Delish Fluffernutter Brownies

Delish Fluffernutter Brownies
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There’s a small, very specific joy in making something that feels both nostalgic and a little bit indulgent. My Delish Fluffernutter Brownies are exactly that: a chewy, chocolatey base studded with pockets of peanut butter and crowned with that glossy, cloud-like marshmallow layer that pulls apart with a tiny, guilty stretch. It’s the kind of dessert that smells like childhood and evening comfort at the same time, and if you’re the sort of person who loves sticky fingers and slow bites, these brownies will make your kitchen feel like a warm corner of home.

My husband always gets the end pieces—he’ll admit it’s his favorite bit—and he’s not shy about stealing the last one when he thinks I’m not looking. We had a weekend once when the kids were at a friend’s house and the evening stretched long and quiet. I baked a pan just because I wanted the house to smell like chocolate and something a little nutty. He came in with his socks still warm from the dryer, made a cup of tea, and sat at the counter while I scraped the spatula. The dog sat by the oven like a patient, polite critic, tail thumping every time the pan tilted. We each had a square and then another, and we spoke in soft, slow sentences about nothing much. I’ll admit—there was a small mishap with the marshmallow layer bubbling over a bit and caramelizing on the rim of the pan. It looked messy, but somehow that crispy sugar edge tasted like the best part of the day. Those little domestic imperfections are part of the charm.

Why You’ll Love This Delish Fluffernutter Brownies

– They’re a mash-up of textures that feels like a hug: fudgy brownie, creamy peanut butter ribbons, and that marshmallow top that toasts and sighs when you pull it apart. The contrast is quietly thrilling.
– The smell is immediate and comforting—warm chocolate with a toasty, nutty scent that fills the kitchen and makes everyone wander in. Honestly, it can turn a regular Tuesday into a small celebration.
– They’re forgiving. A little underbaked means gooey heaven; a little overbaked gives you chew and crackle. Either way, they read as home-baked and loved.
– They’re perfect for passing along: neighbors, school bake sales, or wrapped in brown paper for a friend who needs a pick-me-up. They travel well and arrive smelling like care.

Slow Moments

There’s a ritual to making these that I enjoy more than I expected. I put on a playlist—something gentle, vinyl-like—and leave the kitchen window open a crack if the weather allows. The bowl feels warm under my hands as I mix. I pause to taste: a tiny spoonful of chocolate batter, a whisper of peanut butter on the back of my tongue. The kids will often dart in and out, whispering secrets or borrowing an apron. One of them likes to press the melted peanut butter into the batter with a toothpick, making lazy swirls that look like mini landscapes. The marshmallow stage is where time slows: watching it puff, deciding if I want to torch it a touch or let it brown in the oven until it forms that gently crackly top. When it comes out, we stand around the counter, small pieces on napkins, half-drunk coffee cooling beside us, and the dog begging politely for a crumb. Little hands get sticky; laughter comes easy. That’s the real reward—these brownies invite you to slow down and share.

Time-Saving Hacks

– Use jarred marshmallow spread if you’re short on time—swirl it on and pop the pan under the broiler for a minute for a similar effect.
– Warm the peanut butter slightly so it ribbons through more easily; a few seconds in the microwave makes it glide without fuss.
– Make the brownie layer in a single bowl to cut down on cleanup. I’ll admit, I’m a fan of fewer dishes on a busy night.
– Freeze pre-portioned batter in silicone molds if you like to bake spontaneously—thaw slightly and bake a little longer for a fresh batch with minimal planning.
– Remember: a calm pause while something bakes often improves the result. Letting it rest a bit before cutting makes cleaner slices and fewer crumbs.

Serving Ideas

– For a cozy weeknight dessert, serve warm with a scoop of vanilla ice cream and a drizzle of leftover peanut butter. The contrast of temperatures is quietly luxurious.
– For a slower weekend, make a tray, set it on the table with small plates and mismatched forks, and make it an event—tea for the grown-ups, milk for the kids, and long conversation that stretches past dessert.
– If you want a lighter touch, dust with a little flaky sea salt and serve with black coffee. The salt highlights the chocolate and peanut butter in the best way.
– Pair with a simple fruit plate—sliced apples or pear are great for cutting through the richness.
– For a brunch-ish vibe, serve alongside a thermos of strong coffee and this gentle fruit crisp recipe I love at https://mychillirecipes.com — it’s one of those combos where sweetness and tartness hold hands.

