There’s nothing quite like the cozy nostalgia of s’mores—but who says you need a campfire to enjoy them? These S’mores Cookie Bars bring all the gooey goodness of marshmallows, melty chocolate, and crunchy graham crackers into an easy, shareable dessert you can bake right in your oven. With a buttery cookie base and perfectly chewy texture, they’re the ultimate treat for family gatherings, parties, or a weeknight pick-me-up. One bite and you’ll be transported straight back to summer nights under the stars—no skewers required.

How to Make the Perfect S’mores Cookie Bars
Ingredients
To create these delightful S’mores Cookie Bars, you’ll need a few simple ingredients that come together to evoke the nostalgic flavors of classic s’mores. Here’s what you’ll need:
- 1 cup unsalted butter, softened: This adds richness and helps create a soft, chewy texture.
- 1 cup brown sugar: For that deep, caramel-like sweetness.
- 1/2 cup granulated sugar: Balances the flavors and adds a bit of crunch.
- 2 large eggs: Essential for binding the ingredients together.
- 1 teaspoon vanilla extract: Enhances the overall flavor profile.
- 2 1/2 cups all-purpose flour: The base of your cookie bars.
- 1 teaspoon baking soda: Helps the bars rise and become fluffy.
- 1/2 teaspoon salt: Balances the sweetness.
- 1 cup chocolate chips: The gooey chocolate that melts beautifully.
- 1 cup mini marshmallows: For that classic s’mores experience.
- 1 cup graham cracker crumbs: The key ingredient that gives these bars their signature flavor.
Feel free to swap out the butter for coconut oil for a dairy-free version, or use gluten-free flour if you need a gluten-free option. You can also add in some chopped nuts or different types of chocolate for a unique twist!
Step-by-Step Instructions
Now that you have your ingredients ready, let’s dive into the step-by-step process of making these S’mores Cookie Bars:
- Preheat your oven: Set it to 350°F (175°C) and grease a 9×13 inch baking pan.
- Cream the butter and sugars: In a large bowl, mix the softened butter, brown sugar, and granulated sugar until smooth and fluffy.
- Add eggs and vanilla: Incorporate the eggs and vanilla extract, mixing until well combined.
- Mix dry ingredients: In another bowl, whisk together the flour, baking soda, and salt.
- Combine wet and dry ingredients: Gradually add the dry mixture to the wet ingredients, mixing until just combined.
- Fold in the goodies: Gently fold in the chocolate chips, mini marshmallows, and graham cracker crumbs.
- Spread the mixture: Evenly distribute the batter in the prepared baking pan.
- Bake: Place in the oven and bake for 25-30 minutes or until the edges are golden brown and the center is set.
- Cool and cut: Allow to cool before cutting into bars.
As you bake, the aroma of melting chocolate and toasted marshmallows will fill your kitchen, making it hard to resist sneaking a taste before they cool!
Introduction to S’mores Cookie Bars
There’s something magical about gathering around a table filled with sweet treats, and for me, S’mores Cookie Bars hold a special place in my heart. I remember the first time I made these bars for a family picnic. As the sun began to set, the air filled with laughter and the sweet aroma of melting chocolate and toasted marshmallows wafted through the park. Everyone eagerly awaited their turn to indulge in these delightful bars, and the joy on their faces was priceless.
These S’mores Cookie Bars are a perfect blend of nostalgia and convenience, capturing the essence of classic s’mores in a simple, shareable format. Imagine biting into a warm, gooey bar where the rich chocolate mingles with fluffy marshmallows and crunchy graham cracker crumbs. The texture is a delightful contrast—soft and chewy with a hint of crispness on the edges. Each bite transports you back to those carefree summer nights spent around a campfire, making memories with loved ones.
Whether you’re hosting a casual get-together or simply looking to sweeten your weeknight dessert routine, these bars are sure to impress. They’re not just a treat; they’re a way to bring people together, creating moments that linger long after the last crumb is gone. So, let’s dive into this irresistible recipe and discover how to make your own batch of S’mores Cookie Bars!
What is S’mores Cookie Bars?
