S’mores Cereal Bars offer the quintessential gooey, chocolatey magic of traditional s’mores, transformed into an incredibly easy, no-bake dessert. This recipe is designed for maximum flavor with minimal effort, making it a perfect choice for satisfying sweet cravings or preparing a crowd-pleasing treat in a flash.

Forget the campfire or heating up your oven. These delightful S’mores Cereal Bars come together in just 15 minutes of active prep time, utilizing only 6 simple, readily available ingredients. This makes them the ultimate solution for a quick dessert fix, a delicious party snack, or a delightful surprise for any day of the week. Experience the irresistible flavor of s’mores any time of year, with unmatched ease and convenience.
From My Kitchen to Yours: A Personal Sweet Story
The Treat That Made My Mom Famous (Well, Kind Of!)
These S’mores Cereal Bars hold a truly special place in my heart, primarily because they are one of my mom’s
signature desserts. While she wasn’t the original creator of the recipe – I’m pretty sure it started its journey on the back of a cereal box – she has perfected them over many years. This dedication has earned her a well-deserved “fame” among our extended family and circle of friends, who eagerly anticipate her batches at every gathering.
If you’re a devout fan of s’mores, you’ll undoubtedly be captivated by these bars. The delightful crunch of graham cereal, the unbelievably gooey texture of soft, melted marshmallows, and the luscious pockets of rich, melty chocolate combine to create an utterly irresistible symphony of flavors and textures. They have been one of my most cherished treats for as long as I can recall. Even after indulging in countless numbers over the years, I honestly believe I’ll never tire of their magical taste. They consistently disappear first at any party, a true testament to their universal appeal and deliciousness.
Why These S’mores Cereal Bars Are an Absolute Must-Try
Beyond the delightful nostalgia and ease, here are compelling reasons why this S’mores Cereal Bars recipe deserves a permanent spot in your culinary repertoire:
- Effortless No-Bake Convenience: Skip the oven entirely! These bars require no baking, making them perfect for hot days, busy schedules, or simply when you want a sweet treat without turning on the heat.
- Unbelievably Quick Preparation: With just 15 minutes of hands-on time, you can have a batch ready for setting. This speed makes them ideal for last-minute desserts or impromptu get-togethers.
- Simple, Accessible Ingredients: You only need 6 basic ingredients, most of which you probably already have in your pantry, making this a cost-effective and convenient treat to whip up anytime.
- Irresistible Texture & Flavor: Enjoy the perfect harmony of crispy graham cereal, ultra-gooey marshmallows, and rich, melty chocolate. It’s the classic s’mores experience in a neat, portable bar.
- Universal Crowd-Pleaser: From children’s birthday parties to sophisticated adult gatherings, these bars are universally loved. Their nostalgic charm and delicious taste ensure they’re always a hit, often disappearing first from any dessert spread.
- Perfect for Any Occasion: Whether it’s a summer barbecue, a cozy winter evening, a school lunchbox treat, or a holiday dessert, these S’mores Cereal Bars fit every occasion and season.
- Minimal Cleanup: Because it’s a no-bake recipe, cleanup is significantly reduced compared to traditional baking, leaving you more time to enjoy your delicious creation.

Essential Ingredients for Perfect S’mores Cereal Bars
The magic of these S’mores Cereal Bars lies in a carefully selected blend of simple ingredients. Here’s a detailed breakdown of each component and expert tips for selecting the best:
- Graham Cereal (8 cups): This is the backbone of our bars, delivering that signature graham cracker flavor and satisfying crunch. While Golden Grahams® are the classic choice, feel free to use a quality store-brand version or even Malt O Meal® Honey Graham Toasters. Ensure your cereal is fresh and crisp for the best texture.
- Miniature Marshmallows (6 cups, divided): The key to ultimate gooeyness! Always reach for the freshest and softest bag of miniature marshmallows you can find. Fresh, pliable marshmallows melt more smoothly and contribute to a wonderfully chewy bar. We’ll divide these: 5 cups for melting into the binder, and 1 cup to stir in at the end, creating delightful pockets of soft, un-melted marshmallow.
