thin, pourable consistency, containing only peanuts (and perhaps a touch of salt) as its ingredients. This type of peanut butter blends seamlessly into the dough and contributes to the cookies’ characteristic moistness and rich flavor. Avoid thick, “no-stir” peanut butter or those with added sugars and oils, as they can alter the cookie’s texture.
• Maple Syrup: This natural liquid sweetener not only provides a pleasant sweetness but also adds crucial moisture to the cookie dough, keeping it tender. Agave syrup makes an excellent vegan alternative if you don’t have maple syrup on hand. If you’re not strictly vegan, honey can also be used, though it will subtly change the flavor profile.
• Baking Powder: Our leavening agent. Baking powder helps the cookies rise beautifully and contributes to their overall soft, fluffy texture, preventing them from becoming too dense.
• Vanilla Extract: A splash of good quality vanilla extract enhances all the other flavors, adding a warm, aromatic depth that’s essential in any sweet baked good.
• Salt: Just a pinch of salt is vital for balancing the sweetness and intensifying the rich flavors of the peanut butter and marshmallow, bringing everything into perfect harmony.
• Vegan Mini Marshmallows: The key to those irresistible gooey centers! It’s crucial to double-check that your marshmallows are certified vegan, as many conventional brands contain gelatin. Look for brands specifically labeled “vegan mini marshmallows” at health food stores or online.

Step-by-Step Guide: How to Make Fluffernutter Cookies

Creating these delightful Fluffernutter cookies is a straightforward process. Follow these simple steps for perfectly baked, gooey-centered treats:

1. Prepare Your Workspace: Begin by preheating your oven to 350°F (175°C). Line a large baking sheet with parchment paper. This prevents sticking and ensures easy cleanup.
2. Combine Wet Ingredients: In a spacious mixing bowl, combine the runny peanut butter, maple syrup, and vanilla extract. Stir these ingredients thoroughly until the mixture is completely smooth and well-incorporated. The consistency should be uniform and free of lumps.
3. Incorporate Dry Ingredients: To the wet mixture, add the almond flour, oat flour, baking powder, and salt. Mix gently but thoroughly until a soft, pliable dough forms. Be careful not to overmix; stop as soon as the dry ingredients are just combined to keep the cookies tender.
4. Scoop and Stuff with Marshmallows: Use a cookie scoop (about 1.5-2 tablespoons) to portion out the dough. Lightly flatten each dough ball in the palm of your hand. Place 3-4 mini vegan marshmallows in the center of the flattened dough. Carefully fold the dough around the marshmallows, rolling it into a neat ball to ensure the marshmallows are fully enclosed. Arrange the dough balls on your prepared baking sheet, then gently flatten each one slightly with your palm. For extra visual appeal and marshmallow goodness, you can press a few additional mini marshmallows onto the tops of the cookies before baking.
5. Bake to Perfection: Bake the cookies for 10–12 minutes. They are ready when the edges appear lightly golden, but the centers still look soft and slightly underbaked – they will firm up as they cool. Immediately upon removing the baking sheet from the oven, use the rim of a glass (slightly larger than your cookies) to gently swirl around each cookie. This technique helps to create perfectly round cookies with lovely crinkly edges. Then, give the baking sheet a quick, firm tap on the counter. This action helps to settle the cookies, contributing to those desirable chewy edges. Allow the cookies to cool completely on the baking sheet before attempting to move them or dig in. This cooling period is crucial, as almond flour cookies are delicate when warm but will firm up beautifully as they set.

Expert Tips for Fluffernutter Cookie Success

To ensure your vegan and gluten-free fluffernutter cookies turn out perfectly every time, keep these expert tips in mind:

• The Right Peanut Butter is Key: As mentioned in the ingredients, using an all-natural, runny peanut butter is non-negotiable. Its liquid consistency is vital for the dough’s proper moisture and texture. If your peanut butter is thick or separated, give it a vigorous stir or gently warm it in the microwave for a few seconds until it reaches a pourable consistency.
• Don’t Skip the Tray Tap: That quick, gentle tap of the baking sheet on the counter immediately after baking isn’t just a fun trick; it’s a technique that helps deflate the cookies slightly, creating those wonderful chewy edges and characteristic crinkly tops.
• Patience with Cooling Time: This might be the hardest tip to follow, but it’s essential! Because these cookies are made with almond flour, they will be extremely tender and delicate right out of the oven. Resist the urge to move them too soon. Allowing them to cool completely on the baking sheet will let them set and firm up properly, ensuring they don’t break apart when you handle them.

Storing Your Delicious Fluffernutter Cookies

Proper storage ensures your cookies remain fresh and delicious for as long as possible:

• Room Temperature: Store your cooled fluffernutter cookies in an airtight container at room temperature for 2-3 days.
• Refrigerator: For extended freshness, keep them in an airtight container in the refrigerator for 4-5 days.
• Freezing: These cookies freeze beautifully! Once they are completely cooled, arrange them in a single layer in an airtight, freezer-safe container or bag. You can freeze them for up to 2 months. When ready to enjoy, simply thaw them at room temperature or gently warm them for a few seconds in the microwave for that fresh-baked gooeyness.

