These Sโ€™mores Brownies are the best way to get that campfire sโ€™mores flavor without leaving your kitchen. You start with a rich, fudgy brownie base, then pile on Hershey bar pieces, graham crackers, mini marshmallows, and extra chocolate chips, and finish with a quick broil for that toasted top.

These brownies stay dense and chocolatey, the marshmallows get gooey and golden, and the graham crackers add the perfect little crunch. It is a fun party dessert, an easy summer treat, and one of those pans that disappears fast.

For more Sโ€™mores treats, try our Smores Pies along with S’mores Puppy Chow!

Why you’ll love it + Why it works:

  • Classic Sโ€™mores Flavor. All the best parts of sโ€™mores in one easy dessert.
  • Fun Dessert Option. Our kids go crazy over anything s’mores, and this is a kid-friendly recipe everyone enjoys.
  • Layered Toppings. Chocolate, marshmallows, and graham crackers melt together perfectly for that iconic flavor pairing.
  • Quick Broil Finish. Gives that toasted marshmallow top and finishing touch.
Ingredients for s'mores brownies measured and ready for baking.

S’mores Brownie Ingredients

  • Butter (1 cup, melted): Adds richness and keeps the brownies soft and fudgy.
  • Sugar (2 cups): Sweetens the brownies and helps create that classic texture.
  • Cocoa (โ…” cup): Gives deep chocolate flavor to the base.
  • Eggs (4): Adds structure and helps bind the batter.
  • Vanilla Extract (1 teaspoon): Enhances the chocolate flavor.
  • All-Purpose Flour (1 ยฝ cups): Provides structure while keeping the brownies tender.
  • Salt (ยฝ teaspoon): Balances sweetness and boosts flavor.
  • Hershey Bar (3 ounces, chopped): Melts over the brownies for that classic sโ€™mores chocolate layer.
  • Graham Crackers (4, broken): Adds crunch and that signature sโ€™mores flavor.
  • Mini Marshmallows (2 ยฝ cups): Creates a gooey, toasted topping.
  • Semi-Sweet Chocolate Chips (ยพ cup): Adds extra melty chocolate throughout the topping. Milk chocolate chips or white chocolate chips can be used as well.

How to Make S’mores Brownies

PREP. Preheat the oven to 350ยฐF. Line a 9×13-inch pan with foil or parchment paper and spray with non-stick spray.

BATTER. Whisk together melted butter, sugar, and cocoa till smooth in a large bowl. Add eggs and vanilla and whisk till blended. Stir in flour and salt.

BAKE. Pour and spread batter into a prepared pan. Bake for 30-35 minutes or until a toothpick comes out clean.

CHOCOLATE TOPPING. Remove from oven and immediately sprinkle with chopped Hershey bars, graham cracker pieces, marshmallows, and chocolate chips.

TOAST + ENJOY! Return to oven and broil for 2-3 minutes or till marshmallows are toasted and chocolate is melted. Serve warm or cooled.

A square slice of s'mores brownies served on a white plate.

Kristyn’s Recipe Tips

  • Watch the Broiler: Marshmallows toast quickly, so donโ€™t walk away.
  • Layering Matter: Layer chocolate first so it melts and holds everything together.
  • Use Fresh Marshmallows: They melt better and give the best texture. Use jumbo marshmallows or cut large ones, and make sure theyโ€™re fresh.
  • Let Cool Slightly: This helps the brownies set before cutting.
  • Cutting Tips: For clean cuts, oil your knife between slices.
  • Cooking Tips: Line the pan with parchment. If you don’t have parchment paper, be sure to spray the pan with cooking spray, then scoop in some flour. Tilt the pan so that the flour coats the bottom and sides. Discard excess flour.
  • Box Mix: This is a great way to elevate a store-bought brownie mix. Bake the brownies according to the directions on the box. Top with sโ€™mores ingredients as directed in the recipe.
A slice of s'mores brownies on a white plate.
5 from 13 votes

S’mores Brownies Recipe

Fudgy Sโ€™mores Brownies are the ultimate chocolatey dessert, topped with gooey toasted marshmallows and crunchy graham cracker chunks.
Servings: 20
Prep: 5 minutes
Cook: 32 minutes
Total: 37 minutes