The delightful S’mores Cookie Bars are a modern twist on the classic campfire treat known as s’mores. Originating in the United States, s’mores have been a beloved part of outdoor gatherings since the early 20th century. The traditional recipe consists of roasted marshmallows and a piece of chocolate sandwiched between two graham crackers, creating a sweet indulgence that captures the essence of summer nights spent around a crackling fire.
These cookie bars take that nostalgic flavor and transform it into a convenient, shareable dessert that’s perfect for any occasion. Imagine the joy of biting into a warm, gooey bar that combines the rich taste of chocolate, the fluffy texture of marshmallows, and the crunch of graham crackers—all in one delicious bite. It’s like capturing the spirit of a campfire gathering and bringing it right into your kitchen!
In American culture, s’mores are more than just a treat; they symbolize togetherness and the simple pleasures of life. Whether it’s a family camping trip, a backyard barbecue, or a cozy evening with friends, s’mores have a way of sparking joy and creating lasting memories. The S’mores Cookie Bars embody this tradition, making it easier to enjoy those nostalgic flavors without the need for a campfire.
So, whether you’re reminiscing about childhood camping trips or simply looking for a sweet indulgence to share with loved ones, these cookie bars are sure to evoke those warm, fuzzy feelings associated with summer nights and cherished moments. Let’s celebrate the spirit of s’mores in a new, exciting way!
Why You’ll Love This S’mores Cookie Bars
These S’mores Cookie Bars are not just a dessert; they’re a delightful experience that brings joy to any gathering. Here’s why you’ll fall in love with them:
- Convenience of a bar format: No need for messy assembly! Just cut and serve, making them perfect for parties and gatherings.
- Rich, gooey flavor: Each bite is a heavenly combination of melted chocolate, fluffy marshmallows, and crunchy graham crackers that will have you reaching for seconds.
- Healthier dessert option: Compared to traditional s’mores, these bars offer a more controlled portion size while still delivering that sweet indulgence.
- Family-friendly appeal: Kids and adults alike will adore these bars, making them a hit for family gatherings and playdates.
- Perfect for any occasion: Whether it’s a casual get-together, a birthday party, or a festive celebration, these bars fit right in!
Who It’s For
These S’mores Cookie Bars are ideal for busy families looking for quick and easy dessert solutions, dessert lovers who crave sweet treats, and anyone seeking crowd-pleasing recipes that are simple to make. If you enjoy bringing people together over delicious food, this recipe is for you!
When to Cook It
There’s never a wrong time for S’mores Cookie Bars! Enjoy them as a weeknight treat to brighten up your evening, serve them at birthday parties to delight guests, pack them for summer picnics, or bring them to holiday gatherings to spread cheer. They’re versatile enough to fit any occasion!

How to Make the Perfect S’mores Cookie Bars
Ingredients
To create these delightful S’mores Cookie Bars, you’ll need a few simple ingredients that come together to evoke the nostalgic flavors of classic s’mores. Here’s what you’ll need:
- 1 cup unsalted butter, softened: This adds richness and helps create a soft, chewy texture.
- 1 cup brown sugar: For that deep, caramel-like sweetness.
- 1/2 cup granulated sugar: Balances the flavors and adds a bit of crunch.
- 2 large eggs: Essential for binding the ingredients together.
- 1 teaspoon vanilla extract: Enhances the overall flavor profile.
- 2 1/2 cups all-purpose flour: The base of your cookie bars.
- 1 teaspoon baking soda: Helps the bars rise and become fluffy.
- 1/2 teaspoon salt: Balances the sweetness.
- 1 cup chocolate chips: The gooey chocolate that melts beautifully.
- 1 cup mini marshmallows: For that classic s’mores experience.
- 1 cup graham cracker crumbs: The key ingredient that gives these bars their signature flavor.
Feel free to swap out the butter for coconut oil for a dairy-free version, or use gluten-free flour if you need a gluten-free option. You can also add in some chopped nuts or different types of chocolate for a unique twist!
