Embark on a nostalgic journey with these S'mores Blondies, where classic graham cracker crust meets rich blondie batter topped with toasted marshmallows and melty chocolate.

Whether it's a summer gathering or cozy indoor treat, these S'mores Blondies bring beloved campfire flavors right to your kitchen with their perfect blend of textures.
Perfect for parties or whenever you crave that s'mores experience, this recipe captures the essence of outdoor desserts. Ready to create the ultimate indoor s'mores treat? Let's dive into this nostalgic and utterly rewarding recipe.
Master the Art of S'mores Blondies
These S'mores Blondies aren't just another dessert bar they're a perfect fusion of classic flavors and textures. The combination of graham crackers, chocolate, and marshmallows creates an unforgettable taste experience.
Here's your guide to creating these spectacular S'mores Blondies, complete with professional tips to ensure your bars turn out perfectly every time.
Serving Suggestions for S'mores Blondies:
- Serve slightly warm for melty chocolate
- Pair with vanilla ice cream
- Present on a rustic wooden board
- Cut into generous squares
- Garnish with chocolate drizzle
Pro Tips for Perfect S'mores Blondies:
- Temperature Control: Cool crust before adding batter
- Marshmallow Timing: Watch carefully when broiling
- Chocolate Selection: Use quality chocolate bars
- Pan Preparation: Line with parchment paper
- Cutting Strategy: Use a warm knife for clean slices
S'mores Blondies Recipe:
- Preparation time: 25 minutes
- Baking time: 30 minutes
- Servings: 16 squares
- Equipment: 9x9 baking pan, mixer, food processor
Transform your kitchen into a cozy campfire scene with these spectacular S'mores Blondies.
Ingredients:
For the Graham Cracker Crust:
- 1 ½ cups graham cracker crumbs (about 10 full sheets)
- ¼ cup granulated sugar
- ½ cup (1 stick) unsalted butter, melted
For the Blondie Batter:
- 1 cup (2 sticks) unsalted butter, melted and cooled
- 2 cups light brown sugar, packed
- 2 large eggs, room temperature
- 1 large egg yolk, room temperature
- 1 tablespoon vanilla extract
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon salt
- 1 cup chocolate chips
- 1 ½ cups mini marshmallows, divided
- 4 full-sized Hershey's milk chocolate bars, broken into pieces
For the Topping:
- 1 cup mini marshmallows
- ½ cup chocolate chips
- ½ cup graham cracker crumbs
- 4 graham crackers, broken into pieces
Directions:
- Preheat oven to 350°F. Line a 9x13-inch baking pan with parchment paper, leaving an overhang on the sides for easy removal.
- Make the graham cracker crust: In a medium bowl, combine graham cracker crumbs, sugar, and melted butter. Press firmly into the bottom of the prepared pan in an even layer. Bake for 8 minutes.
- While the crust bakes, prepare the blondie batter: In a large bowl, whisk together melted butter and brown sugar until well combined.
- Add eggs, egg yolk, and vanilla extract. Whisk until smooth and lightened in color, about 2 minutes.
- In a separate bowl, whisk together flour, baking powder, and salt.
- Add the dry ingredients to the wet ingredients and stir until just combined. Do not overmix.
- Fold in chocolate chips and 1 cup of mini marshmallows.
- Pour the batter over the partially baked graham cracker crust, spreading evenly.
- Bake for 15 minutes, then remove from oven and quickly press the Hershey's chocolate pieces into the partially baked blondie.
- Sprinkle the remaining ½ cup of mini marshmallows over the top.
- Return to oven and bake for an additional 10-15 minutes, until the edges are golden brown and the center is just set. The center may still look slightly underdone but will continue cooking as it cools.
- Turn on the broiler. Sprinkle the top with the additional 1 cup of mini marshmallows, ½ cup chocolate chips, and ½ cup graham cracker crumbs.
