What happens when you take the classic flavors of s’mores—toasty marshmallows, rich chocolate, and crunchy graham crackers—and combine them with fudgy, decadent brownies? You get s’mores brownies, the ultimate dessert that’s gooey, chocolatey, and packed with nostalgia! Whether you’re making them for a summer gathering, a cozy fall treat, or just satisfying a sweet craving, these brownies are guaranteed to be a crowd-pleaser.
In this guide, we’ll show you how to make the best s’mores brownies from scratch, along with shortcuts using brownie mix, creative variations, and expert baking tips for perfectly gooey layers every time. Let’s get baking!
Why You’ll Love S’mores Brownies
✔ Three irresistible layers – A crunchy graham cracker base, fudgy brownie center, and gooey toasted marshmallow topping.
✔ Easier than making s’mores – No campfire required! Enjoy s’mores flavor in every bite.
✔ Customizable – Use your favorite brownie recipe, add extra chocolate, or swap in flavored marshmallows.
✔ Perfect for any occasion – Great for BBQs, parties, bake sales, or a comforting homemade dessert.
Ingredients for S’mores Brownies
This recipe is made up of three delicious layers: a graham cracker crust, a rich brownie filling, and a toasted marshmallow topping.
The Graham Cracker Crust:
- 1 1/2 cups graham cracker crumbs (about 10 crackers)
- 1/4 cup granulated sugar
- 6 tablespoons unsalted butter, melted
The Brownie Layer (Homemade or Box Mix):
- 1/2 cup unsalted butter, melted
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/3 cup unsweetened cocoa powder
- 1/2 cup all-purpose flour
- 1/4 teaspoon salt
- 1/4 teaspoon baking powder
- 1/2 cup chocolate chips (optional, for extra gooeyness)
For the Marshmallow Topping:
- 2 cups mini marshmallows (or large marshmallows cut in half)
- 1/2 cup chopped chocolate or chocolate chips (for drizzling, optional)
- Extra graham cracker crumbs for garnish
How to Make S’mores Brownies
1: Make the Graham Cracker Crust
- Preheat your oven to 350°F (175°C) and line an 8×8-inch baking pan with parchment paper.
- In a bowl, mix graham cracker crumbs, sugar, and melted butter until the crumbs are evenly coated.
- Press the mixture firmly into the bottom of the prepared pan to form an even crust.
- Bake for 8-10 minutes, until lightly golden and set.
2: Prepare the Brownie Layer
- In a mixing bowl, whisk together melted butter and sugar until smooth.
- Add the eggs and vanilla extract, whisking until fully combined.
- Sift in the cocoa powder, flour, salt, and baking powder, then stir until just combined (do not overmix).
- Fold in the chocolate chips, if using.
- Pour the brownie batter over the graham cracker crust and spread evenly.
3: Bake the Brownies
- Bake at 350°F (175°C) for 20-25 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs.
- Remove from the oven and let cool slightly for 5 minutes.
4: Add the Marshmallow Topping
- Sprinkle mini marshmallows evenly over the warm brownies.
- Return the pan to the oven and bake for 3-5 more minutes, until the marshmallows are puffed and lightly golden.
- For an extra toasted effect, switch the oven to broil for 1-2 minutes—watch carefully to prevent burning!
5: Garnish & Serve
- Sprinkle the top with chopped chocolate or drizzle melted chocolate over the toasted marshmallows.
- Garnish with extra graham cracker crumbs for that classic s’mores look.
- Let the brownies cool for at least 15 minutes before slicing—this helps the layers set.
- Slice, serve, and enjoy the gooey, chocolatey goodness!
Tips for the Best S’mores Brownies
Use parchment paper – Makes removing the brownies much easier.
Don’t overbake – The brownies should be set but still fudgy inside.
Let them cool before slicing – This helps keep the layers intact.
Torch the marshmallows – If you want a campfire-style finish, use a kitchen torch instead of broiling.
Make them extra gooey – Add a layer of melted chocolate between the brownies and marshmallows.
Shortcut: S’mores Brownies with Boxed Brownie Mix
Want to save time? You can use a box of brownie mix instead of making the brownies from scratch!
How to do it:
- Prepare the graham cracker crust as directed.
- Mix and bake the boxed brownie batter according to package instructions.
- Follow the same marshmallow topping instructions.
This shortcut cuts prep time in half while still giving you delicious s’mores brownies!
Creative Variations
1. Peanut Butter S’mores Brownies
- Swirl peanut butter into the brownie batter before baking.
2. Caramel Drizzle Brownies
- Drizzle warm caramel sauce over the toasted marshmallows for an extra gooey treat.
3. Nutella S’mores Brownies
- Spread Nutella over the baked brownie layer before adding marshmallows.
4. Oreo S’mores Brownies
- Mix crushed Oreo cookies into the brownie batter for extra crunch.
5. Gluten-Free S’mores Brownies
- Use gluten-free graham crackers and brownie mix to make this treat gluten-free!
How to Store & Reheat S’mores Brownies
Storing Leftovers:
- Store brownies in an airtight container at room temperature for 2-3 days.
- For longer storage, keep them in the fridge for up to 5 days.
Reheating for Maximum Gooeyness:
- Microwave for 10-15 seconds to soften the marshmallow topping.
- For best results, warm them in the oven at 300°F for 5 minutes.
Frequently Asked Questions
Can I make s’mores brownies ahead of time?
Yes! Bake the brownies and add marshmallows before serving. Reheat briefly to toast the marshmallows.
Can I use large marshmallows instead of mini marshmallows?
Absolutely! Just cut them in half for even melting.
Can I make these in a 9×13 pan?
Yes, just double the recipe for a larger batch.
Nutritional Information (Per Brownie, Approximate)
- Calories: 280
- Carbohydrates: 38g
- Protein: 3g
- Fat: 14g
- Sugar: 24g
Final Thoughts: A Must-Try Dessert!
S’mores brownies bring together the best of both worlds—the nostalgia of campfire s’mores and the richness of fudgy brownies. They’re easy to make, fun to customize, and guaranteed to impress. Whether you’re making them for a holiday dessert, bake sale, or weekend treat, these brownies will have everyone coming back for more!
🔥 Try this recipe and let us know—what’s your favorite way to enjoy s’mores brownies? 🔥