Step-by-Step Instructions
Now that you have your ingredients ready, let’s dive into the step-by-step process of making these S’mores Cookie Bars:
- Preheat your oven: Set it to 350°F (175°C) and grease a 9×13 inch baking pan.
- Cream the butter and sugars: In a large bowl, mix the softened butter, brown sugar, and granulated sugar until smooth and fluffy.
- Add eggs and vanilla: Incorporate the eggs and vanilla extract, mixing until well combined.
- Mix dry ingredients: In another bowl, whisk together the flour, baking soda, and salt.
- Combine wet and dry ingredients: Gradually add the dry mixture to the wet ingredients, mixing until just combined.
- Fold in the goodies: Gently fold in the chocolate chips, mini marshmallows, and graham cracker crumbs.
- Spread the mixture: Evenly distribute the batter in the prepared baking pan.
- Bake: Place in the oven and bake for 25-30 minutes or until the edges are golden brown and the center is set.
- Cool and cut: Allow to cool before cutting into bars.
As you bake, the aroma of melting chocolate and toasted marshmallows will fill your kitchen, making it hard to resist sneaking a taste before they cool!
For People with Diabetes: Sugar Substitutes
If you’re looking to enjoy S’mores Cookie Bars while managing sugar intake, consider these suitable sugar substitutes:
- Stevia: A natural sweetener that has no calories.
- Monk fruit: Another natural option that is low in calories and has a sweet taste.
- Erythritol: A sugar alcohol that provides sweetness without the calories.
- Allulose: A low-calorie sugar that mimics the taste and texture of sugar.
It’s best to avoid using honey or maple syrup in this recipe, as they can significantly alter the texture and sweetness balance of the bars.
Tools You’ll Need
Before you start whipping up your delicious S’mores Cookie Bars, gather these essential tools to make the process smooth and enjoyable:
- Mixing bowls: A set of various sizes will help you mix your wet and dry ingredients separately. If you don’t have a large bowl, a sturdy pot can work in a pinch!
- Baking pan: A 9×13 inch baking pan is ideal for this recipe. If you don’t have one, you can use two smaller pans or even a round cake pan—just adjust the baking time accordingly.
- Spatula: A rubber or silicone spatula is perfect for folding in the chocolate chips and marshmallows. If you don’t have one, a wooden spoon will do just fine!
- Whisk: For mixing your dry ingredients, a whisk helps to combine everything evenly. If you’re in a bind, a fork can also work to break up any clumps.
- Measuring cups and spoons: Accurate measurements are key to baking success. If you don’t have a set, you can use a standard coffee mug for dry ingredients and a tablespoon for smaller measurements.
- Parchment paper (optional): Lining your baking pan with parchment paper makes for easy removal of the bars. If you don’t have any, just be sure to grease the pan well!
With these tools at your side, you’ll be well-equipped to create the most scrumptious S’mores Cookie Bars that will delight your family and friends!
Tips from Well-Known Chefs
When it comes to baking the perfect S’mores Cookie Bars, I’ve gathered some invaluable tips from renowned chefs and baking experts that will elevate your dessert game. These hacks will help you achieve the best texture and flavor, ensuring your bars are a hit at any gathering!
- Use high-quality chocolate: Chef Jacques Torres, known as the “Chocolate King,” emphasizes the importance of using good chocolate. Opt for a rich dark chocolate or gourmet chocolate chips to enhance the flavor of your bars. The better the chocolate, the more indulgent your S’mores Cookie Bars will taste!
- Don’t overmix the batter: Renowned pastry chef Christina Tosi advises against overmixing your cookie dough. This can lead to tough bars instead of the soft, chewy texture we all love. Mix until just combined for the best results.
- Chill the dough: Many bakers, including the famous Ina Garten, recommend chilling your dough for at least 30 minutes before baking. This helps the flavors meld together and results in a thicker, chewier bar. Plus, it prevents the bars from spreading too much while baking!
- Add a sprinkle of sea salt: Chef Alton Brown suggests finishing your S’mores Cookie Bars with a light sprinkle of flaky sea salt right before serving. This contrast enhances the sweetness and adds a delightful crunch.
