Kit-Kat S’mores Bars offer a delightful twist on a classic campfire treat, blending the beloved flavors of s’mores with the irresistible crunch of Kit-Kat chocolate-covered wafers. This innovative dessert mash-up brings together gooey marshmallows, rich chocolate, and crisp graham crackers, all enhanced by the distinctive texture and taste of Kit-Kats. It’s the perfect solution for satisfying your s’mores cravings without needing a blazing fire, making it an ideal indulgence for any time, anywhere.
If you’re a fan of s’mores-inspired desserts, you’ll be thrilled to explore more delicious creations that capture that unique blend of toasted marshmallow, melted chocolate, and crunchy graham cracker. Be sure to try our S’mores Popcorn for a salty-sweet snack, our S’mores Banana Boats for a fruity campfire delight, and our S’mOreos – an ultimate Oreo S’mores experience! These recipes prove that the magic of s’mores can be enjoyed in countless creative forms.

Effortless S’mores Dessert Bars for Every Occasion
While s’mores are undeniably synonymous with starry nights and crackling campfires, who says you need to venture into the wilderness to revel in their sticky, chocolatey goodness? These Kit-Kat S’mores Bars liberate you from the need for a campfire, transforming the beloved classic into a convenient and utterly irresistible dessert bar format. They are an absolute game-changer for anyone craving that nostalgic s’mores taste, delivering comfort and joy right from your kitchen oven.
These bars are truly fantastic anytime, anywhere. Imagine serving them at your next family gathering, a casual potluck, or as a special treat for a movie night. They’re particularly wonderful during the autumn months; with Halloween just around the corner, these bars present a fantastic opportunity to repurpose any leftover candy you might have, adding an extra layer of fun to your seasonal baking. The unique inclusion of Kit-Kats elevates these bars, providing not just the essential chocolate element but also a delightful crispy wafer crunch that sets them apart from traditional s’mores.
Every bite of these Kit-Kat S’mores Bars delivers the perfect balance of textures and flavors. You’ll find the comforting chewiness of miniature marshmallows, the wholesome crunch of crushed graham crackers forming the base and crumble, and the undeniable snap of Kit-Kat wafers, all harmoniously baked into a golden-brown dessert. They are incredibly easy to prepare, making them an ideal recipe for both seasoned bakers and beginners looking for a simple yet impressive sweet treat. The process is straightforward, yielding a dessert that looks as inviting as it tastes, ensuring smiles all around.

Essential Ingredients for Your S’mores Bars
Crafting these irresistible s’mores dessert bars requires just a handful of straightforward ingredients, most of which you likely already have in your pantry. Each component plays a vital role in achieving that perfect balance of sweetness, texture, and flavor that makes these bars truly special.
- Unsalted butter: Ensure your butter is softened to room temperature. This crucial step allows it to cream smoothly with the sugar, creating a light and airy base for your dough. Softened butter emulsifies better, leading to a more consistent and tender bar.
- Granulated sugar: This provides the foundational sweetness for the cookie base, balancing the richness of the chocolate and the slight tartness of the graham crackers.
- Egg: A single large egg acts as a binder, giving the s’mores bars structure and helping the dough hold together. It also contributes to the rich flavor and tender texture.
- Vanilla extract: A splash of pure vanilla extract enhances all the other flavors, adding a warm, aromatic note that elevates the overall taste profile of the dessert.
- Graham crackers: Crushed graham crackers are essential, forming a significant part of the dough and providing that signature s’mores crunch and subtly spiced flavor in every bite. They are the backbone of the s’mores experience.
- All-purpose flour: For the best results, spoon and level your all-purpose flour. This method ensures accurate measuring, preventing the dough from becoming too dense or dry due to excess flour. It provides the necessary structure to the bar.
- Kosher salt: A small amount of kosher salt is added to balance the sweetness, bringing out the depth of the chocolate and marshmallow flavors. Don’t skip this, as it brightens the entire dessert.
- Baking powder: This leavening agent gives the bars a slight lift, contributing to a lighter, more tender crumb rather than a dense, heavy texture.
- Mini Kit-Kat bars: The star ingredient! Crushed mini Kit-Kat bars are generously sprinkled over the dough, infusing each bar with their distinctive milk chocolate and crispy wafer layers. This provides the unique crunch and chocolatey goodness that defines this recipe.