- Milk Chocolate Chips (2 cups, divided): For a truly decadent chocolate experience, the quality of your chocolate chips is paramount. We highly recommend using premium brands like Ghirardelli® or Guittard®. These brands are known for their superior flavor and smooth melting consistency. Cheaper brands can often be waxy, resulting in a less desirable texture and taste. Like the marshmallows, these are divided: 1 1/2 cups for the base, and 1/2 cup for extra melty pockets.
- Unsalted Butter (5 tablespoons, cut into cubes): Butter adds richness and helps bind all the ingredients together, ensuring the bars are moist and not crumbly. Using unsalted butter allows you to control the overall salt content, balancing the sweetness perfectly.
- Light Corn Syrup (1/4 cup): This ingredient is crucial for achieving that characteristic soft, pliable, and wonderfully chewy texture. Corn syrup helps prevent the marshmallows from becoming too hard or crystallized as the bars set, guaranteeing a consistently tender bite.
- Vanilla Extract (1 teaspoon): A touch of pure vanilla extract elevates the flavor profile, adding a warm, aromatic depth that complements the sweet chocolate and marshmallow notes beautifully, tying all the flavors together.
- Salt (1/8 teaspoon): Often overlooked, a small amount of salt is essential for balancing the sweetness in the bars. It doesn’t make them salty but rather enhances and brightens the flavors of the chocolate and graham, preventing the dessert from being overwhelmingly sweet.
- Cooking Spray: A non-negotiable for effortless preparation! You’ll need this to generously grease your baking pan and lightly coat your hands, preventing the sticky mixture from adhering during mixing and pressing.
Step-by-Step Guide: How to Make S’mores Cereal Bars
Creating these irresistible S’mores Cereal Bars is a breeze with our detailed instructions. Follow these steps carefully to ensure perfectly soft, chewy, and deliciously gooey results every time:
- Step 1: Prepare Your Pan and Cereal. Begin by generously spraying a 9×13-inch baking pan with cooking spray. Alternatively, you can line the pan with parchment paper, leaving an overhang on the sides for easy lifting and removal later. Set the prepared pan aside. In a very large mixing bowl, measure out your 8 cups of graham cereal. Using a large bowl is key to allow ample space for thorough mixing without spills.
- Step 2: Create the Gooey Marshmallow-Chocolate Base. In a separate, large microwave-safe bowl, combine 5 cups of miniature marshmallows, 1 1/2 cups of milk chocolate chips, the cubed unsalted butter, 1/4 cup of light corn syrup, and 1/8 teaspoon of salt. Place this bowl in the microwave and heat in 20-second increments. After each interval, remove the bowl and stir the mixture vigorously, making sure to scrape the bottom and sides to ensure even melting. Continue this process until the mixture is completely melted and smooth. This typically takes a total of 2 to 4 minutes. The crucial part here is to melt slowly and gently; avoid overheating, which can cause the chocolate to seize or the marshmallows to become tough.
- Step 3: Combine and Coat the Cereal. Once your marshmallow-chocolate mixture is perfectly smooth, stir in 1 teaspoon of vanilla extract until it’s fully incorporated. Immediately pour this warm, gooey binder over the graham cereal in your large mixing bowl. Using a sturdy spatula or a large spoon, gently but quickly toss and fold the cereal until every single piece is thoroughly and evenly coated with the mixture. Work efficiently before the mixture cools too much, but be careful not to crush the delicate cereal pieces.
- Step 4: Fold in Additional Marshmallows and Chocolate. Now, stir in the remaining 1 cup of miniature marshmallows and the remaining 1/2 cup of chocolate chips. These additions will create delightful, un-melted pockets of soft marshmallow and bursts of rich chocolate throughout the finished bars, enhancing both texture and flavor.