- Experiment with flavors: Baking expert Dorie Greenspan encourages creativity in the kitchen. Feel free to add a pinch of cinnamon or a splash of espresso powder to your batter for a unique twist on the classic flavor profile.
By incorporating these chef-approved tips, you’ll be well on your way to creating S’mores Cookie Bars that are not only delicious but also memorable. So, roll up your sleeves and get ready to impress your family and friends with your baking prowess!
Delicious Variations to Customize Your S’mores Cookie Bars
One of the best things about S’mores Cookie Bars is their versatility! You can easily customize them to suit your taste preferences or dietary needs. Here are some delightful variations to consider:
Flavor Modifications
- Peanut Butter Swirl: For a nutty twist, swirl in 1/2 cup of creamy peanut butter into the batter before baking. The combination of chocolate and peanut butter is simply irresistible!
- Dark Chocolate Delight: Swap out regular chocolate chips for dark chocolate chips or chunks. This adds a rich, sophisticated flavor that pairs beautifully with the sweetness of the marshmallows.
- Fruit Infusion: Add 1/2 cup of chopped strawberries, raspberries, or bananas to the batter for a fruity twist. The natural sweetness of the fruit complements the s’mores flavors perfectly.
- Minty Fresh: Incorporate 1/2 teaspoon of peppermint extract into the batter for a refreshing minty flavor. Top with crushed peppermint candies for an extra festive touch!
- Spiced Up: Add a pinch of cinnamon or nutmeg to the dry ingredients for a warm, spiced flavor that enhances the overall taste of your bars.
Dietary Modifications
- Gluten-Free Option: Substitute all-purpose flour with a gluten-free flour blend. Make sure to check that your graham cracker crumbs are also gluten-free to maintain the integrity of the recipe.
- Vegan Alternative: Replace the butter with coconut oil or vegan butter, use flax eggs (1 tablespoon ground flaxseed mixed with 2.5 tablespoons water per egg), and choose dairy-free chocolate chips and marshmallows for a completely vegan version.
- Lower Sugar Version: Use sugar substitutes like stevia or monk fruit to reduce the sugar content while still enjoying the sweet flavors of your S’mores Cookie Bars.
With these delicious variations, you can make your S’mores Cookie Bars uniquely yours! Whether you’re catering to dietary restrictions or simply experimenting with flavors, the possibilities are endless. So, get creative and enjoy the process of making these delightful treats!

Top Tips for Perfecting Your S’mores Cookie Bars
Creating the ultimate S’mores Cookie Bars is an art that balances gooeyness with structure. Here are some expert techniques and cultural secrets to help you achieve that perfect bite:
- Use Room Temperature Ingredients: Ensure your butter and eggs are at room temperature before mixing. This helps create a smooth batter that incorporates air, leading to a lighter texture in your bars.
- Don’t Overbake: Keep a close eye on your bars as they bake. The edges should be golden brown, while the center may look slightly underbaked. They will continue to set as they cool, ensuring a gooey, chewy texture.
- Layering Technique: For an extra gooey experience, consider layering the chocolate chips and mini marshmallows. Spread half of the batter in the pan, sprinkle with chocolate and marshmallows, then top with the remaining batter. This creates pockets of melted goodness throughout!
- Chill Before Cutting: Allow your S’mores Cookie Bars to cool completely in the pan before cutting. For even cleaner cuts, refrigerate them for about 30 minutes. This helps the bars hold their shape and makes for beautiful presentation.
- Incorporate Cultural Elements: Traditional s’mores often include a hint of smokiness from the campfire. To mimic this flavor, you can add a touch of smoked sea salt on top of your bars before baking. This subtle addition enhances the overall flavor profile and pays homage to the classic treat.
- Experiment with Add-Ins: Don’t hesitate to get creative! Adding crushed pretzels or toffee bits can introduce a delightful crunch that complements the soft marshmallows and chocolate. This nods to the idea of s’mores being a customizable treat.
By following these tips, you’ll be well on your way to mastering the art of S’mores Cookie Bars. Each bite will be a perfect blend of gooey, chewy, and crunchy, reminiscent of those cherished campfire moments!