- Miniature marshmallows: You’ll need plenty of miniature marshmallows. These are key to achieving the gooey, melt-in-your-mouth texture that is synonymous with s’mores. When baked, they become beautifully golden and delightfully sticky.
Gathering these simple ingredients is the first step towards creating a truly memorable dessert that combines beloved elements in a new and exciting way.

How to Bake Delectable Kit Kat S’mores Bars
These dessert bars are wonderfully straightforward to assemble, requiring just a few easy steps. You’ll be amazed at how quickly you can transform simple ingredients into a show-stopping treat that everyone will adore. Follow these instructions carefully for the best results, and get ready to enjoy a taste of pure s’mores bliss.
- Prepare the Oven and Baking Dish: Begin by preheating your oven to 350°F (175°C). Next, line an 8-inch square baking pan with parchment paper. Allow a slight overhang on two sides of the parchment paper; this thoughtful detail will make removing the sticky bars from the pan incredibly easy after baking. This step is crucial for a clean release.
- Create the Dough: In a large mixing bowl, using an electric mixer, beat the softened unsalted butter and granulated sugar together until the mixture is light, fluffy, and well creamed. This usually takes about 2 minutes. Incorporate the large egg and vanilla extract, mixing until they are fully combined. Now, add the crushed graham crackers, all-purpose flour, kosher salt, and baking powder. Mix on a low speed until all the dry ingredients are just incorporated into the wet mixture. The dough will have a sticky consistency, which is perfectly normal.
- Assemble the Layers: Lightly coat the back of a spatula with nonstick cooking spray to prevent sticking. Carefully spread half of the prepared dough evenly into the bottom of your parchment-lined baking pan. This will form your sturdy base. Over this dough layer, generously sprinkle the crushed Kit-Kat pieces, ensuring they are distributed across the surface. Follow this with an even layer of miniature marshmallows. For the top layer, take pieces of the remaining dough and flatten them gently with your hands before placing them on top of the marshmallows. Don’t worry about covering every marshmallow perfectly; leaving some exposed will create a beautiful, cobbled, and inviting appearance as the bars bake, allowing some marshmallows to toast beautifully.
- Bake to Golden Perfection: Place your assembled bars in the preheated oven and bake for approximately 25 minutes, or until the top is golden brown and the marshmallows are puffed and lightly toasted. Keep an eye on them to ensure they don’t over-brown. Once baked, remove the pan from the oven and allow the bars to cool completely on a wire rack before attempting to cut them. Cooling completely is essential for clean slices and for the layers to set properly. Once cooled, slice them into bars and savor every delightful bite!
PRO TIP: Utilize Parchment Paper
I cannot stress enough the importance of lining your baking dish with parchment paper. Marshmallows, when melted and cooled, can become incredibly sticky. Parchment paper acts as a non-stick barrier, making the removal of your baked Kit-Kat S’mores Bars from the pan a breeze, preventing any frustrating sticking or tearing. It ensures your beautiful bars stay intact.
Following these steps will ensure you create a batch of Kit-Kat S’mores Bars that are not only delicious but also beautifully presented and easy to manage. Enjoy the baking process and the sweet reward!

Storage and Reheating Tips for Your S’mores Bars
To maintain the freshness and delightful texture of your Kit-Kat S’mores Bars, proper storage is key. Whether you plan to enjoy them over a few days or save some for later, these guidelines will help ensure your bars remain as delicious as they were fresh out of the oven.
- Refrigeration: While these s’mores bars are fantastic enjoyed warm, once they have cooled completely to room temperature, they should be stored in the refrigerator. Place them in an airtight container or wrap them tightly with plastic wrap to prevent them from drying out. When stored correctly, they will maintain their quality for up to 5 days. Chilling also helps the bars set, making them easier to handle and less sticky.
- Freezing for Longer Storage: If you’ve made a large batch or wish to save some for a future craving, these bars freeze beautifully. After they have cooled completely, transfer them to a freezer-safe plastic bag or an airtight freezer-safe container. Ensure as much air as possible is removed from the bag to prevent freezer burn. They can be frozen for up to 2 months. To thaw, simply transfer them to the refrigerator overnight or allow them to come to room temperature on the counter for a few hours.
