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Home » Recipe Index » S’mores Brownies

S’mores Brownies

April 19, 2025 by Lidia

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Get ready to fall in love with the ultimate dessert mash-up—S’mores Brownies! These indulgent treats combine the best parts of s’mores and fudgy brownies into one irresistible bar. A buttery graham cracker crust, rich chocolate brownie center, and gooey toasted marshmallow topping make every bite feel like a campfire classic—no fire pit required.

Craving more nostalgic treats with a twist? Subscribe now for easy recipes that bring back sweet memories in every bite.

S'mores Brownies
S’mores Brownies

Why You’ll Love This Recipe
Best of Both Worlds – Fudgy brownies meet toasted marshmallow magic
Crowd-Pleaser – Perfect for parties, potlucks, and family desserts
Easy to Make – Simple layers, big payoff
Ooey-Gooey Texture – Crisp crust, soft brownie, and melted marshmallows
Make-Ahead Friendly – Bake ahead and toast before serving

Ingredients You’ll Need

For the Graham Cracker Crust:

  • 1½ cups graham cracker crumbs (about 10 full sheets)
  • ¼ cup granulated sugar
  • 6 tbsp unsalted butter, melted

For the Brownie Layer:

  • ½ cup (1 stick) unsalted butter
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 tsp vanilla extract
  • ⅓ cup unsweetened cocoa powder
  • ½ cup all-purpose flour
  • ¼ tsp salt
  • ¼ tsp baking powder

For the Topping:

  • 2 cups mini marshmallows
  • Optional: ½ cup semi-sweet chocolate chips or chopped chocolate for extra indulgence

Tools You’ll Need

  • 8×8 or 9×9 inch baking pan
  • Mixing bowls
  • Whisk and spatula
  • Measuring cups and spoons
  • Parchment paper or nonstick spray
  • Broiler or kitchen torch for toasting marshmallows

Step-by-Step Instructions

Step 1: Prepare the Pan and Oven
Preheat your oven to 350°F (175°C)
Line a baking pan with parchment paper or grease lightly

Step 2: Make the Crust
In a bowl, mix graham cracker crumbs, sugar, and melted butter until combined
Press mixture firmly into the bottom of the pan to form an even crust
Bake for 8 minutes, then set aside

Step 3: Make the Brownie Batter
In a medium saucepan, melt the butter over low heat
Remove from heat and whisk in sugar, eggs, and vanilla until smooth
Add cocoa powder, flour, salt, and baking powder
Stir until just combined—don’t overmix

Step 4: Layer and Bake
Pour brownie batter over the baked graham cracker crust and smooth out evenly
Bake for 22–25 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs
Remove from oven and let cool for 10–15 minutes

Step 5: Add the Marshmallow Topping
Sprinkle marshmallows evenly over the cooled brownie layer
Place under the broiler for 1–2 minutes, watching closely, until marshmallows are golden brown and toasted
Alternatively, use a kitchen torch for precise toasting

Step 6: Cool, Slice, and Serve
Allow brownies to cool completely before slicing for clean edges
Use a knife sprayed lightly with cooking spray to cut through the sticky topping

Tips for Perfect S’mores Brownies
Line the Pan – Parchment makes removal and cleanup easy
Watch the Broiler – Marshmallows toast quickly; don’t walk away
Use a Torch – Great for a campfire look and extra control
Chill Before Slicing – For cleaner cuts and neater squares
Double the Recipe – These disappear fast, especially at parties

Serving Suggestions
Summer Cookouts – A sweet ending that feels just like a campfire
Birthday Parties – A fun and unexpected twist on brownies
Potlucks – Travels well and easy to serve
With Ice Cream – Top with a scoop of vanilla or chocolate for next-level dessert
Warm with Milk – Classic combo with a nostalgic vibe

How to Store & Reheat

Storing:
Room Temp: Store in an airtight container for up to 3 days
Refrigerate: Keeps for up to 5 days in the fridge
Freeze: Freeze uncut bars for up to 2 months. Thaw and toast marshmallows before serving

Reheating:
Oven: Reheat at 300°F for 5–7 minutes to bring back gooey texture
Microwave: Heat individual bars for 10–15 seconds

