If you have a sweet tooth and a fondness for nostalgic campfire treats, you are going to adore this S’mores Brownies Recipe. Imagine the rich, fudgy texture of homemade brownies layered with a crunchy graham cracker crust and topped with fluffy marshmallow cream toasted to perfection. This delightful twist on the classic s’mores dessert brings all your favorite flavors into one irresistible bite that’s perfect for parties, family gatherings, or just a cozy night in. Whether you’re a seasoned baker or just getting started, this recipe promises layers of chocolatey, gooey goodness that will keep you coming back for more.

Ingredients You’ll Need

Inside a white bowl, there is a thick dark brown batter with a rough texture and little lumps scattered throughout. A bright red spatula is partially dipped in the batter on the right side, coated with the same dark mixture. Around the edges of the bowl, streaks of batter cling to the inner sides. The bowl sits on a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

Gathering your ingredients is key to making these decadent s’mores brownies, and what’s great is that each one plays a special role in creating that perfect balance of texture, flavor, and visual appeal. From the buttery graham cracker crust to the luscious marshmallow topping, every element works together like a flavor symphony.

  • 2½ cups graham cracker crumbs: For that essential crispy, slightly sweet base that brings the s’mores vibe to life.
  • 16 tablespoons salted butter (melted): Adds richness to the crust and helps bind everything together.
  • ⅓ cup granulated sugar: Enhances the sweetness in the crust without overpowering.
  • ¼ teaspoon salt: Balances the sweetness and deepens flavor.
  • 1 cup salted butter: Creates a beautifully moist and fudgy brownie base.
  • 2½ cups granulated sugar: Sweetens the brownies perfectly while providing structure.
  • 2 tablespoons canola oil: Adds moisture and helps with the brownie’s fudgy texture.
  • 1 tablespoon vanilla extract: Infuses warmth and depth of flavor.
  • 5 large eggs: Binds ingredients while contributing to a tender crumb.
  • 1 cup all-purpose flour: The backbone that holds the brownies together.
  • ¾ cup + 1 tablespoon unsweetened cocoa powder: Delivers that intense chocolate punch.
  • 2 tablespoons milk powder: Adds creaminess and intensifies the chocolate notes.
  • ¾ teaspoon salt: Balances the sweetness and enhances the chocolate flavor.
  • 8 ounces chocolate bar: Chunks folded into the batter for melty chocolate pockets.
  • 2 envelopes unflavored gelatin: Essential for whipping up the marshmallow topping to a fluffy perfection.
  • ⅔ cup water: Used to bloom the gelatin for the marshmallow layer.
  • 2 cups granulated sugar: Forms the base of the marshmallow syrup, adding that signature sweetness.
  • ½ cup water: Helps the sugar dissolve and cook evenly for the marshmallow.
  • ¼ teaspoon salt: Balances the marshmallow flavor.
  • ½ cup light corn syrup: Keeps the marshmallow smooth and prevents crystallization.
  • 1 tablespoon vanilla extract: Adds natural flavor to the marshmallow topping.

How to Make S’mores Brownies Recipe

Step 1: Prepare Your Pan and Crust

First things first, preheat your oven to 350°F and line a sturdy 9×13-inch metal cake pan with parchment paper, making sure some extends over the edges for an easy lift later on. Lightly coat the sides with nonstick spray or oil — this little trick will save you when the marshmallow topping tries to stick. Next, melt the butter for the crust and mix it with graham cracker crumbs, sugar, and salt until fully moistened. Press this mixture firmly and evenly into the pan, creating the crunchy base that sets the stage for the chocolate magic.

Step 2: Make the Brownie Batter

In a heavy-bottomed saucepan, melt your cup of salted butter and stir in the sugar until the mixture emulsifies and gets nice and smooth. Take a quick break and let it cool slightly — this ensures the eggs won’t scramble when added. Stir in the canola oil and vanilla extract, then beat in the eggs one by one, blending each well before the next. Now it’s time to sift together the flour, cocoa powder, milk powder, and salt, folding these gently into the wet ingredients just until no streaks remain. Lastly, fold in chunks of that chocolate bar for gooey pockets of chocolate that will melt delightfully during baking. Pour this luscious batter over the crust, smoothing the surface before popping the pan in the oven.

Step 3: Bake the Brownies

Bake the brownies for 28 to 33 minutes. The timing is important here; you want them set but still wonderfully fudgy inside. The edges will start to pull away slightly from the pan, a sign that they’re ready for the exciting marshmallow step.

Step 4: Whip Up the Marshmallow Topping

While your brownies bake, start preparing the marshmallow topping. Bloom the gelatin by whisking it with water in your mixer bowl — this softens it perfectly for whipping later. Meanwhile, in a saucepan, combine sugar, water, and salt, cooking the syrup carefully with a candy thermometer to precise temperatures that might remind you of a science experiment. Adding corn syrup keeps your marshmallow velvety. Pour the hot syrup slowly into the gelatin as the mixer runs on low, then crank up the speed for several minutes, allowing fluffy peaks of marshmallow cream to form. Stir in vanilla for that classic, cozy flavor.

