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Marshmallow Brownies Swirl Edition – Fudgy Chocolate Delight
I grew up in a bustling Marrakech souk, where the aroma of fresh spices and sweet pastries mingled in the air. One rainy evening, after a day in the kitchens of Le Cordon Bleu in Paris, I returned to my mother’s modest kitchen and thought, why not bring the decadence of a French chocolate brownie into Morocco’s love of marshmallow‑like sweets? That’s how the Marshmallow Brownies Swirl Edition was born. Combining my Parisian chocolate technique with a Moroccan twist of soft, fluffy marshmallow, the result is a fudgy chocolate delight that sings with a sweet, caramel‑like top. If you’re searching for a recipe that marries indulgence with a hint of nostalgia, this marshmallow brownie will satisfy every craving.
I spread a generous layer of silky brown butter and dark cocoa across the pan, letting the aroma of roasted cacao rise to greet the kitchen. The batter itself is dense, almost a chocolate mousse, yet when baked it pulls together into a glossy, crack‑free square. The marshmallow swirl on top melts into a golden, caramelized ribbon, offering a playful contrast between the rich, slightly bitter chocolate base and the sweet, airy marshmallow. The first bite delivers a melt‑in‑your-mouth fudgy bite, followed by a subtle crunch from the chocolate chips. The scent alone is enough to transport you from the streets of New York to a Parisian patisserie, with a hint of warm Moroccan spices in the background.
Years of professional training in Paris taught me that texture is as important as flavor, and I’ve honed this recipe to achieve that perfect balance of fudgy center and soft, caramelized top. I’ve tested it dozens of times in my NYC kitchen, tweaking the ratio of butter to oil until it became irresistibly moist. A key pro tip? Let the marshmallow fluff sit at room temperature for a few minutes before dolloping; it will swirl more easily and create a beautiful ribbon. A common mistake is overbaking the brownies, which dries out both the chocolate and the marshmallow. Follow the time guidelines, and you’ll get a professional‑grade result every time.
Why This Marshmallow Brownies Recipe Is the Best
At the heart of this marshmallow brownie lies the marriage of a Dutch‑process cocoa base, which delivers a smooth, almost chocolate‑like flavor, with a generous swirl of marshmallow creme that adds a sweet, airy contrast. My background in French pastry informs the precise temperature control, ensuring the chocolate stays silky while the marshmallow gently melts into a caramelized ribbon, giving each bite a multi‑layered experience.
The technique of pre‑mixing the dry ingredients separately and then slowly folding in the wet mixture prevents gluten development, preserving a tender crumb. Additionally, by adding the chocolate chips last and folding them gently, the chips remain intact, offering bursts of chocolate in every piece. The gentle swirl of marshmallow not only enhances visual appeal but also creates micro‑air pockets that make the brownies incredibly light.
Even if you’re a beginner, this recipe’s step‑by‑step guidance eliminates guesswork. From the precise preheat temperature of 325°F to the final test with a toothpick, each instruction is clear and concise. The use of common pantry items means you’re unlikely to run out of ingredients, and the bake time of just 45–55 minutes fits neatly into a weekday dinner routine.
Marshmallow Brownies Ingredients
All the ingredients for this marshmallow brownie can be found in any major New York grocery store—whether you’re grabbing a quick stop at Whole Foods or exploring the vibrant stalls of the Brooklyn Food Hall. I’ve chosen ingredients that balance quality and accessibility, ensuring that a seasoned chef or a weekend baker can achieve a restaurant‑level result.
Ingredients List
- 2 cups white granulated sugar
- 3 large eggs
- 1 egg yolk
- 1/2 cup unsalted butter, melted
- 2 tsp pure vanilla extract
- 1/2 cup oil (canola or vegetable)
- 3/4 cup all‑purpose flour
- 1 cup unsweetened cocoa powder (Dutch‑process)
- 1 1/2 Tbsp cornstarch
- 1/2 tsp salt
- 1 cup semi‑sweet chocolate chips
- 1 cup marshmallow creme
Ingredient Spotlight
Unsweetened Dutch‑process cocoa powder provides a deep, mellow chocolate flavor without the sharp bitterness. Look for brands like Ghirardelli or Callebaut; if you’re on a budget, store brands can work if you sift them to remove clumps. A substitute would be regular cocoa powder, though the flavor will be slightly more acidic.