Variations & Customizations

While these fluffernutter cookies are perfect as is, feel free to get creative with these delightful variations:

• Chocolate Chip Swirl: Fold in a handful of vegan mini chocolate chips into the dough for a delightful peanut butter chocolate marshmallow combo.
• Nut Butter Alternatives: Experiment with different natural nut butters like almond butter or cashew butter for a slightly different flavor profile. Just ensure they have a similar runny consistency.
• Salty-Sweet Twist: Sprinkle a touch of flaky sea salt on top of the cookies just before baking to enhance the peanut butter flavor and add a gourmet touch.
• Toasted Marshmallow Topping: For an extra layer of flavor and texture, briefly torch the marshmallows on top of the baked cookies (if you have a kitchen torch) until slightly golden and caramelized.

Frequently Asked Questions About Fluffernutter Cookies

Can I use regular marshmallows?

If you’re not strictly vegan, yes, conventional mini marshmallows can be used. Just ensure they are small enough to be easily stuffed into the cookie dough.

What if I don’t have oat flour?

You can make your own oat flour by blending rolled oats in a high-speed blender or food processor until a fine flour consistency is achieved. For gluten-free needs, ensure you use certified gluten-free rolled oats.

How do I prevent the marshmallows from oozing out?

The key is to fully enclose the marshmallows within the cookie dough ball. Make sure there are no cracks or openings in the dough when you roll them. A gentle flattening before baking also helps keep them contained.

Are these cookies suitable for nut allergies (other than peanuts)?

No, this recipe uses almond flour and peanut butter. If you have a tree nut allergy, you would need to find suitable substitutes for almond flour (e.g., specific gluten-free blends) and use a seed butter (like sunflower seed butter) instead of peanut butter, which would alter the classic “fluffernutter” flavor but still result in a delicious cookie.

Why are my cookies falling apart?

This is likely due to insufficient cooling time. Almond flour cookies are very delicate when warm. Always let them cool completely on the baking sheet to allow them to firm up.

More Cookie Recipes You’ll Love

Craving more delightful baked goods? Explore these other fantastic cookie recipes:

Fluffernutter Cookies (Vegan, Gluten-Free)

By Megan

Yield: 10 cookies

Prep Time: 15 minutes

Cook Time: 10 minutes

Total Time: 25 minutes

Fluffernutter Cookies are soft and chewy peanut butter cookies filled with gooey marshmallows. An easy cookie that’s vegan, gluten-free, and so nostalgic!

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Ingredients

• 1 cup almond flour
• ¼ cup oat flour
• ½ cup runny peanut butter
• ⅓ cup maple syrup
• ½ teaspoon vanilla extract
• ½ teaspoon baking powder
• ¼ teaspoon salt
• ½ cup vegan mini marshmallows

Instructions

1. Preheat the oven: Set your oven to 350°F (175°C) and line a baking sheet with parchment paper.
2. Mix the wet ingredients: In a large bowl, stir together the peanut butter, maple syrup, and vanilla extract until smooth.
3. Add the dry ingredients: Add the almond flour, oat flour, baking powder, and salt. Mix until a soft dough forms.
4. Scoop and stuff: Use a cookie scoop to scoop the dough and flatten slightly in your palm. Tuck 3–4 mini marshmallows inside, roll into a ball, place on the baking sheet, and gently flatten (feel free to press a few extra marshmallows on top).
5. Bake: Bake for 10–12 minutes, until the edges are lightly golden and the centers are still soft. As soon as the cookies come out of the oven, use the rim of a glass to gently round the cookies. Then, give the baking sheet a quick tap on the counter to create chewy edges. Let the cookies cool completely before digging in – they’ll firm up as they set.

Equipment

• Large mixing bowl
• Whisk or spoon
• Cookie scoop
• Baking sheet
• Parchment paper
• Measuring cups and spoons

Notes

• Use drippy peanut butter: Using an all-natural runny peanut butter is key here. If your peanut butter is thick, give it a good stir or gently warm it first until it’s a pourable consistency.
• Tap the tray: That quick tap after baking helps create chewy edges and crinkly tops.
• Don’t skip the cooling time: Since these cookies are made with almond flour, they’ll be very tender and delicate once they come out of the oven, but they’ll firm up as they cool.

Nutrition Information (per 1 cookie serving)

Calories:

190 kcal

Carbohydrates:

17g

Protein:

6g

Fat:

12g

Saturated Fat:

2g

Polyunsaturated Fat:

2g

Monounsaturated Fat:

3g

Sodium:

138mg

Potassium:

109mg

Fiber:

2g

Sugar:

10g

Calcium:

55mg

Iron:

1mg