S’mores Brownies

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Topped with gooey marshmallows, toasted graham crackers and melted chocolate, these S’mores Brownies are sure to disappear quickly in your house!

The one regret that I have about our new house is that it doesn’t have a wood-burning fireplace.  We moved to a new house (just around the corner) back in February, and we love the new place.  But it has a gas fireplace.  Sure, a gas fireplace has its advantages.  I can flip a switch, and the fire is lit.  But a gas fireplace just isn’t the same as a wood-burning fireplace.

Now that we have a gas burning fireplace, indoor s’mores are no longer an option.  Bummer.  That’s ok, though.  These S’mores Brownies totally fill the void!  These S’mores Brownies are a piece of cake (err…brownie?) to make, too.  Just make a batch of your favorite brownies.  (Yup, boxed brownie mixes are totally ok.)  Then when they’re done, just sprinkle marshmallows and graham crackers on top.  Broil ’em for 2-3 minutes and then add the chocolate bars.  You’re done.  That’s it.  Well, except for waiting for them to cool off.  In the words of the late Tom Petty: the waiting is the hardest part.

Before we wrap up this post, I’ll note that you have 2 options here: you can let these S’mores Brownies cool at room temperature for about 30-45 minutes.  They’ll still be warm and gooey and delicious, but you’ll likely want to serve ’em with a fork.  Option 2 is to let them cool for a bit and then toss the entire pan in the fridge.  The brownies get a bit firmer, and they’re easier to slice and eat with your hands.  Both ways are totally acceptable.  In fact, if you can’t decide which way to go, just make 1 pan of each!  Enjoy!

Topped with gooey marshmallows, toasted graham crackers and melted chocolate, these S’mores Brownies are sure to disappear quickly in your house!

Prep Time:15 minutes

Cook Time:30 minutes

Total Time: 45 minutes

Servings:  24 brownies

Calories: 232kcal


For the Brownies

  • 1 cup unsalted butter
  • 3 oz. unsweetened chocolatechopped
  • 1¾ cups semisweet chocolate chipsdivided
  • 3 large eggs
  • 1 cup sugar
  • 1 Tbsp vanilla extract
  • ⅔ cup all-purpose flour
  • ½ Tbsp baking powder
  • ½ tsp salt

For the S’mores Topping

  • 2 cups mini-marshmallows
  • 5 whole graham crackers crumbled/broken
  • 3 1.55-oz. chocolate bars broken into 1” pieces


  1. Preheat oven to 350°F.
  2. Grease and flour a 9”x13” baking pan. Line bottom with parchment paper (see note); set pan aside.
  3. Using a medium saucepan, add the butter, chocolate and 1 cup of chocolate chips. Place over medium-low heat, stirring often, until butter and chocolate have fully melted; set pan aside to cool.
  4. Using a large bowl, mix together the eggs, sugar and vanilla. Stir the egg mixture into the warm chocolate mixture.
  5. Using a medium bowl, sift together the flour, baking powder and salt. Stir the flour mixture into the chocolate mixture.
  6. Stir the remaining ¾ cup of chocolate chips into the batter.
  7. Pour batter into prepared baking pan. Bake at 350°F for 30-35 minutes, or until a toothpick inserted into the brownies comes out mostly clean.
  8. Remove brownies from oven and switch oven to broil (low).
  9. Sprinkle mini-marshmallows evenly on top of brownies and then spread graham cracker pieces on top.
  10. Broil on low for 1-2 minutes, or until marshmallows are golden brown. (Note: Pay close attention at this stage as the marshmallows and graham crackers will burn quickly!)
  11. Remove brownies from oven and sprinkle chocolate pieces on top.
  12. Let cool for at least 30 minutes before slicing.


I recommend using an oversized piece of parchment paper so that the paper comes up at least 2” on all sides of the pan. As you add a frosting to these brownies, the extra parchment paper will give you a way to lift the brownies out of the pan once they’ve cooled.

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