S’mores Brownies: A Gooey, Decadent Dessert You’ll Crave All Year Long

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When you crave the nostalgic flavors of a classic campfire treat—toasty marshmallows, melty chocolate, and crunchy graham crackers—but want the convenience of an oven-baked dessert, there’s only one answer: S’mores Brownies. These brownies are a rich, gooey twist on the traditional s’more, layered with buttery graham cracker crust, deep chocolate brownie, and golden marshmallow topping.

Whether it’s summer, fall, or the dead of winter, S’mores Brownies bring campfire vibes straight to your kitchen. They’re ideal for parties, potlucks, or a cozy night in with your family.

Table of Contents

Ingredients (and Why Each One Matters)

For the Graham Cracker Crust:

  • 1½ cups graham cracker crumbs – Provides the signature crunch and honeyed flavor of traditional s’mores.
  • ¼ cup granulated sugar – Adds sweetness and helps bind the crust.
  • 6 tablespoons unsalted butter, melted – Acts as the binder and gives a rich, buttery base.

For the Brownie Layer:

  • ½ cup unsalted butter – Creates a soft, fudgy texture.
  • 1 cup granulated sugar – Sweetens and enhances the chocolate flavor.
  • 2 large eggs – Give structure and richness.
  • 1 teaspoon vanilla extract – Adds depth and warmth.
  • ⅓ cup unsweetened cocoa powder – Delivers rich chocolate taste.
  • ½ cup all-purpose flour – The foundation of the brownie texture.
  • ¼ teaspoon salt – Balances the sweetness.
  • ½ cup semi-sweet chocolate chips – Adds melty chocolate pockets.

For the Marshmallow Topping:

  • 2 cups mini marshmallows – The classic s’mores element that melts and browns beautifully.

Step-by-Step Instructions

1. Prepare the Graham Cracker Crust

  1. Preheat your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper or foil for easy removal.
  2. In a medium bowl, combine graham cracker crumbs, sugar, and melted butter. Stir until evenly moistened.
  3. Press the mixture firmly into the bottom of the prepared pan to form an even crust.
  4. Bake for 8 minutes, then set aside to cool slightly.

2. Make the Brownie Layer

  1. In a medium saucepan over low heat, melt the butter. Remove from heat and whisk in sugar, eggs, and vanilla until smooth and glossy.
  2. Add cocoa powder, flour, and salt, stirring just until combined.
  3. Fold in chocolate chips for extra richness.
  4. Pour the batter over the cooled graham cracker crust and spread evenly.

3. Bake the Brownies

  1. Bake at 350°F (175°C) for 22–25 minutes, or until a toothpick inserted comes out with just a few moist crumbs.
  2. Remove from oven and immediately sprinkle the mini marshmallows over the hot brownies.

4. Toast the Marshmallows

  1. Turn on your oven’s broiler. Place the pan under the broiler for 1–2 minutes, watching closely, until marshmallows are golden brown and toasted.
  2. Let the brownies cool completely before slicing, allowing the marshmallow topping to set.

Why This Recipe Is Loved

Why This Recipe Is Loved

S’mores Brownies are everything you love about a classic s’more—but elevated and baked into one cohesive, crowd-pleasing dessert. The buttery graham crust holds up against the rich chocolate center, while the marshmallows melt just enough to become gooey but still hold their toasty charm. It’s easy to make, fun to serve, and absolutely irresistible warm or at room temperature.


Pro Tips for Perfect S’mores Brownies

  • Line your pan with parchment paper to make lifting and slicing easier.
  • Don’t overbake the brownie layer—this keeps it soft and fudgy.
  • Watch the broiler carefully! Marshmallows can go from golden to burnt in seconds.
  • Add crushed graham crackers or a drizzle of melted chocolate on top for extra flair.

Serving Suggestions

  • Serve warm with a scoop of vanilla ice cream for the ultimate dessert experience.
  • Pair with a hot chocolate or cold milk to double down on the comfort factor.
  • Cut into small squares and serve at parties, potlucks, or summer BBQs for a fun, nostalgic treat.