- Step 5: Press into the Prepared Pan. Transfer the entire s’mores cereal mixture into your prepared 9×13-inch pan. Lightly spray your hands with cooking spray to prevent any sticking. Gently and evenly press the mixture into the pan, ensuring it’s spread from edge to edge. A critical tip for soft bars: do not press too hard! Over-compacting the mixture will result in dense, hard bars. Apply light, consistent pressure to keep them wonderfully soft and chewy.
- Step 6: Allow to Set and Serve. Let the S’mores Cereal Bars sit uncovered at room temperature for at least 1 hour to allow them to properly set. For a slightly firmer bar, you can refrigerate them for about 30 minutes, but avoid chilling for too long, as this can make them excessively firm. Once set, use the parchment paper overhang to lift them out of the pan, or slice directly in the pan. Cut into 24 large, indulgent bars and enjoy!

Pro Tips for Achieving S’mores Cereal Bar Perfection
While this recipe is incredibly straightforward, incorporating these expert tips will ensure your S’mores Cereal Bars turn out flawlessly soft, chewy, and irresistibly delicious every single time:
- Embrace Fresh Marshmallows: This is arguably the most crucial tip. Always use the freshest bag of miniature marshmallows you can find. Stale or hardened marshmallows won’t melt as smoothly and can result in a tougher, less desirable texture in your finished bars. The squishier, the better!
- Gentle Melting is Key: When melting the marshmallow and chocolate mixture, patience pays off. Use short, controlled bursts in the microwave (20 seconds at a time) and stir thoroughly after each. Overheating can cause the mixture to become grainy, stiff, or even burn the chocolate. Low and slow is the way to go for a perfectly smooth base.
- Don’t Skimp on Greasing: Before you even start mixing, ensure your 9×13-inch baking pan is very well-greased with cooking spray, or completely lined with parchment paper. This simple step will save you a lot of frustration when it comes to pressing the sticky mixture and removing the finished bars. Lightly spraying your hands before pressing is also a lifesaver!
- The Art of Gentle Pressing: Resist the urge to compact the mixture too firmly into the pan. Pressing too hard will result in dense, overly firm bars that lack that delightful chewiness. Use a light, even pressure to spread the mixture into the pan for optimal softness and texture.
- Use a Generous Mixing Bowl: Opt for a bowl that seems almost too big for the ingredients. A very large mixing bowl provides ample space to toss and coat the cereal effectively without making a sticky mess, ensuring every graham piece is perfectly covered.
- Quality Chocolate Makes a Difference: Invest in high-quality milk chocolate chips. Brands like Ghirardelli® or Guittard® melt beautifully and offer a richer, more satisfying chocolate flavor. Cheaper brands can sometimes contain more wax, leading to a poorer melt and a less enjoyable texture.
- Thorough Coating is Essential: Take the extra minute to ensure every single piece of graham cereal is thoroughly coated with the gooey marshmallow-chocolate mixture. This guarantees a consistent flavor and texture in every bite of your S’mores Cereal Bar.
Storage and Serving Suggestions
Storage Tips for Optimal Freshness
S’mores Cereal Bars are truly at their peak perfection on the day they are made. The marshmallows are wonderfully gooey, and the cereal maintains its ideal crispness. To keep them fresh and preserve their delightful texture, store the bars in an airtight container at room temperature. While they will remain enjoyable for a couple of days, please note that they may begin to harden and lose a bit of their initial soft, chewy texture over time.
Freezing is Not Recommended: Unfortunately, these bars are not ideal for freezing. The delicate structure of the marshmallows tends to become hard and somewhat rubbery after thawing, which significantly detracts from the desired chewy consistency. For the best culinary experience, we strongly recommend enjoying these bars fresh.
Delicious Variations and Creative Customizations
While the classic S’mores Cereal Bar recipe is fantastic on its own, it also serves as a wonderfully versatile base for exciting variations. Get creative and make these bars truly your own!