The marshmallow creme is the star of this recipe, giving that signature swirl and airy texture. Opt for the original vanilla or, for a richer taste, the chocolate‑flavored version. If you can’t find it, you can make a quick version by whisking 2 tbsp melted butter, 1 tbsp sugar, a dash of vanilla, and 1 cup milk until thickened, then adding 3 tbsp gelatin.
Semi‑sweet chocolate chips add bursts of chocolate and prevent the brownies from becoming overly sweet. For a richer bite, choose high‑cocoa chips (70% or higher). If you need a dairy‑free option, use dark chocolate chips or a vegan chocolate chip brand; texture stays firm, but the flavor profile shifts slightly.
| Original Ingredient | Best Substitution | Flavor / Texture Impact |
|---|---|---|
| Unsweetened cocoa powder | Regular cocoa powder | Slightly more acidic, bitter taste |
| Marshmallow creme | Homemade marshmallow | Fresher flavor, extra prep time |
| Semi‑sweet chocolate chips | Dark chocolate chunks | Less sweet, richer bitterness |
How to Make Marshmallow Brownies — Step-by-Step
Follow these eight simple steps and you’ll have a batch of decadent, marshmallow‑swirled brownies ready for your next gathering.
Step 1: Prepare the Pan
Preheat oven to 325°F (160°C). Spray a 9×9‑inch baking pan with non‑stick spray, line the bottom and two sides with parchment paper, and spray again to ensure easy release.
💡 emy’s Pro Tip: Using parchment paper on the sides keeps the brownies from sticking and gives them a clean edge.
Step 2: Sift Dry Ingredients
In a medium bowl, sift together the flour, Dutch‑process cocoa powder, cornstarch, and salt. This aerates the mix and prevents clumping.
⚠️ Common Mistake to Avoid: Mixing dry ingredients too early can cause lumps; always sift before adding to wet.
Step 3: Beat Sugar & Eggs
Using a stand mixer with a whisk attachment, beat the sugar, eggs, and egg yolk on high speed for 5 minutes until the mixture turns pale and thick.
💡 emy’s Pro Tip: The pale color indicates the sugars have dissolved, which is critical for a tender crumb.
Step 4: Add Oil & Butter
Slowly pour in the oil, melted butter, and vanilla, mixing on low until fully combined. This step keeps the batter smooth and prevents separation.
⚠️ Common Mistake to Avoid: Adding all liquids at once can create a curdled batter; add them gradually.
Step 5: Mix Chocolate Chips
Fold the sifted dry ingredients into the wet batter on low speed until just combined. Gently fold in the chocolate chips with a rubber spatula; the chips should stay intact.
💡 emy’s Pro Tip: Folding instead of stirring preserves the airy texture and keeps the chips evenly distributed.
Step 6: Dollop Marshmallow Fluff
Pour the batter into the prepared pan. In a small bowl, microwave the marshmallow fluff for 20–30 seconds until slightly softened, then use a spoon to dollop it on top of the batter. With a butter knife, lightly swirl the marshmallow into the batter; you’ll see a ribbon pattern.
⚠️ Common Mistake to Avoid: Over‑stirring the marshmallow can break the swirl; handle it gently.
Step 7: Bake
Bake for 45–55 minutes. The brownies are done when a toothpick inserted near the center comes out with a few moist crumbs. If the center looks too dry, bake a few minutes longer.
💡 emy’s Pro Tip: Use a toothpick rather than a fork; it gives a more accurate moisture indicator.
Step 8: Cool
Remove from oven and let the brownies cool on a wire rack completely before cutting. Cutting while warm will make them gummy.
⚠️ Common Mistake to Avoid: Cutting too early results in sticky brownies that won’t hold their shape.
| Step | Action | Duration | Key Visual Cue |
|---|---|---|---|
| 1 | Prepare pan | 5 min | Parchment lined, pan ready |
| 2 | Sift dry | 3 min | Airy mixture |
| 3 | Beat eggs | 5 min | Pale thick batter |
| 4 | Add liquids | 2 min | Smooth batter |
| 5 | Fold dry | 3 min | Uniform batter |
| 6 | Add marshmallow | 4 min | Swirl visible |
| 7 | Bake | 45–55 min | Golden crust |
| 8 | Cool | 30 min | Set, firm |
Serving & Presentation
When you finally slice your brownies, the glossy surface should gleam under kitchen light, and the marshmallow ribbon will peek through like a caramelized waterfall. Serve the squares on a simple slate board, drizzle a little dark chocolate ganache, and add a dusting of sea salt for contrast.