- Broil for 1-2 minutes until marshmallows are toasted and golden. Watch carefully to prevent burning!
- Remove from oven and immediately press graham cracker pieces into the top.
- Allow to cool completely in the pan before lifting out using the parchment overhang.
- Cut into squares and serve. For cleaner cuts, refrigerate for 1 hour before cutting.
Ready to Enjoy!
These S'mores Blondies offer an incredible combination of flavors that will transport you to summer evenings. Each bite delivers the perfect balance of chewy, crunchy, and gooey textures.
Storage Solutions:
- Room Temperature: Store in airtight container for 4 days
- Refrigeration: Keep chilled for firmer texture
- Reheating: Warm briefly in microwave
- Serving Tip: Best enjoyed slightly warm
S'mores Blondies
Transform your kitchen into a cozy campfire scene with these spectacular S'mores Blondies.
- Total Time: 55 minutes
- Yield: 16 squares 1x
Ingredients
For the Graham Cracker Crust:
- 1 ½ cups graham cracker crumbs (about 10 full sheets)
- ¼ cup granulated sugar
- ½ cup (1 stick) unsalted butter, melted
For the Blondie Batter:
- 1 cup (2 sticks) unsalted butter, melted and cooled
- 2 cups light brown sugar, packed
- 2 large eggs, room temperature
- 1 large egg yolk, room temperature
- 1 tablespoon vanilla extract
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon salt
- 1 cup chocolate chips
- 1 ½ cups mini marshmallows, divided
- 4 full-sized Hershey's milk chocolate bars, broken into pieces
For the Topping:
- 1 cup mini marshmallows
- ½ cup chocolate chips
- ½ cup graham cracker crumbs
- 4 graham crackers, broken into pieces
Instructions
- Preheat oven to 350°F. Line a 9x13-inch baking pan with parchment paper, leaving an overhang on the sides for easy removal.
- Make the graham cracker crust: In a medium bowl, combine graham cracker crumbs, sugar, and melted butter. Press firmly into the bottom of the prepared pan in an even layer. Bake for 8 minutes.
- While the crust bakes, prepare the blondie batter: In a large bowl, whisk together melted butter and brown sugar until well combined.
- Add eggs, egg yolk, and vanilla extract. Whisk until smooth and lightened in color, about 2 minutes.
- In a separate bowl, whisk together flour, baking powder, and salt.
- Add the dry ingredients to the wet ingredients and stir until just combined. Do not overmix.
- Fold in chocolate chips and 1 cup of mini marshmallows.
- Pour the batter over the partially baked graham cracker crust, spreading evenly.
- Bake for 15 minutes, then remove from oven and quickly press the Hershey's chocolate pieces into the partially baked blondie.
- Sprinkle the remaining ½ cup of mini marshmallows over the top.
- Return to oven and bake for an additional 10-15 minutes, until the edges are golden brown and the center is just set. The center may still look slightly underdone but will continue cooking as it cools.
- Turn on the broiler. Sprinkle the top with the additional 1 cup of mini marshmallows, ½ cup chocolate chips, and ½ cup graham cracker crumbs.
- Broil for 1-2 minutes until marshmallows are toasted and golden. Watch carefully to prevent burning!
- Remove from oven and immediately press graham cracker pieces into the top.
- Allow to cool completely in the pan before lifting out using the parchment overhang.
- Cut into squares and serve. For cleaner cuts, refrigerate for 1 hour before cutting.
Notes
- Use a kitchen torch instead of the broiler for more controlled toasting of the marshmallows if available.
- For a gooier center, reduce the final baking time by 2-3 minutes.
- These blondies will keep in an airtight container at room temperature for up to 3 days.
- For a twist, try using different chocolate varieties like dark chocolate or cookies and cream bars.
- The blondies can be frozen for up to 3 months. Thaw at room temperature before serving.
- For perfect squares, wipe your knife clean between cuts.
- Prep Time: 25 minutes
- Cook Time: 30 minutes
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