When you’re craving all the classic flavors of a campfire treat but want the convenience of baking at home, S’mores Cookie Bars are the perfect solution. These delectable bars bring together buttery graham crackers, soft cookie dough, gooey marshmallows, and rich chocolate in one irresistible dessert.

Table of Contents
A unique, recipe-specific section about what makes it great
These S’mores Cookie Bars are an ingenious way to bring a bit of outdoor fun into your home kitchen. The buttery layers of graham cracker crumbs provide a delightful crunch, while the chocolate and marshmallow meld into a gooey, rich center. Not only do they taste incredible, but their perfect bar shape makes them easy to share at parties or family gatherings.
Equipment you’ll use
- 13×9-inch baking pan
- Parchment paper or aluminum foil
- Large mixing bowl
- Hand mixer or stand mixer
- Spatula
Ingredients
- 9 graham cracker sheets
- 1/2 cup unsalted butter, softened
- 1/2 cup granulated sugar
- 1/4 cup packed light brown sugar
- 1 large egg
- 1/2 teaspoon vanilla extract
- 1 1/4 cups all-purpose flour
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1 cup mini marshmallows
- 3 full-size milk chocolate bars, broken into squares
Step-by-step instructions
- Preheat your oven to 350°F. Line a 13×9-inch baking pan with parchment paper or foil and lightly coat with nonstick spray.
- Arrange graham cracker sheets in a single layer on the bottom of the pan, trimming as necessary to fit.
- In a large mixing bowl, cream together the butter, granulated sugar, and brown sugar until smooth and fluffy.
- Add the egg and vanilla extract, mixing until fully blended.
- In another bowl, whisk together the flour, baking soda, and salt. Gradually incorporate these dry ingredients into the wet mixture until well combined.
- Gently fold in the mini marshmallows, distributing them evenly throughout the dough.
- Drop spoonfuls of dough over the graham cracker base, spreading it out evenly without shifting the graham crackers.
- Press the chocolate bar pieces lightly into the surface of the dough.
- Bake for 18 to 20 minutes, or until the cookie layer is golden and set.
- Let the bars cool completely in the pan before lifting out and slicing into portions.
Tips, troubleshooting, and common mistakes
To avoid overly crumbly bars, ensure the graham crackers lay flat and are trimmed to fit snugly. If the marshmallows melt too quickly, try using frozen mini marshmallows to slow down the melting process. Check the bars around the 18-minute mark; they should be golden but not overly brown.
Pairing ideas and variations
Serve your S’mores Cookie Bars with a cold glass of milk or a scoop of vanilla ice cream. For a twist, try using dark chocolate or adding a pinch of cinnamon to the batter. If you want a nuttier flavor, sprinkle some crushed walnuts on top before baking.
FAQs about S’mores Cookie Bars
How do I store S’mores Cookie Bars?
Can I freeze S’mores Cookie Bars?
What’s the best way to melt the chocolate?
Conclusion
Crafting S’mores Cookie Bars is like capturing a piece of summer magic in your kitchen. The contrast of crunchy graham crackers, rich chocolate, and fluffy marshmallows is pure perfection. Whether you’re sharing them with friends or savoring them yourself, these bars are a joyful treat that harkens back to childhood campfires and cozy memories. Enjoy the delightful taste with loved ones and watch these sweet treats disappear!
More Delicious Recipes
- Brownie Raspberry Swirl Ice Cream Sandwiches: A delightful combination of rich brownie and fruity raspberry ice cream that adds a nostalgic twist to traditional desserts.
- Oreo Truffles: These no-bake chocolate-covered treats are a sweet ode to classic flavors, perfect for sharing at parties.
- Frozen Chocolate Banana Pops: A fun and easy dessert that highlights playful flavors with a crunchy chocolate coating over fresh bananas.

S’mores Cookie Bars
Ingredients
Equipment
Method
- Preheat your oven to 350°F. Line a 13×9-inch baking pan with parchment paper or foil and lightly coat with nonstick spray.
- Arrange graham cracker sheets in a single layer on the bottom of the pan, trimming as needed to fit.
- In a large mixing bowl, cream together the softened butter, granulated sugar, and brown sugar until smooth and fluffy.
- Beat in the egg and vanilla until fully blended.
- In a separate bowl, whisk together the flour, baking soda, and salt. Gradually add the dry ingredients to the wet mixture, stirring until combined.
- Fold in the mini marshmallows until evenly distributed throughout the dough.
- Drop spoonfuls of dough across the graham cracker layer and gently spread it out as evenly as possible without shifting the crackers.
- Press chocolate bar pieces gently into the top of the dough.
- Bake for 18 to 20 minutes, or until the cookie layer is golden and set.
- Cool completely in the pan before lifting out and slicing into bars.