Storing and Reheating Tips
Once you’ve baked a batch of S’mores Cookie Bars, you’ll want to ensure they stay fresh and delicious for as long as possible. Here’s how to store and reheat them to maintain that gooey goodness:
Storing Your S’mores Cookie Bars
- Room Temperature: If you plan to enjoy your S’mores Cookie Bars within a few days, simply store them in an airtight container at room temperature. This keeps them soft and chewy, perfect for snacking!
- Refrigerator: For longer storage, place the bars in an airtight container and refrigerate. They can last up to a week this way. Just be aware that refrigeration may slightly alter the texture, making them a bit firmer.
- Freezer: To keep your bars for an extended period, wrap them tightly in plastic wrap and then place them in a freezer-safe container. They can be frozen for up to three months. When you’re ready to enjoy them, simply thaw them in the refrigerator overnight.
Reheating Your S’mores Cookie Bars
To bring back that warm, gooey texture, reheating is key. Here are some tips:
- Microwave: Place a bar on a microwave-safe plate and heat for about 10-15 seconds. This will warm it up nicely without making it too hot. Keep an eye on it to avoid melting the chocolate too much!
- Oven: Preheat your oven to 350°F (175°C). Wrap the bars in aluminum foil and heat for about 5-10 minutes. This method helps maintain the chewy texture while reviving the gooeyness of the marshmallows.
- Air Fryer: If you have an air fryer, you can reheat your bars at 300°F (150°C) for about 3-5 minutes. This method gives a nice crispness to the edges while keeping the center soft.
By following these storing and reheating tips, you can enjoy your S’mores Cookie Bars at their best, whether it’s the day they’re baked or weeks later. So go ahead, make a big batch, and savor the sweet moments with family and friends!
Helpful Notes
As you embark on your journey to create the perfect S’mores Cookie Bars, here are some helpful notes to ensure your baking experience is smooth and enjoyable:
Ingredient Prep Tips
- Crushing Graham Crackers: To achieve the ideal graham cracker crumbs, place the crackers in a resealable plastic bag and use a rolling pin to crush them into fine crumbs. Alternatively, you can pulse them in a food processor for a quicker method. Aim for a texture similar to sand—this will help create that signature crust in your bars.
- Measuring Flour Accurately: For the best results, spoon the flour into your measuring cup and level it off with a knife. Avoid scooping directly from the bag, as this can compact the flour and lead to using too much. Accurate measurements are crucial for achieving the right texture in your S’mores Cookie Bars.
- Softening Butter: If you forget to take your butter out of the fridge ahead of time, you can soften it quickly by cutting it into small cubes and letting it sit at room temperature for about 15-20 minutes. Alternatively, you can microwave it on low power in 5-second intervals, but be careful not to melt it!
Cultural Connections
The tradition of enjoying s’mores dates back to the early 1900s, with the first recorded recipe appearing in a Girl Scouts publication in 1927. This beloved treat has since become synonymous with summer camping trips and backyard bonfires, evoking feelings of nostalgia and togetherness. By making S’mores Cookie Bars, you’re not just baking a dessert; you’re participating in a cultural legacy that celebrates the joy of sharing sweet moments with loved ones.
As you prepare these bars, think about the memories you want to create. Whether it’s a family gathering, a picnic with friends, or a cozy night in, these cookie bars are a delicious way to honor the spirit of s’mores and the connections they foster. So gather your ingredients, embrace the process, and enjoy every bite of your homemade S’mores Cookie Bars!
Common Mistakes to Avoid
When making S’mores Cookie Bars, it’s easy to get caught up in the excitement and overlook a few key details. Here are some common pitfalls to watch out for to ensure your bars turn out perfectly every time:
- Overmixing the Batter: Mixing too much can lead to tough bars instead of the soft, chewy texture we all love. Mix until just combined for the best results.
- Not Greasing the Pan Properly: Failing to grease your baking pan can result in sticky bars that are difficult to remove. Use cooking spray or line the pan with parchment paper for easy removal.
