S’more Brownies

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These delicious s’more brownies are a mixture of everyone’s favorite treats! Layer fudgy brownies, graham cracker crust, and ooey gooey marshmallow topping for the ultimate campfire treat.

S'more Brownie on a white plate with graham cracker, marshmallows, and chocolate chips beside it

Why We Love S’more Brownies

How can anyone resist s’mores? It’s literally in the name, once you have one you’re going to need s’more! There’s melty chocolate and gooey marshmallows, all sandwiched between that buttery graham cracker crunch. 

Now imagine that classic treat combined with moist chocolatey brownies! These S’mores Brownies have all of that, but they’re better! Kids and adults alike will flock to you for this dessert.

More Brownie Recipes

Ingredients to Make This S’more-Inspired Brownie Recipe

Start with the base, or should I say – crust! All you’ll need are graham cracker crumbs, sugar, and melted butter

For the brownies, you’ll need a few more ingredients but thankfully they’re not complicated. 

  • Cocoa powder
  • Refrigerator Staples: Butter, eggs.
  • Pantry Staples: Sugar, baking powder, flour.
  • Hot water
  • Vanilla
  • Chocolate chips

Then to finish off the s’more trifecta with a topping, you’ll need a bag of mini marshmallows.

How to Make This Brownie Recipe

Step 1: Preheat and Prep

Preheat your oven to 350 degrees F and grease a 9×13 pan. Set your pan aside. 

Step 2: Make Graham Cracker Crust

In a medium-sized bowl, stir together the ingredients for the crust and then press it into your greased pan in an even layer. Bake the graham cracker crust for 12 minutes. 

Step 3: Make Brownie Batter

In a large bowl, combine the brownie ingredients except for the chocolate chips. Pour the batter over the crust and sprinkle it with the chips. 

Step 4: Bake and Broil

Bake the brownies for 20 minutes, or just until it’s set. Remove the brownie from the oven and top it with marshmallows. Put the dish back in the oven under the broiler for about a minute and 15 seconds. Be sure to watch them closely so they don’t burn. 

Step 5: Cool

Allow your brownies to cool completely before serving. Enjoy!

a square of s'more brownie on a white plate with a forkful of the brownie beside it


How can I make my brownies extra moist?

Swap the water for milk. Milk has fat in it so it’ll make your brownies extra moist and fudgy.

Who invented s’mores?

A Girl Scout leader is believed to be the inventor! The recipe was first published in a Girl Scout book in 1927.

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Smores Brownies

S’more Brownies

Course: Dessert
Servings: 20
Author: Malinda
Print Recipe Save Recipe


  • 3 c. graham cracker crumbs
  • 1/4 c sugar
  • 3/4 c butter melted
  • 3/4 c cocoa powder
  • 3/4 c. butter melted
  • 2 TBSP hot water
  • 1 2/3 c sugar
  • 2 eggs beaten
  • 2 tsp vanilla
  • 1 1/3 c all purpose flour
  • 1/2 tsp baking powder
  • 2 c. chocolate chips
  • 10.5 oz bag of mini marshmallows


  • Preheat oven to 350 degress.
  • Grease a 9×13 pan and set aside.
  • In a medium bowl. stir together ingredients for the crust and press into prepared pan in an even layer. Bake for 12 minutes.
  • In a large bowl combine first 8 brownie ingredients and stir to combine. Pour over crust and sprinkle with chocolate chips.
  • Bake for 20 minutes or just until set. Remove for oven and top with marshmallows . Place under broiler for a couple of minutes and be sure to watch them closely.
  • Let brownies cool completely before serving.

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