S’mores Brownies bring together the best of two classic desserts: rich, fudgy brownies and the gooey, crunchy goodness of s’mores. With a buttery graham cracker crust, a decadent brownie layer, and a golden, toasted marshmallow topping, these brownies are the ultimate indulgence. Whether you’re craving campfire nostalgia or a fun twist on brownies, this dessert is sure to be a hit!
Why You’ll Love This Recipe
- The Best of Both Worlds – Combines s’mores and brownies in one irresistible treat.
- Decadent and Gooey – A fudgy brownie base with melty chocolate and toasted marshmallows.
- Crunchy Graham Cracker Crust – Adds a delicious contrast to the soft layers.
- Easy to Make – No need for a campfire to enjoy s’mores flavors!
- Perfect for Any Occasion – Great for summer gatherings, holidays, or whenever you need a sweet treat.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
For the Graham Cracker Crust:
- Graham cracker crumbs
- Unsalted butter, melted
- Granulated sugar
For the Brownies:
- Unsalted butter
- Granulated sugar
- Brown sugar
- Eggs
- Vanilla extract
- All-purpose flour
- Unsweetened cocoa powder
- Baking powder
- Salt
- Chocolate chips (optional)
For the Topping:
- Mini marshmallows
- Chocolate bars (broken into pieces)
Directions

Making the Crust:
- Preheat Oven – Set your oven to 350°F (175°C) and line a baking dish with parchment paper.
- Mix Crust Ingredients – In a bowl, combine graham cracker crumbs, melted butter, and granulated sugar. Stir until evenly coated.
- Press into Pan – Firmly press the mixture into the bottom of the prepared pan to create an even crust.
- Bake the Crust – Bake for 8-10 minutes until lightly golden. Set aside.
Making the Brownies:
- Melt Butter – In a saucepan or microwave, melt the butter and let it cool slightly.
- Mix Wet Ingredients – In a large bowl, whisk together melted butter, granulated sugar, brown sugar, eggs, and vanilla extract.
- Combine Dry Ingredients – In a separate bowl, whisk together flour, cocoa powder, baking powder, and salt.
- Mix Everything Together – Gradually add dry ingredients to wet ingredients, stirring until just combined. Fold in chocolate chips if using.
- Bake – Pour the brownie batter over the graham cracker crust and bake for 25-30 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
Adding the S’mores Topping:
- Add Marshmallows and Chocolate – Sprinkle mini marshmallows evenly over the brownies, along with broken pieces of chocolate bars.
- Broil to Toast Marshmallows – Turn the oven to broil and place the pan back in for 1-2 minutes, watching closely until the marshmallows turn golden brown.
- Cool and Serve – Let the brownies cool slightly before cutting into squares.
Servings and Timing
- Servings: Makes about 12-16 brownies
- Prep Time: 15 minutes
- Cook Time: 35-40 minutes
- Cooling Time: 15 minutes
- Total Time: About 1 hour 10 minutes
Variations
- Peanut Butter Twist – Swirl peanut butter into the brownie batter before baking.
- Extra Chocolatey – Add extra chocolate chunks for a richer flavor.
- Cookie Crust – Use crushed Oreos or chocolate chip cookies instead of graham crackers.
- Gluten-Free Option – Use gluten-free graham crackers and a 1:1 gluten-free flour blend.
- Salted Caramel – Drizzle caramel sauce over the marshmallow layer for added sweetness.
Storage/Reheating
- Room Temperature: Store in an airtight container for up to 2 days.
- Refrigeration: Keep in the fridge for up to 5 days.
- Freezing: Freeze for up to 3 months (wrap tightly in plastic wrap). Thaw before serving.
- Reheating: Warm in the microwave for 10 seconds to restore the gooey texture.
FAQs
How do I keep the marshmallows from burning?
Broil them for just 1-2 minutes, watching closely to prevent burning.
Can I use large marshmallows instead of mini ones?
Yes, but cut them into smaller pieces for even distribution.
Can I use a boxed brownie mix?
Absolutely! Just prepare the mix as directed and follow the rest of the recipe.
What’s the best way to cut these brownies?
Use a sharp knife and grease it with cooking spray for clean slices.
Can I make these ahead of time?
Yes! You can bake them a day in advance and store them in an airtight container.
How do I make them extra fudgy?
Use more butter and sugar, and don’t overbake.
Can I skip the graham cracker crust?
Yes, but it adds a classic s’mores crunch.
Should I toast the marshmallows in the oven or with a torch?
Either works! A kitchen torch gives more control over browning.
Can I add nuts?
Yes! Chopped pecans or walnuts would add great texture.
Are these best served warm or cold?
They taste amazing both ways, but slightly warm makes them extra gooey.
Conclusion
S’mores Brownies are the ultimate combination of chocolatey, gooey, and crunchy goodness. With a buttery graham cracker crust, fudgy brownies, and toasted marshmallows, they bring the nostalgic flavors of a campfire treat right to your kitchen. Whether for a party, family gathering, or just a sweet craving, these brownies are sure to be a hit. Try them today and enjoy every gooey bite!
PrintS’mores Brownies
These S’mores Brownies combine fudgy chocolate brownies with crunchy graham crackers and gooey toasted marshmallows. A campfire classic turned into the ultimate dessert!
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 16 brownies 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
For the Brownie Base
- 1 cup (2 sticks) unsalted butter, melted
- 1 ¼ cups granulated sugar
- ¾ cup light brown sugar, packed
- 3 large eggs
- 2 teaspoons vanilla extract
- 1 cup all-purpose flour
- ¾ cup unsweetened cocoa powder
- ½ teaspoon salt
- ½ teaspoon baking powder
- ½ cup chocolate chips (optional, for extra richness)
For the S’mores Layers
- 8–10 graham crackers, broken into large pieces
- 1 ½ cups mini marshmallows
- 4 oz milk chocolate, chopped (or ½ cup chocolate chips)
Instructions
Make the Brownies
- Preheat your oven to 350°F (175°C). Line a 9×13-inch baking dish with parchment paper or grease it lightly.
- In a large bowl, whisk together the melted butter, granulated sugar, and brown sugar until smooth.
- Add the eggs and vanilla extract, whisking until fully combined.
- In a separate bowl, whisk together the flour, cocoa powder, salt, and baking powder.
- Gradually mix the dry ingredients into the wet ingredients until just combined. Fold in the chocolate chips, if using.
Assemble the S’mores Brownies
- Arrange the graham cracker pieces in a single layer on the bottom of the baking dish.
- Pour the brownie batter over the graham crackers and spread it evenly.
- Bake for 25–30 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
Add the S’mores Topping
- Remove the brownies from the oven and immediately sprinkle the mini marshmallows and chopped chocolate over the top.
- Turn the oven to broil and place the brownies back in for 1–2 minutes, or until the marshmallows are golden and slightly toasted. Watch closely to prevent burning!
- Let the brownies cool for about 15 minutes before slicing and serving.
Serving & Storage
- Enjoy warm for a gooey texture or let them cool completely for cleaner slices.
- Store leftovers in an airtight container at room temperature for up to 3 days or refrigerate for up to 1 week.
Notes
For extra crunch, sprinkle crushed graham crackers on top before serving.- If you don’t have a broiler, use a kitchen torch to toast the marshmallows.
- Swap milk chocolate for dark chocolate if you prefer a richer flavor.