Step 5: Assemble and Let Set

Spread the marshmallow topping evenly across your cooled brownies. It’s tempting to dive right in, but patience here rewards you wonderfully — allow them to rest for about 4 hours to set the marshmallow perfectly before slicing.

Step 6: Cutting and Toasting

Use a sharp chef’s knife warmed under hot water and lightly coated with oil to cut your brownies cleanly without sticking. Slice carefully and separate the pieces slightly on your tray so when you use a kitchen torch to toast the marshmallow tops, they caramelize beautifully without sticking together, adding the signature golden crunch of real campfire s’mores.

How to Serve S’mores Brownies Recipe

The image shows a white tray with a blue rim holding several square s'mores bars, each with three layers: a golden brown cracker base, a dark chocolate middle, and a thick white toasted marshmallow topping with golden spots. One bar is cut open, showing all layers clearly. Around the bars are scattered pieces of graham crackers. In the bottom right inside the tray, there is a white bowl filled with stacked graham crackers and chunks of chocolate. The background is a white marbled texture with some rustic wooden pieces and a red and white checkered cloth partially under the tray. Two skewers with toasted marshmallows rest on the side photo taken with an iphone --ar 4:5 --v 7

Garnishes

A simple dusting of powdered sugar or a few graham cracker crumbs sprinkled over the top can add a lovely finishing touch and enhance the presentation. For extra indulgence, drizzle some melted chocolate or caramel for a rich contrast against the toasted marshmallow.

Side Dishes

This dessert pairs wonderfully with a scoop of vanilla bean ice cream or a dollop of freshly whipped cream to balance the sweetness and add a cool, creamy contrast. A cup of rich espresso or hot chocolate can complement the chocolate notes and complete a decadent dessert experience.

Creative Ways to Present

For parties, serve these S’mores Brownies Recipe bites on a rustic wooden board or in small cupcake liners for easy grab-and-go treats. You can also layer brownie squares into parfait glasses with layers of chocolate mousse or crushed graham crackers for a visually stunning, sophisticated take on the classic s’mores flavor profile.

Make Ahead and Storage

Storing Leftovers

Store leftover brownies in an airtight container at room temperature for up to 3 days to maintain the marshmallow’s soft texture. If you prefer them chilled, keep the container in the fridge for up to 5 days, but let them come to room temperature before serving for the best flavor.

Freezing

You can freeze these brownies by wrapping individual squares tightly in plastic wrap and aluminum foil to protect their delicate marshmallow topping. Freeze for up to 2 months. When ready, thaw overnight in the fridge before warming slightly and toasting the marshmallow tops again for that fresh-out-of-the-oven experience.

Reheating

To enjoy warm brownies without melting the marshmallow completely, briefly microwave individual portions for about 10 seconds or reheat in the oven at low heat. Then, use a kitchen torch to refresh the toasted marshmallow finish, making your brownies taste just as irresistible as when first baked.

FAQs

Can I use a different type of chocolate for the brownies?

Absolutely! Milk, semi-sweet, or dark chocolate bars all work wonderfully in this recipe. Experiment with your favorite to find the perfect balance of sweetness and bitterness that suits your taste buds.

Is there a substitute for gelatin in the marshmallow topping?

Gelatin is key to achieving the classic marshmallow texture here, but if you need a vegetarian option, you can try agar-agar powder. Keep in mind, the texture might differ slightly, so some experimentation may be needed.

Can these brownies be made gluten-free?

Yes, by swapping the all-purpose flour with a gluten-free flour blend that measures cup-for-cup, you can enjoy these treats gluten-free. Just ensure your other ingredients, like the graham cracker crumbs, are also gluten-free.

How do I get the marshmallow topping to be perfectly fluffy?

The secret is whipping the marshmallow mixture at progressively higher speeds for several minutes until it becomes thick, glossy, and falls slowly from the whisk. Patience here is essential to get that beautiful, cloud-like texture.

Can I prepare the marshmallow topping ahead of time?

Yes, you can make the marshmallow topping a few hours ahead, but for the best texture and ease when spreading, it’s ideal to prepare it fresh right before adding to the brownies.

Final Thoughts

This S’mores Brownies Recipe is an absolute winner that brings the warmth of campfire memories into your kitchen in the form of fudgy, gooey, and delightfully toasted chocolate goodness. Once you try it, you’ll understand why it’s become one of my all-time favorite desserts to share with friends and family. I can’t wait for you to dive in and enjoy every luscious bite!

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S'mores Brownies Recipe

S’mores Brownies Recipe

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4.2 from 23 reviews

These decadent S’mores Brownies combine a buttery graham cracker crust with rich, fudgy chocolate brownies topped with a fluffy homemade marshmallow layer. Perfectly toasted for that classic campfire flavor, this dessert is a crowd-pleaser that takes traditional s’mores to an indulgent new level.

