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+ servings
S'mores brownies on brown parchment paper.

S'mores Brownies

Angelina Papanikolaou
These S’mores brownies are a chocolate lover’s dream! There are layers of graham crackers, fudgy brownies, melted chocolate, and toasty marshmallows on top. They are a showstopper, perfect for summer parties and get-togethers.
5 from 4 votes
Prep Time 15 mins
Cook Time 40 mins
Cooling time 25 mins
Total Time 1 hr 20 mins
Course Bars, Brownies, Dessert
Cuisine American
Servings 16 servings
Calories 360 kcal

Equipment

  • 9x9-inch pan
  • Saucepan
  • Whisk
  • Rubber spatula
  • Kitchen torch

Ingredients 

  • 7 sheets graham crackers
  • 1 cup butter
  • 1 ½ cup light brown sugar
  • ½ cup sugar
  • 4 eggs room temperature
  • 2 tsp vanilla
  • 1 cup cocoa powder
  • cup flour
  • ½ tsp baking powder
  • ½ tsp salt
  • 3 ½ oz chocolate chopped
  • 36 marshmallows *see notes

Instructions 

  • Preheat oven to 350 degrees F. Line a 9x9-in pan with parchment paper overhanging the sides.
  • Arrange graham crackers on the bottom of the lined pan. Break any graham crackers to fit.
    7 sheets graham crackers
  • In a medium size saucepan over medium heat, melt butter. Remove from heat and stir in sugars. Allow the mixture to cool for 5 minutes.
    1 cup butter, 1 ½ cup light brown sugar, ½ cup sugar
  • Whisk eggs and vanilla into the butter/sugar mixture. Mix in cocoa powder. Gently fold in the flour, baking powder, and salt until just combined.
    4 eggs, 2 tsp vanilla, 1 cup cocoa powder, ⅔ cup flour, ½ tsp baking powder, ½ tsp salt
  • Pour the batter over the graham crackers and bake for 30 minutes.
  • After 30 minutes, remove the pan from the oven and top with chopped chocolate. Allow the chocolate to sit for 3-5 minutes and then use a small offset spatula to spread the chocolate over the top of the brownies.
    3 ½ oz chocolate
  • Arrange the marshmallows on top in rows and then return the pan to the oven for 5 minutes. After 5 minutes, remove the pan from the oven and use a kitchen torch to toast the tops of the marshmallows, or position the pan to the top rack of your oven and broil for 15-30 seconds.
    36 marshmallows
  • Allow the brownies to cool for 20-30 minutes before cutting into squares. Enjoy!

Notes

*The amount of marshmallows you will need depends on the size you choose. If you are using regular-sized marshmallows, you will 36 total. For mini or jumbo marshmallows, you will need more and less, respectively. 
  • Storage: Store any leftover brownies in an airtight container in the refrigerator for up to 1 week. You can enjoy them cold, or pop them into the microwave for a few seconds for a warm gooey treat.
  • Gluten free: To make this recipe entirely gluten free, use gluten free graham crackers and replace the flour with an all-purpose 1 to 1 gluten free baking flour. Pamela’s Products gluten free graham crackers and Bob’s Red Mill gluten free flour mix are my favorite!

Nutrition

Calories: 360kcalCarbohydrates: 55gProtein: 4gFat: 16gSaturated Fat: 9gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 1gCholesterol: 71mgSodium: 264mgPotassium: 164mgFiber: 2gSugar: 40gVitamin A: 414IUCalcium: 49mgIron: 2mg
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