Tips & Mistakes

I once used crunchy peanut butter because I thought it would be fun—turns out it makes small, stubborn pockets that can be a little distracting. Smooth is friendlier here. Also, watch the marshmallow closely under the broiler; it goes from golden to charred faster than you’d think. I’ve learned to step back and trust the timer, but still hover with the oven mitt because I’m nosy like that. If your batter seems a touch stiff, a splash of milk softens it without losing structure. And if the edges get too crisp, tent the pan with foil for the last minutes—this softens and rescues many of my overachieving bakes.

Storage Tips

These keep well at room temperature for a day or two in a covered tin. If you need to store them longer, I like to wrap individual squares in parchment and refrigerate; they’re lovely slightly chilled with coffee in the morning. Reheat one for 10–15 seconds in the microwave for that just-baked, melty feel—be careful with the marshmallow because it can puff and stick to the plate. They also freeze beautifully: layer with parchment and thaw on the counter or in your lunchbox. My trick for next-day enjoyment is to let them come to room temperature before eating—some flavors bloom when they’ve had a little rest.

Variations and Substitutions

I’ve tried almond butter for a nuttier, subtler spin—delicious, if a bit more mature in flavor. For a seasonal twist, add a sprinkle of cinnamon or a teaspoon of orange zest for brightness; the citrus cuts the richness in the nicest way. If you need a gluten-free version, I’ve had good results with a cup-for-cup gluten-free flour blend and a slightly longer bake time—just watch for that fudgy center. For a vegan take, swap in plant-based butter and a flax egg, and use dairy-free marshmallow for a surprisingly similar experience. I once experimented with a drizzle of tahini in place of some peanut butter—unexpectedly good, though it leaned toward savory in a walk-on-the-wild-side kind of way.

Frequently Asked Questions

I can’t have gluten… will this still work?
Absolutely. Swap soy sauce for tamari or coconut aminos. It keeps the same comforting balance—I often do this for family dinners.

Do I have to peel the pineapple first?
Yes—the peel is too tough. Once it’s gone, the inside is tender and sweet, which is exactly what you want here.

Can I use canned pineapple instead of fresh?
You can. Drain it well; it’s not quite as bright as fresh, but it brings a gentle sweetness when you’re in a pinch.

How sweet is this? Can I tone it down?
Of course. Use a bit less sugar, or try honey or maple syrup. I often adjust depending on the season or time of day.

What if I skip the sesame oil?
That’s fine. You’ll miss a gentle toasty depth, but it remains a warm, comforting dish without it.

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Delish Fluffernutter Brownies

Delish Fluffernutter Brownies

A deliciously rich and chewy brownie infused with the classic flavors of a fluffernutter sandwich.
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Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Servings: 12
Calories: 120kcal

Ingredients
 

Main Ingredients

  • 0.5 cup unsalted butter melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 cup all-purpose flour
  • 0.5 cup cocoa powder unsweetened
  • 0.5 cup peanut butter creamy
  • 1 cup marshmallow fluff

Instructions

Preparation Steps

  • Preheat your oven to 350°F (175°C) and grease a baking pan.
  • In a bowl, mix the melted butter and sugar until combined.
  • Add the eggs and mix well until smooth.
  • Sift together the flour and cocoa powder, then fold them into the mixture.
  • Spread half of the brownie batter into the prepared pan.
  • Spread the marshmallow fluff over the batter, followed by peanut butter.
  • Top with the remaining brownie batter and swirl to combine.
  • Bake for 30 minutes or until a toothpick comes out clean.
  • Allow to cool before cutting into squares and serving.

Notes

For an extra touch, drizzle melted chocolate on top before serving.

If you try this recipe, please leave a comment and rating below. I love to hear from you and always appreciate your feedback!