- Decadent Chocolate Overload: For serious chocolate lovers, consider mixing in a combination of milk, semi-sweet, and even dark chocolate chips. You can also drizzle an additional layer of melted chocolate over the top of the bars once they have fully set, adding an extra touch of richness.
- Peanut Butter Indulgence: Introduce a nutty, creamy element by stirring in 1/4 to 1/2 cup of smooth peanut butter directly into the melting marshmallow and chocolate mixture. This creates a delightful peanut butter s’mores fusion.
- Crunchy Nut Additions: For an extra layer of texture and flavor, fold in 1/2 cup of chopped nuts such as pecans, walnuts, or roasted almonds along with the final addition of marshmallows and chocolate chips.
- Sweet and Salty Pretzel Twist: Create an exciting sweet and salty contrast by crushing about 1/2 cup of pretzels and mixing them into the cereal or sprinkling them generously over the top of the pressed bars before they set.
- Toasted Marshmallow Topping: To truly replicate the campfire experience, arrange a final layer of miniature marshmallows on top of the pressed bars. Briefly broil them in the oven (keep a very close eye on them to prevent burning!) until they are beautifully golden brown and lightly toasted.
- Candy-Coated Fun: Add a playful touch by folding in your favorite candies. Crushed toffee bits, mini M&M’s, or even chopped bite-sized candy bars can create a unique and exciting flavor profile.
- Different Cereal Adventures: While graham cereal is classic, don’t be afraid to experiment! Try mixing in a portion of cocoa crisps for a chocolatey base, or use a plain rice crisp cereal if you prefer a less dominant graham flavor.
Frequently Asked Questions (FAQ) About S’mores Cereal Bars
Got questions about making the perfect batch of S’mores Cereal Bars? We’ve got answers to help you troubleshoot and customize your dessert:
- Can I use a different type of cereal besides Golden Grahams?
Yes, absolutely! While Golden Grahams cereal is ideal for its authentic graham cracker flavor, you can certainly experiment. Other graham-flavored cereals work well. For a different twist, you could even try a plain rice crisp cereal, though the s’mores flavor might be less pronounced. Just ensure the cereal is crunchy and can hold up to the gooey binder. - My S’mores Cereal Bars turned out too hard. What might have gone wrong?
Bars becoming too hard is a common issue and usually stems from two main causes: either the marshmallow mixture was overheated during the melting process, or the mixture was pressed too firmly into the pan. Remember to melt the binder slowly in short bursts and use gentle pressure when pressing the bars for a wonderfully soft and chewy texture. Also, using fresh, soft marshmallows is key! - Can I prepare these bars in advance for a party?
These S’mores Cereal Bars are truly at their absolute best when enjoyed the same day they are made, offering maximum gooeyness and crispness. However, you can certainly make them 1-2 days in advance. Store them in an airtight container at room temperature. They might firm up slightly over time, but they will still be incredibly delicious. - Is light corn syrup a necessary ingredient? Can I substitute it?
Light corn syrup is highly recommended for this recipe. It plays a crucial role in preventing sugar crystallization and maintaining that wonderfully soft, pliable, and chewy texture that makes these bars so irresistible. While some recipes might suggest alternatives, for the best results in terms of texture and chewiness, sticking to light corn syrup is advised. - What kind of chocolate chips are best for these bars?
For the most delicious and visually appealing results, we strongly recommend using high-quality milk chocolate chips. Brands like Ghirardelli® or Guittard® are excellent choices because they melt smoothly and have a rich, premium flavor. Cheaper brands can sometimes be waxy, melt poorly, and detract from the overall taste and texture of your bars. - How do I cut the bars cleanly without them sticking?
To achieve perfectly clean cuts, allow the S’mores Cereal Bars to set completely at room temperature (for about 1 hour) or chill them briefly in the refrigerator (for about 30 minutes) until firm but not hard. Use a sharp, non-serrated knife that has been lightly coated with cooking spray or butter. For even cleaner slices, wipe the knife blade clean between each cut.
