Easy S’mores Brownies Recipe

Introduction

These Easy S’mores Brownies combine the classic flavors of graham crackers, chocolate, and marshmallows into a rich, fudgy dessert. Perfect for a cozy night in or a fun treat to share, they’re simple to make and sure to delight everyone.

Two square dessert bars stacked on a white plate with three small marshmallows beside them, set on a white marbled surface. Each bar has three layers: the bottom layer is a thin golden brown graham cracker crust, the middle layer is thick and dark chocolate brownie with a moist and dense texture, and the top layer is a layer of fluffy, slightly browned toasted white mini marshmallows. In the background, there is a blurred image of more bars on a wooden board. Photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • 5 whole graham crackers
  • 1 box Ghirardelli brownie mix (see notes)
  • ¼ cup water
  • ¼ to ½ cup vegetable oil (refer to brownie mix instructions for exact amount)
  • 1 large egg
  • ½ cup semisweet or dark chocolate chips
  • 1 ¼ cups mini marshmallows

Instructions

  1. Step 1: Preheat the oven to 325°F. Line an 8×8-inch pan with foil and spray it with nonstick cooking spray.
  2. Step 2: Arrange the graham crackers in a single layer in the prepared pan. You may need to break one cracker along the perforated lines to fit them snugly.
  3. Step 3: Prepare the brownie batter by mixing the water, oil, and egg according to the package directions. Spread the batter evenly over the graham crackers.
  4. Step 4: Bake for 35 minutes. Remove from the oven and immediately sprinkle the chocolate chips evenly over the top, then add the mini marshmallows.
  5. Step 5: Return the pan to the oven and bake for an additional 5 minutes, or until the marshmallows puff up and turn lightly browned.
  6. Step 6: Cool the brownies on a wire rack for about 20 minutes before cutting and serving. Enjoy warm or at room temperature.

Tips & Variations

  • For extra gooey brownies, use dark chocolate chips and add a sprinkle of sea salt on top before the final bake.
  • Swap mini marshmallows with regular-sized ones if mini are unavailable—just distribute evenly.
  • Try adding chopped nuts like walnuts or pecans into the brownie batter for added crunch.

Storage

Store leftover brownies in an airtight container at room temperature for up to 3 days. To maintain the gooey marshmallow texture, reheat briefly in the microwave before serving.

How to Serve

A thick, dark brown square brownie with a layer of small toasted marshmallows on top, each marshmallow slightly puffed and golden at the edges. The brownie is cut into smaller squares, and a woman's hand is lifting one piece, showing the soft, dense texture inside. The brownie is set on brown parchment paper over a wire rack, placed on a white marbled surface. In the background, a white bowl filled with chocolate chips and more small marshmallows is slightly out of focus. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I use a different brownie mix brand?

Yes, you can use any brownie mix you prefer. Just follow the package instructions for the liquid ingredients and baking times.

Do I have to break the graham crackers to fit the pan?

Usually, yes. Most 8×8-inch pans are slightly smaller than the length of a full graham cracker, so breaking one cracker helps them fit snugly in a single layer.

Print

Easy S’mores Brownies Recipe

These Easy S’mores Brownies combine the classic campfire treat with rich, fudgy chocolate brownies layered over a crispy graham cracker crust. Topped with melty chocolate chips and golden toasted mini marshmallows, this recipe is a delightful dessert perfect for satisfying your sweet cravings anytime.

  • Author: Maya
  • Prep Time: 10 minutes
  • Cook Time: 40 minutes
  • Total Time: 50 minutes
  • Yield: 16 brownies 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Ingredients

Scale

Base Layer

  • 5 whole graham crackers

Brownie Batter

  • 1 box Ghirardelli brownie mix
  • ¼ cup water
  • ¼ to ½ cup vegetable oil (refer to brownie mix instructions for exact amount)
  • 1 large egg

Toppings

  • ½ cup semisweet or dark chocolate chips
  • 1 ¼ cups mini marshmallows

Instructions

  1. Preheat and Prepare the Pan: Preheat your oven to 325°F. Line an 8×8-inch baking pan with foil and lightly spray it with nonstick cooking spray to ensure easy removal of the brownies later.
  2. Arrange Graham Crackers: Place the graham crackers in a single layer on the bottom of the prepared pan. You may need to break one along the perforated lines so they fit snugly and evenly as the base layer.
  3. Prepare Brownie Batter: In a mixing bowl, prepare the brownie batter according to the instructions on the Ghirardelli brownie mix box using the specified water, vegetable oil, and egg. Stir until the mixture is smooth and well combined.
  4. Spread Brownie Batter: Pour and spread the prepared brownie batter evenly over the graham cracker layer in the pan, covering all crackers completely.
  5. Bake Initial Layer: Bake the brownies in the preheated oven for 35 minutes. This step cooks the batter and allows the bottom layer to set.
  6. Add Toppings: Upon removing the brownies from the oven, immediately sprinkle the semisweet or dark chocolate chips evenly over the top, followed by an even layer of mini marshmallows.
  7. Final Bake: Return the pan to the oven and bake for an additional 5 minutes or until the marshmallows have puffed up and are lightly browned on top, creating that signature toasted s’mores look and flavor.
  8. Cool and Serve: Remove the pan from the oven and cool the brownies on a wire rack for about 20 minutes. Cut into squares and serve warm or at room temperature for best enjoyment.

Notes

  • Using Ghirardelli brownie mix yields a rich, fudgy texture, but you can substitute your preferred brownie mix if desired.
  • Adjust the amount of vegetable oil based on the brownie mix instructions for best consistency.
  • Line the pan with foil and spray it to make removal and cleanup easier.
  • Serving warm enhances the gooey texture of the marshmallows and chocolate chips.

Keywords: S’mores brownies, easy brownies, chocolate marshmallow dessert, graham cracker brownies, campfire dessert, baked s’mores

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