- Rewarming for that Fresh-Baked Feel: If you prefer your s’mores bars warm and gooey, much like a freshly made s’more, you can easily rewarm them. Place an individual bar on a microwave-safe plate and heat it in the microwave at 50% power for 5-10 seconds. This gentle heating method will soften the chocolate and marshmallows without making the bar too hot or chewy, restoring that perfect warm s’mores experience. Adjust timing based on your microwave and desired warmth.
With these storage and rewarming tips, you can extend the enjoyment of your Kit-Kat S’mores Bars, ensuring every bite is as delicious as the first.
More Irresistible Dessert Bars to Explore:
If you’ve fallen in love with the convenience and deliciousness of dessert bars, you’re in for a treat! There’s a whole world of bar recipes out there, perfect for sharing, gifting, or simply indulging in. Here are some other fantastic dessert bar recipes that are sure to become new favorites in your baking repertoire:
- Classic 7 Layer Bars: A beloved recipe featuring a magical combination of butterscotch chips, chocolate chips, coconut, pecans, and a graham cracker crust, all condensed milk-bound.
- Bright and Zesty Lemon Bars: Perfect for those who love a tangy and sweet treat, these bars feature a vibrant lemon curd filling atop a buttery shortbread crust.
- Comforting Apple Pie Bars: All the flavors of a traditional apple pie in an easy-to-serve bar form, complete with a delightful crumble topping.
- Chewy Snickerdoodle Cookie Bars: The beloved cinnamon-sugar cookie transformed into a soft, chewy bar, ideal for feeding a crowd.
- Decadent Praline Crunch Bars: A rich and nutty treat with a satisfying crunch, these bars are perfect for a special occasion or a sophisticated sweet craving.
These diverse recipes offer something for every palate and occasion, making dessert bars a versatile and rewarding category in home baking.
Kit-Kat S’mores Bars
15 mins
25 mins
40 mins
9 bars
Kit-Kat S’mores Bars are one great dessert mash-up with the flavors of s’mores and a cookie crunch from everyone’s favorite chocolate-covered wafer!
Ingredients
- 1/2 cup unsalted butter, softened
- 1/2 cup granulated sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 5 sheets graham crackers, crushed
- 3/4 cup all-purpose flour, spooned and leveled
- 1/4 teaspoon kosher salt
- 1 teaspoon baking powder
- 16 mini Kit-Kat bars, crushed
- 1 cup mini marshmallows
Instructions
- Preheat the oven to 350°F (175°C). Line an 8-inch square baking pan with parchment paper, leaving a slight overhang on two sides for easy removal.
- In a large bowl, using an electric mixer, beat the butter and sugar together until smooth and creamy (about 2 minutes). Mix in the egg and vanilla until incorporated. Add the crushed graham crackers, flour, salt, and baking powder, mixing on low speed until just combined. The dough will be sticky.
- Coat the back of a spatula with nonstick spray. Spread half of the dough evenly into the prepared pan. Sprinkle the crushed Kit-Kat pieces over the dough, followed by the miniature marshmallows. Flatten pieces of the remaining dough and gently place them on top of the marshmallows, leaving some marshmallows exposed for a rustic, cobbled look when baked.
- Bake for approximately 25 minutes, or until the top is golden brown. Let the bars cool completely in the pan before lifting out by the parchment paper, cutting into squares, and serving.
Nutrition
- Calories: 324 kcal
- Carbohydrates: 41g
- Protein: 4g
- Fat: 16g
- Saturated Fat: 10g
- Polyunsaturated Fat: 1g
- Monounsaturated Fat: 4g
- Trans Fat: 0.4g
- Cholesterol: 50mg
- Sodium: 140mg
- Potassium: 123mg
- Fiber: 1g
- Sugar: 25g
- Vitamin A: 360 IU
- Calcium: 56mg
- Iron: 1mg
Nutritional information is an automatic calculation and can vary based on the exact products you use and any changes you make to the recipe. If these numbers are very important to you, we recommend calculating them yourself using a trusted nutrition calculator.
We hope you adore this incredibly delicious and easy recipe for Kit-Kat S’mores Bars. They are a true crowd-pleaser and a perfect way to enjoy the classic s’mores experience with a fun, crispy twist. Don’t forget to share your creations and experiences with us! Your feedback is invaluable, so please take a moment to leave a review below and let us know what you think.
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