Pair these brownies with a scoop of vanilla bean ice cream for a classic treat, or top them with a splash of espresso for a boozy espresso brownie twist. The sweet marshmallow flavor pairs surprisingly well with a chilled glass of full‑bodied red wine, such as a Cabernet Sauvignon, which cuts through the richness.
In my Moroccan kitchen, I sometimes serve a warm cup of mint tea next to brownies, letting the aromatic mint cleanse the palate between sweet bites. The contrast of hot tea and cold brownie creates a comforting, cosmopolitan experience.
| Pairing Type | Suggestions | Why It Works |
|---|---|---|
| Side Dish | Fresh strawberries, blueberries | Adds bright acidity and fresh texture |
| Sauce / Dip | Caramel sauce, warm chocolate ganache | Enhances sweetness and moisture |
| Beverage | Espresso, cold brew, sparkling wine | Cuts through richness and adds depth |
| Garnish | Toasted coconut flakes, sea salt flakes | Adds texture and flavor contrast |
Make-Ahead, Storage & Reheating
With New York’s fast pace, I love having a batch of brownies ready to go. I bake them on Sunday afternoons and slice them into small squares for office lunches, weekend brunches, or spontaneous dessert parties.
| Method | Container | Duration | Reheating Tip |
|---|---|---|---|
| Refrigerator | Airtight plastic container | 5 days | Microwave 20 s, then cool |
| Freezer | Vacuum seal bag | 3 months | Wrap in foil, bake 10 min |
| Make‑Ahead | Pre‑baked pan in fridge | 2 days in advance | Add fresh marshmallow before serving |
When reheating, keep the marshmallow fluff at room temperature; if it has hardened, gently warm it in the microwave before spreading. This simple step restores the original airy texture without drying out the brownie.
Variations & Easy Swaps
| Variation | Key Change | Best For | Difficulty Impact |
|---|---|---|---|
| Gluten‑Free Marshmallow Brownies | All‑purpose flour → almond + coconut flour + xanthan gum | Gluten intolerant | Slightly higher |
| Dairy‑Free Marshmallow Brownies | Butter & chocolate chips → dairy‑free butter & vegan chips | Lactose intolerant | Medium |
| Holiday Spice Marshmallow Brownies | Add 1 tsp cinnamon, 1/2 tsp nutmeg | Holiday season | Easy |
Gluten-Free Marshmallow Brownies
For those who need to avoid wheat, I substitute the all‑purpose flour with a blend of almond flour, coconut flour, and a pinch of xanthan gum. This keeps the brownies moist and gives them a subtle nutty undertone that pairs wonderfully with the marshmallow swirl.
Dairy-Free Marshmallow Brownies
Eliminating dairy is simple—use coconut oil or dairy‑free butter, and swap semi‑sweet chips for vegan chocolate chips. The result is a brownie that’s still fudgy but with a cleaner, less buttery finish.
Holiday Spice Marshmallow Brownies
When the holiday lights come on, I sprinkle a hint of cinnamon and nutmeg into the batter. The warm spices elevate the chocolate, making it perfect for a cozy Thanksgiving dessert or a New Year celebration.
How long do marshmallow brownies stay fresh in the refrigerator?
In the refrigerator, marshmallow brownies keep their best texture and flavor for about five days when stored in an airtight container. The moist environment preserves the fudgy crumb and keeps the marshmallow tops from drying out. If you’re a busy New Yorker, that gives you a week’s worth of dessert on hand for lunches, office parties, or spontaneous cravings. Just remember to let them sit at room temperature for a few minutes before serving to soften the marshmallow layer.
Can I bake these brownies in a smaller pan?
Yes! You can use a smaller pan, but you’ll need to adjust the baking time and thickness. In a 6×6‑inch pan, the batter will be thicker, so the brownies may take 55–65 minutes to reach the same level of doneness. Keep a close eye on the toothpick test; you’ll want it to come out with a few moist crumbs, not dry. If you’re using a mini pan, the brownies will be richer and less spread out, giving a more concentrated chocolate bite.
Is marshmallow fluff safe for kids?
Marshmallow fluff is generally safe for children, as it contains sugar, gelatin, and egg whites, all common ingredients in many desserts. However, it’s high in simple sugars, so moderation is key, especially for toddlers or kids with diabetes. If you’re concerned, you can substitute the fluff with a homemade sugar‑free version by replacing the sugar with a natural sweetener like stevia or monk fruit and using a plant‑based gelatin substitute.