  • Total Time: 2 hours 20 minutes
  • Yield: 24 servings

Ingredients

Crust

  • 2½ cups graham cracker crumbs (290g)
  • 16 tablespoons salted butter (227g), melted
  • ⅓ cup granulated sugar (70g)
  • ¼ teaspoon salt

Brownies

  • 1 cup salted butter (227g)
  • 2½ cups granulated sugar (500g)
  • 2 tablespoons canola oil
  • 1 tablespoon vanilla extract
  • 5 large eggs
  • 1 cup all-purpose flour (130g)
  • ¾ cup + 1 tablespoon unsweetened cocoa powder (80g)
  • 2 tablespoons milk powder (10g)
  • ¾ teaspoon salt
  • 8 ounces chocolate bar (milk or dark chocolate)

Marshmallow Topping

  • 2 envelopes unflavored gelatin
  • ⅔ cup water (156ml) for gelatin blooming
  • 2 cups granulated sugar (400g)
  • ½ cup water (118ml)
  • ¼ teaspoon salt
  • ½ cup light corn syrup
  • 1 tablespoon vanilla extract

Instructions

  1. Prepare Pan: Preheat your oven to 350°F. Line a 9×13-inch metal cake pan with parchment paper, ensuring some parchment hangs over the edges to help lift the brownies later. You may need two sheets arranged in opposite directions for full coverage. Lightly coat the pan sides with nonstick spray or oil to prevent marshmallow sticking.
  2. Make Crust: In a medium bowl, melt 16 tablespoons of salted butter. Stir in graham cracker crumbs, granulated sugar, and salt until well combined. Press evenly into the prepared pan using your hands or the bottom of a glass to form a solid crust layer.
  3. Prepare Brownie Batter: Melt 1 cup salted butter over low heat in a heavy-bottomed saucepan. Add 2½ cups granulated sugar and stir until smooth and emulsified, with no butter separation. Remove from heat and cool for 5 minutes, stirring frequently. Stir in canola oil and vanilla extract until fully combined without separation.
  4. Add Eggs: Beat in eggs one at a time using a spatula or fork, mixing until fully incorporated after each.
  5. Add Dry Ingredients: Sift flour, cocoa powder, milk powder, and salt into the butter mixture. Gently fold in with a spatula until just combined and no dry streaks remain.
  6. Fold in Chocolate: Stir the 8 ounces of chopped chocolate bar into the batter until evenly distributed.
  7. Bake Brownies: Pour batter over the crust in the pan and bake for 28 to 33 minutes, until a toothpick inserted comes out with a few moist crumbs but not wet batter.
  8. Bloom Gelatin: While brownies bake, whisk gelatin and ⅔ cup water in a stand mixer bowl and let sit to bloom.
  9. Make Sugar Syrup: In a medium saucepan, combine sugar, ½ cup water, and salt. Heat over medium-high to a simmer, stirring occasionally. Attach a candy thermometer.
  10. Cook Syrup: Cook until the temperature reaches 225°F (about 5-6 minutes). Immediately stir in light corn syrup, bringing the temperature back up quickly. Continue cooking, stirring constantly, until reaching 238°F (2-3 minutes). Remove from heat immediately.
  11. Combine Syrup and Gelatin: Turn your stand mixer to low speed (stir setting) and slowly pour the hot sugar syrup down the sides of the bowl into the gelatin mixture. It may smell unpleasant but will yield a delicious marshmallow flavor.
  12. Whip Marshmallow: Increase speed to medium for 1-2 minutes, then high speed and continue whipping until thick, glossy, and fluffy (about 6-7 minutes). Add vanilla extract and whip for an additional 30 seconds.
  13. Spread Topping: Once brownies are baked and slightly cooled, spread marshmallow cream evenly over the top.
  14. Set and Chill: Allow the marshmallow layer to set by letting the brownies rest for 4 hours at room temperature.
  15. Cut Brownies: Use a large chef’s knife heated under hot water, dried, and lightly coated with nonstick spray or oil. Slice the brownies carefully, reheating and oiling the knife between cuts to cleanly slice through the marshmallow without sticking.
  16. Toast Marshmallow: Slightly pull brownie pieces apart so marshmallow edges don’t touch, then use a kitchen torch to toast the marshmallow topping until golden brown.

Notes

  • Press the crust firmly to create an even base that supports the brownie layer well.
  • Cooling the butter and sugar mixture before adding eggs prevents scrambling.
  • Be careful not to overbake the brownies; they should be fudgy inside.
  • The marshmallow topping smells odd while mixing due to chemical reactions but tastes amazing.
  • Use a kitchen torch for the best toasted marshmallow effect; toasting in the oven won’t yield the same texture.
  • Heating and oiling the knife between cuts ensures clean slices and prevents sticking.
  • Allow the marshmallow topping to fully set before slicing for best texture.
  • Author: ELLA
  • Prep Time: 30 minutes
  • Cook Time: 33 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

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