Frequently Asked Questions

  1. Can I use boxed brownie mix?
    Yes! Prepare your favorite boxed mix and pour it over the crust for a shortcut
  2. What if I don’t have mini marshmallows?
    Use large marshmallows cut in half or marshmallow fluff spread thinly
  3. Can I add chocolate chips to the brownies?
    Absolutely! Stir in ½ cup for extra chocolatey richness
  4. How do I make this gluten-free?
    Use gluten-free graham crackers and a gluten-free brownie base
  5. Can I toast the marshmallows without a broiler?
    Yes, a kitchen torch works beautifully and gives that toasted look

Final Thoughts
S’mores Brownies are the ultimate dessert for chocolate lovers and s’mores fans alike. With every bite delivering a buttery graham cracker crunch, rich chocolate brownie, and melty marshmallow top, they’re bound to become your new favorite treat. Whether you’re sharing at a picnic or enjoying by yourself with a tall glass of milk, these brownies bring the magic of summer all year long.

Bake a batch and let the gooey goodness speak for itself. And don’t forget to tag your sweet creations—we love seeing what you bake up!

Preparation Time: 15 minutes
Cooking Time: 25 minutes
Cuisine: American

Nutritional Information (Per Serving):
Calories: 310 | Protein: 3g | Carbohydrates: 38g | Fat: 16g | Fiber: 1g | Sodium: 140mg

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S'mores Brownies

S’mores Brownies

5 Stars 4 Stars 3 Stars 2 Stars 1 Star No reviews
  • Author: Lidia
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Cuisine: American
Print Recipe
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Description

Get ready to fall in love with the ultimate dessert mash-up—S’mores Brownies! These indulgent treats combine the best parts of s’mores and fudgy brownies into one irresistible bar. A buttery graham cracker crust, rich chocolate brownie center, and gooey toasted marshmallow topping make every bite feel like a campfire classic—no fire pit required.

Craving more nostalgic treats with a twist? Subscribe now for easy recipes that bring back sweet memories in every bite.


Ingredients

Scale

For the Graham Cracker Crust:

  • 1½ cups graham cracker crumbs (about 10 full sheets)

  • ¼ cup granulated sugar

  • 6 tbsp unsalted butter, melted

For the Brownie Layer:

  • ½ cup (1 stick) unsalted butter

  • 1 cup granulated sugar

  • 2 large eggs

  • 1 tsp vanilla extract

  • ⅓ cup unsweetened cocoa powder

  • ½ cup all-purpose flour

  • ¼ tsp salt

  • ¼ tsp baking powder

For the Topping:

  • 2 cups mini marshmallows

  • Optional: ½ cup semi-sweet chocolate chips or chopped chocolate for extra indulgence


Instructions

Step 1: Prepare the Pan and Oven
Preheat your oven to 350°F (175°C)
Line a baking pan with parchment paper or grease lightly

Step 2: Make the Crust
In a bowl, mix graham cracker crumbs, sugar, and melted butter until combined
Press mixture firmly into the bottom of the pan to form an even crust
Bake for 8 minutes, then set aside

Step 3: Make the Brownie Batter
In a medium saucepan, melt the butter over low heat
Remove from heat and whisk in sugar, eggs, and vanilla until smooth
Add cocoa powder, flour, salt, and baking powder
Stir until just combined—don’t overmix

Step 4: Layer and Bake
Pour brownie batter over the baked graham cracker crust and smooth out evenly
Bake for 22–25 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs
Remove from oven and let cool for 10–15 minutes

Step 5: Add the Marshmallow Topping
Sprinkle marshmallows evenly over the cooled brownie layer
Place under the broiler for 1–2 minutes, watching closely, until marshmallows are golden brown and toasted
Alternatively, use a kitchen torch for precise toasting

Step 6: Cool, Slice, and Serve
Allow brownies to cool completely before slicing for clean edges
Use a knife sprayed lightly with cooking spray to cut through the sticky topping


Notes

Line the Pan – Parchment makes removal and cleanup easy

Watch the Broiler – Marshmallows toast quickly; don’t walk away

Use a Torch – Great for a campfire look and extra control

Chill Before Slicing – For cleaner cuts and neater squares

Double the Recipe – These disappear fast, especially at parties

Did you make this recipe?

Share a photo and tag us — we can’t wait to see what you’ve made!

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