What if I forget the marshmallow swirl?
Missing the swirl doesn’t ruin the brownies; you’ll still get a wonderfully fudgy chocolate base. If you find yourself short on time or ingredients, simply bake the brownies as directed and top them with a spoonful of marshmallow or a drizzle of caramel after cooling. The texture will be slightly different, but the flavor profile remains delicious and crowd‑pleasing.
How can I make these brownies extra fudgy?
To get an even more fudgy center, reduce the flour by 1/4 cup and add an extra tablespoon of melted butter. Also, replace half the oil with melted coconut oil for extra richness. Keep the baking time short—just enough to set the top—so the brownies stay moist inside. Finally, add a few extra chocolate chips, or a drizzle of melted dark chocolate on top, which will further enhance the fudgy mouthfeel.
Can I add espresso powder to the batter?
Absolutely! Adding 1–2 teaspoons of espresso powder intensifies the chocolate flavor and brings a subtle coffee undertone that pairs beautifully with the marshmallow. Mix the espresso powder with the dry ingredients before folding it in, and you’ll get a richer, more complex brownie that’s perfect for coffee lovers and adds an extra depth that’s hard to resist.
Are there any health benefits to marshmallow brownies?
While marshmallow brownies are indulgent, the cocoa powder provides antioxidants and the chocolate chips add a small amount of iron. However, the high sugar content means they should be enjoyed in moderation. For a lighter option, reduce the sugar by 1/4 cup, swap regular butter for avocado or coconut oil, and add a handful of dried fruit for natural sweetness.
How can I store leftovers in the freezer?
Wrap each brownie square individually in plastic wrap, then place them in a freezer‑safe zip‑top bag. Freeze for up to three months. When you’re ready to eat, let them thaw at room temperature for about 10 minutes, then warm them in a preheated oven at 300°F for 5 minutes or microwave for 20–30 seconds to restore warmth. This keeps the brownies chewy and the marshmallow soft.
Share Your Version!
If you love these marshmallow brownies as much as I do, leave a star rating and comment below—your feedback fuels my kitchen adventures. Snap a photo of your brownies, share it on Instagram or Pinterest, and tag @cookingwithemi so I can see how you’ve made them your own. One question I’m curious about: what unique ingredient or technique have you added to make your marshmallow brownies even more special?
From my NYC kitchen to yours — I hope this recipe brings as much warmth to your table as it does to mine. — emy 🧡
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Marshmallow Brownies
Description
These marshmallow brownies are super fudgy chocolate brownie with chocolate chips. It has marshmallow fluff swirled on top.
Ingredients
- 2 cups White granulated sugar
- 3 Large eggs
- 1 Egg yplk
- 1/2 cup Unsalted butter (melted)
- 2 tsp Pure vanilla extract
- 1/2 cup Oil (canola or vegetable)
- 3/4 cup All-purpose flour
- 1 cup Unsweetened cocoa powder (Use dutch process cocoa powder)
- 1 1/2 TBSP Cornstarch
- 1/2 tsp Salt
- 1 cup Semi-sweet chocolate chips
- 1 cup Marshmallow creme
Instructions
- Preheat the oven to 325°F. Spray a 9X9-inch baking pan with baking nonstick spray. Line the bottom and 2 sides of the pan with parchment paper and spray again.
- In a medium bowl, sift the flour, cocoa powder, and cornstarch together. Add in the salt and set aside.
- Using a mixer with a whisk attachment, beat the sugar, eggs, and egg yolk on high speed for 5 minutes. It will become pale in color. While that mixes, melt the butter in the microwave and let it cool.
- Add the oil, melted butter, and vanilla and mix on low until combined. Add in the dry ingredients and mix on low until just combined. Pour in the chocolate chips and use a rubber spatula to fold it in.
- Pour the brownie batter into the pan. Melt the marshmallow fluff in the microwave for 20-30 seconds and mix. Use a 1 teaspoon to dollop the marshmallow fluff on top of the brownie batter. Use a butter knife to very light swirl the marshmallow fluff.
- Bake for 45-55 minutes. It is done baking when you stick in a toothpick, and it is slightly wet. If a lot of batter comes out, then bake for another 5 minutes.
- Cool on a cooling rack completely before cutting into them and serving.