Ingredients 

  • 1 cup butter, melted
  • 2 cups sugar
  • โ…” cup cocoa
  • 4 eggs
  • 1 teaspoon vanilla extract
  • 1 ยฝ cups all-purpose flour
  • ยฝ teaspoon salt
  • 3 ounces Hershey Bar, chopped
  • 4 graham crackers, broken in pieces
  • 2 ยฝ cups mini marshmallows
  • ยพ cup semi-sweet chocolate chips

Instructions 

  • Preheat the oven to 350ยฐF. Line a 9×13-inch pan with foil or parchment paper and spray with non-stick spray.
  • Whisk together melted butter, sugar, and cocoa till smooth. Add eggs and vanilla and whisk till blended. Stir in flour and salt.
  • Spread batter into a prepared pan. Bake for 30-35 minutes or until a toothpick comes out clean.
  • Remove from oven and immediately sprinkle with chopped Hershey bars, graham cracker pieces, marshmallows, and chocolate chips.
  • Return to oven and broil for 2-3 minutes or till marshmallows are toasted and chocolate is melted.
  • Serve warm or cooled.
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Notes

Recipe Tips.
  • Watch the Broiler: Marshmallows toast quickly, so donโ€™t walk away.
  • Layering Matter: Layer chocolate first so it melts and holds everything together.
  • Use Fresh Marshmallows: They melt better and give the best texture. Use jumbo marshmallows or cut large ones, and make sure theyโ€™re fresh.
  • Cooking Tips: Line the pan with parchment. If you don’t have parchment paper, be sure to spray the pan with cooking spray, then scoop in some flour. Tilt the pan so that the flour coats the bottom and sides. Discard excess flour.
  • Box Mix: This is a great way to elevate a store-bought brownie mix. Bake the brownies according to the directions on the box. Top with sโ€™mores ingredients as directed in the recipe.
Store. Store in an airtight container at room temperature. I love to reheat mine for a few seconds in the microwave to get the toppings nice and gooey again.ย 
Freeze. Once the brownies have cooled completely, store them in an airtight container or freezer bag, or tightly wrap them in plastic wrap. They can be kept frozen for up to 3 months. Thaw the brownies at room temperature before serving.

Nutrition

Calories: 305kcal, Carbohydrates: 42g, Protein: 3g, Fat: 14g, Saturated Fat: 8g, Cholesterol: 57mg, Sodium: 177mg, Potassium: 124mg, Fiber: 2g, Sugar: 29g, Vitamin A: 335IU, Calcium: 20mg, Iron: 1.7mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Recipe FAQ

How to store?

Store in an airtight container at room temperature. I love to reheat mine for a few seconds in the microwave to get the toppings nice and gooey again.

How to freeze?

Once the brownies have cooled completely, store them in an airtight container or freezer bag, or tightly wrap them in plastic wrap. They can be kept frozen for up to 3 months.ย Thaw the brownies at room temperature before serving.

This recipe was first shared July, 2017.

About Kristyn

Kristyn Merkley is a published cookbook author, wife, mom of six, and major food enthusiast! For the past 15 years, she has been sharing foolproof, family-friendly recipesโ€”each one tested in her kitchenโ€”that anyone can master. As a seasoned recipe creator, she loves making cooking simple, stress-free, and totally doable for everyone!

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5 from 13 votes (7 ratings without comment)

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22 Comments

  1. Monica Woodward says:

    I made the Smores Brownies for a neighborhood block party and they were enjoyed by all!
    It was so easy to make the brownie mix from scratch and didn’t take long at all. I didn’t have a Hershey bar so I used milk chocolate, dark chocolate and semi-sweet chocolate chips and it tasted great. I love many of your recipes and keep coming back to your website. Thank you!

    1. Lil' Luna Team says:

      That’s wonderful to hear! It always makes my day when people enjoy it, let alone a whole block!

  2. Kimberly says:

    If I freeze, do I freeze without the toppings?

  3. Emily says:

    5 stars
    So good

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