Related Article: Peanut Butter Brownie in a Mug: Quick & Easy Recipe

S’mores Brownies FAQ: Everything You Need to Know

u003cstrongu003e1. Can I use boxed brownie mix instead of making it from scratch?u003c/strongu003eu003cbru003e

u003cstrongu003eYes!u003c/strongu003e If you’re short on time, you can use your favorite boxed brownie mix. Simply prepare the graham cracker crust, pour the brownie batter on top, and follow the baking instructions. Add the marshmallows and broil as directed in the original recipe.

u003cstrongu003e2. How do I keep the marshmallows from burning under the broiler?u003c/strongu003eu003cbru003e

Broiling marshmallows requires close attention. Set your broiler to u003cstrongu003elow or mediumu003c/strongu003e, place the pan on the u003cstrongu003emiddle racku003c/strongu003e, and watch constantly. It only takes u003cstrongu003e1–2 minutesu003c/strongu003e for the marshmallows to toast. Once they’re golden brown, immediately remove the pan.

u003cstrongu003e3. Can I make S’mores Brownies ahead of time?u003c/strongu003eu003cbru003e

Absolutely. You can bake the brownies a day in advance. Let them cool completely and store them u003cstrongu003ecovered at room temperatureu003c/strongu003e. The marshmallow topping may soften over time, but the flavor stays great.

u003cstrongu003e4. What’s the best way to cut S’mores Brownies cleanly?u003c/strongu003eu003cbru003e

For neat slices:u003cbru003eLet the brownies cool completely.u003cbru003eUse a u003cstrongu003esharp knifeu003c/strongu003e and clean it between cuts.u003cbru003eLightly grease the knife or dip it in warm water before slicing.u003cbru003eThis helps keep the sticky marshmallows from dragging across the brownie layer.

u003cstrongu003e5. Can I freeze S’mores Brownies?u003c/strongu003eu003cbru003e

You can freeze them, but note that u003cstrongu003emarshmallows don’t always freeze wellu003c/strongu003e. The texture can change and become chewy. If you want to freeze, do so u003cstrongu003ebefore adding the marshmallow toppingu003c/strongu003e, and add it fresh when reheating.

Final Thoughts: Campfire Flavor, Oven Convenience

These S’mores Brownies bring together all the cozy flavors of a fireside treat with the ease of an oven-baked dessert. Perfect for all seasons—not just summer—this recipe is a guaranteed hit for kids, adults, and chocolate lovers alike. With minimal prep and maximum flavor, it’s a must-try for anyone who loves dessert done right.

Make these brownies once, and they’ll become a staple in your baking rotation. Gooey, chocolatey, crunchy, and sweet—this is everything a great dessert should be.

If you love creative dessert ideas like these S’mores Brownies, you’ll find plenty more to inspire your next baking session. Check out even more delicious brownie variations, s’mores desserts, and family-friendly treats on Pinterest — a goldmine of mouthwatering dessert boards.

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S’mores Brownies


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  • Author: slzakaria31
  • Total Time: 50 minutes
  • Yield: 16 servings 1x
  • Diet: Vegetarian

Description

A rich, gooey twist on the classic campfire treat, layered with buttery graham cracker crust, deep chocolate brownie, and golden marshmallow topping.


Ingredients

Scale
  • 1½ cups graham cracker crumbs
  • ¼ cup granulated sugar
  • 6 tablespoons unsalted butter, melted
  • ½ cup unsalted butter
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ⅓ cup unsweetened cocoa powder
  • ½ cup all-purpose flour
  • ¼ teaspoon salt
  • ½ cup semi-sweet chocolate chips
  • 2 cups mini marshmallows

Instructions

  1. Preheat your oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper or foil for easy removal.
  2. In a medium bowl, combine graham cracker crumbs, sugar, and melted butter. Stir until evenly moistened. Press the mixture firmly into the bottom of the prepared pan to form an even crust. Bake for 8 minutes and set aside to cool slightly.
  3. In a medium saucepan over low heat, melt ½ cup of butter. Remove from heat and whisk in 1 cup of sugar, 2 eggs, and 1 teaspoon of vanilla until smooth and glossy. Add ⅓ cup of cocoa powder, ½ cup of flour, and ¼ teaspoon of salt, stirring just until combined. Fold in ½ cup of chocolate chips for extra richness. Pour the batter over the cooled graham cracker crust and spread evenly.
  4. Bake at 350°F (175°C) for 22–25 minutes, or until a toothpick inserted comes out with just a few moist crumbs. Remove from oven and immediately sprinkle the mini marshmallows over the hot brownies.
  5. Turn on your oven’s broiler. Place the pan under the broiler for 1–2 minutes, watching closely, until marshmallows are golden brown and toasted. Let the brownies cool completely before slicing, allowing the marshmallow topping to set.

Notes

Line your pan with parchment paper for easy removal. Watch the marshmallows closely while broiling to prevent burning.

  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 brownie
  • Calories: 280
  • Sugar: 22g
  • Sodium: 120mg
  • Fat: 12g
  • Saturated Fat: 7g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 38g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 50mg

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