Prepare to tantalize your taste buds with an irresistible classic: S’mores Brownies! This recipe elevates the beloved campfire treat into a decadent, gooey dessert that’s surprisingly easy to make right in your own kitchen. Imagine rich, fudgy brownies topped with toasted marshmallows, crunchy graham cracker pieces, and melting chocolate – a symphony of textures and flavors in every bite. Whether you’re craving a taste of summer nostalgia or simply looking for a crowd-pleasing dessert that comes together in a flash, these S’mores Brownies are the perfect answer. They’re an ideal choice for potlucks, family gatherings, or just a cozy night in, proving that you don’t need a bonfire to enjoy the magic of s’mores.

Decadent S’mores Brownies: Your Go-To Easy Recipe
This S’mores Brownie recipe is a delightful testament to how simple ingredients can create extraordinary flavor. It ingeniously combines the convenience of a boxed brownie mix with the iconic trio of marshmallows, chocolate, and graham crackers. The result? A dessert bar that tastes completely homemade, bursting with that beloved s’mores experience. Forget the elaborate preparations; these bars offer maximum impact with minimal effort, making them a fantastic choice for busy bakers or anyone new to the kitchen.
A video showcasing the S’mores Brownies recipe can be found here.
One of the best features of this recipe is its incredible simplicity, primarily due to the use of a box brownie mix. This humble shortcut means less measuring, fewer ingredients to gather, and a guaranteed delicious brownie base every time. Seriously, once you add the toasted marshmallows, crunchy graham crackers, and melted chocolate, no one will ever guess these weren’t made entirely from scratch. The magic truly lies in the layering, transforming a simple brownie into a gourmet dessert that’s perfect for any occasion.
It’s incredible to reflect on how far this recipe has come. We first shared this S’mores Brownies delight way back in 2011, making it one of the very first recipes ever featured on our blog. Nine years later, and it’s still a fan favorite, a testament to its timeless appeal and irresistible charm. It’s a wonderful reminder of the journey we’ve been on, and how some recipes just stick with you through the years, becoming cherished traditions.
These brownies offer the ultimate comfort food experience, especially when it’s too chilly outside for a traditional campfire. Each square delivers a harmonious blend of warm, soft brownies, perfectly gooey and slightly toasted mini marshmallows, chunks of rich chocolate, and crispy graham cracker pieces. It’s like bringing the cozy ambiance of a campfire right into your home, without the need to battle the elements. They’re perfect for satisfying those s’mores cravings any time of year.
For even more creative ways to enjoy s’mores, you might be interested in checking out my husband John’s insightful post on fun ways to make s’mores in the oven and while camping on his site. It offers fantastic ideas for both indoor and outdoor s’mores adventures!
Ingredients for Your S’mores Brownies
- One box (18.3 oz) brownie mix (plus ingredients called for on box, typically vegetable oil, water, and eggs)
- Miniature marshmallows
- Graham crackers or Honey Graham Cereal
- Milk chocolate candy bars or chocolate chips
Parchment Paper is an absolute game-changer for this recipe. Using it will make both cleanup and serving incredibly simple. You can just lift the entire slab of brownies out of the pan, cut them on a separate surface, and enjoy!
Essential Tips for Perfect S’mores Brownies
- **Timing is Everything for Marshmallows:** This is arguably the most crucial tip! Do NOT add the marshmallows until *after* the brownies have finished baking and are removed from the oven. If you add them during the initial baking time, they will completely melt and disappear into the brownie batter, resulting in a sticky mess rather than the desired golden, gooey s’mores topping. Wait until the brownies are cooked, then add the marshmallows and quickly broil for that perfect toasted finish.
- **Chocolate Choices:** While milk chocolate candy bars are traditional for s’mores, feel free to experiment! Semi-sweet chocolate chips or chopped dark chocolate bars can add a deeper, richer flavor that balances the sweetness of the marshmallows.
- **Graham Cracker Crunch:** Break your graham crackers into varying sizes – some smaller crumbs, some larger shards – to provide interesting textural contrasts. If you prefer a more uniform crunch, Honey Graham Cereal can be a fun and easy alternative.
- **Watch the Broiler Closely:** Marshmallows can go from perfectly golden to burnt in a matter of seconds under the broiler. Stay by the oven and watch them like a hawk! A gentle toast is what you’re aiming for, giving them that signature s’mores char without burning.
- **Cooling and Cutting:** While it’s tempting to dive right in, allowing the brownies to cool slightly will make them much easier to cut into neat squares. The marshmallows will firm up a bit, creating cleaner slices. However, they are truly best served warm, so don’t let them get completely cold!
- **Storage:** Store any leftover S’mores Brownies in an airtight container at room temperature for up to 3-4 days. For longer storage, they can be refrigerated, but bring them to room temperature or warm slightly before serving for the best texture.
Can I Use Homemade Brownies for This Recipe?
Absolutely! While we love the speed and convenience of a quality box mix, feel free to substitute your favorite scratch-made brownie recipe. The key is to ensure your brownies are baked and cooled slightly before adding the s’mores toppings. The method for adding the marshmallows, graham crackers, and chocolate will remain the same, regardless of whether your brownie base is from a box or from scratch. The beauty of this recipe is its adaptability!
More Easy Dessert Recipes to Love
If you’re a fan of simple, delicious desserts, here are a few more recipes you’ll adore:
2 Ingredient Pineapple Angel Food Cake
Lemon Butter Cookies
2-Ingredient Nutella Fudge
3-Ingredient Nutella Cookies

S’mores Brownies Recipe
This super easy S’mores Brownies recipe uses a box mix for convenience but tastes utterly homemade! A perfect balance of chocolate, marshmallow, and graham cracker goodness.
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10 minutes
30 minutes
40 minutes
16
servings
119
kcal
Tammilee Tips
Ingredients
-
1
18.3 oz
Box Brownie Mix
(plus ingredients called for on the box, typically water, vegetable oil, and eggs) -
2
Cups
Mini Marshmallows -
4
Graham Crackers
(broken into small pieces) -
2
Milk Chocolate Candy Bars
(broken into 1-inch squares, or use semi-sweet chocolate chips)
Metric
Instructions
- Preheat your oven to 350°F (325°F if using a dark or nonstick pan).
- Prepare the brownie mix according to the package directions. Pour the batter into your prepared baking pan and bake for the time specified on the box, or until a toothpick inserted into the center comes out with moist crumbs.Once baked, remove the pan from the oven. Immediately switch your oven setting to broil.
- Without delay, sprinkle the mini marshmallows and broken graham cracker pieces evenly over the warm brownies.
- Carefully place the pan under the broiler, about 4 to 5 inches from the heat source. Broil for 30 to 60 seconds, or until the marshmallows are beautifully golden brown and slightly puffy. It is crucial to watch them continuously, as marshmallows and graham crackers can brown very quickly!Remove from the broiler and immediately sprinkle the chocolate candy bar pieces (or chocolate chips) over the hot marshmallows, allowing them to melt slightly from the residual heat.
- Allow the S’mores Brownies to cool slightly before cutting and serving. This helps the topping set and makes for cleaner squares. Enjoy them warm for the ultimate gooey experience!
Kitchen Tools
- 9×13 Inch Baking Pan
- Parchment Paper
Nutrition
Calories from Fat 81
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This recipe was first shared back in July of 2011, and has been updated in March 2018 and March 2020 to bring you the best possible S’mores Brownie experience. We hope you love them as much as we do!