- Using Cold Ingredients: Cold butter and eggs can lead to uneven mixing and a dense texture. Make sure your butter is softened and your eggs are at room temperature for optimal results.
- Overbaking: Keep a close eye on your bars as they bake. They should be golden brown around the edges but still slightly soft in the center. Overbaking can lead to dry bars.
- Skipping the Cooling Time: Allowing your bars to cool completely in the pan before cutting is essential. Cutting too soon can result in messy, crumbly bars.
- Ignoring Ingredient Quality: Using low-quality chocolate or marshmallows can affect the overall flavor of your S’mores Cookie Bars. Opt for high-quality ingredients for the best taste.
By avoiding these common mistakes, you’ll be well on your way to creating delicious S’mores Cookie Bars that will impress your family and friends!
FAQs About S’mores Cookie Bars
As you embark on your journey to create the perfect S’mores Cookie Bars, you might have a few questions. Here are some common queries answered to help you along the way:
- Can I make these bars ahead of time? Yes! You can prepare the S’mores Cookie Bars a day in advance. Just store them in an airtight container at room temperature to keep them fresh.
- Can I freeze S’mores Cookie Bars? Yes, absolutely! Wrap the bars tightly in plastic wrap and place them in a freezer-safe container. They can be frozen for up to three months. Just thaw them in the refrigerator before serving.
- Are these bars suitable for a gluten-free diet? It depends. You can easily make S’mores Cookie Bars gluten-free by substituting all-purpose flour with a gluten-free flour blend and ensuring your graham cracker crumbs are gluten-free.
- Can I use different types of chocolate? Yes! Feel free to experiment with different types of chocolate, such as dark chocolate, milk chocolate, or even white chocolate, to customize the flavor of your S’mores Cookie Bars.
- Do I have to use mini marshmallows? No, you can use regular-sized marshmallows if you prefer. Just cut them into smaller pieces to ensure they distribute evenly throughout the bars.

Conclusion: Final Thoughts on S’mores Cookie Bars
As I reflect on the joy that S’mores Cookie Bars bring to gatherings, I can’t help but smile. These bars are more than just a dessert; they are a bridge that connects us to cherished memories and the laughter shared with loved ones. Each bite is a reminder of summer nights spent around a campfire, where stories are told, and bonds are strengthened over gooey marshmallows and rich chocolate.
I encourage you to try this recipe and experience the magic for yourself. Whether you’re baking for a family gathering, a picnic with friends, or simply to indulge your sweet tooth, these bars are sure to delight. Don’t forget to share your experiences in the comments below! I would love to hear how your S’mores Cookie Bars turned out and any creative twists you added.
If you enjoyed this recipe, please consider sharing it on social media. Let’s spread the joy of baking and the love of delicious treats together! Happy baking, and may your kitchen be filled with warmth, laughter, and the sweet aroma of S’mores Cookie Bars!
Print
S’mores Cookie Bars
- Total Time: 45 minutes
- Yield: 24 bars 1x
- Diet: Vegetarian
Description
Delicious S’mores Cookie Bars that combine the classic flavors of s’mores in a convenient bar form, perfect for gatherings.
Ingredients
- 1 cup unsalted butter, softened
- 1 cup brown sugar
- 1/2 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 2 1/2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup chocolate chips
- 1 cup mini marshmallows
- 1 cup graham cracker crumbs
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan.
- In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until smooth.
- Add the eggs and vanilla extract, mixing until well combined.
- In another bowl, whisk together the flour, baking soda, and salt.
- Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
- Fold in the chocolate chips, mini marshmallows, and graham cracker crumbs.
- Spread the mixture evenly in the prepared baking pan.
- Bake for 25-30 minutes or until golden brown.
- Allow to cool before cutting into bars.
Notes
- For extra gooeyness, add more mini marshmallows on top before baking.
- Store leftovers in an airtight container for up to a week.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 200
- Sugar: 15g
- Sodium: 150mg
- Fat: 8g
- Saturated Fat: 5g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 30g
- Fiber: 1g
- Protein: 2g
- Cholesterol: 30mg
Keywords: S’mores Cookie Bars