Explore More S’mores-Themed Desserts!
Can’t get enough of that classic s’mores flavor? Dive into these other irresistible recipes that capture the magic of graham, chocolate, and marshmallow in unique and delicious ways. Perfect for every s’mores enthusiast!
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S’mores Cookie Bars
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Rating: 5 out of 5 stars from 1 vote
S’mores Cereal Bars
Chelsea Lords
15 minutes
1 hour
1 hour 15 minutes
24 large bars
Equipment
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9 x 13-inch baking pan
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Large microwave-safe bowl
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Very large mixing bowl
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Sturdy spatula or spoon
Ingredients
- 8 cups Golden Grahams cereal (see Note 1 below for alternatives)
- 6 cups miniature marshmallows (divided: 5 cups for melting, 1 cup for mixing in)
- 2 cups milk chocolate chips (divided: 1 1/2 cups for melting, 1/2 cup for mixing in; see Note 2 for quality)
- 5 tablespoons unsalted butter (cut into cubes)
- 1/4 cup light corn syrup
- 1/8 teaspoon salt
- 1 teaspoon vanilla extract
- Cooking spray
Instructions
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Prepare Pan & Cereal: Spray a 9×13-inch baking pan generously with cooking spray or line with parchment paper. Set aside. Add the 8 cups of graham cereal to a very large mixing bowl.
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Melt Gooey Base: In a separate large microwave-safe bowl, combine 5 cups marshmallows, 1 1/2 cups chocolate chips, butter, corn syrup, and salt. Microwave in 20-second bursts, stirring thoroughly and scraping the bottom after each burst, until completely melted and smooth (total time typically 2-4 minutes). Do not overheat.
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Combine & Coat: Stir in the vanilla extract until well combined. Quickly pour the warm, melted mixture over the cereal in the large bowl. Gently toss and fold with a spatula until the cereal is evenly coated. Work efficiently but carefully to avoid crushing the cereal.
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Add Extra Goodies: Stir in the remaining 1 cup of miniature marshmallows and the remaining 1/2 cup of chocolate chips.
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Press into Pan: Transfer the mixture into the prepared pan. Lightly spray your hands with cooking spray and gently press the mixture evenly into the pan. Remember, do not press too hard, or your bars will become dense and too firm.
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Set & Serve: Let the bars sit uncovered at room temperature for at least 1 hour to set. For firmer bars, you may refrigerate them for about 30 minutes. Once set, cut into 24 large bars and enjoy!
Recipe Notes
Note 1: Graham Cereal Choices: You can use any brand of graham-flavored cereal you prefer, such as Golden Grahams® or Malt O Meal® Honey Graham Toasters. Ensure it’s fresh for the best crunch and flavor.
Note 2: Chocolate Quality Matters: For the most delicious and smoothly melted chocolate in your bars, opt for high-quality milk chocolate chips. Brands like Ghirardelli® or Guittard® are highly recommended. Cheaper chocolate brands can sometimes be waxy, melt poorly, and adversely affect the overall texture and taste of your S’mores Cereal Bars.
Storage & Freshness: Store S’mores Cereal Bars in an airtight container at room temperature. They are absolutely best when enjoyed the day they are made, while the marshmallows are at their peak gooeyness and the cereal is perfectly crisp. While they can be stored for 1-2 days, they may start to harden and lose a bit of their tender texture. Freezing is not recommended as marshmallows become hard and rubbery after thawing, compromising the texture.
Nutrition Information (Approximate Per Serving)
Serving Size: 1 bar (out of 24)
- Calories: 560 kcal
- Carbohydrates: 127g
- Protein: 4g
- Fat: 7g
- Saturated Fat: 4g
- Polyunsaturated Fat: 1g
- Monounsaturated Fat: 1g
- Trans Fat: 0.1g
- Cholesterol: 9mg
- Sodium: 422mg
- Potassium: 64mg
- Fiber: 2g
- Sugar: 70g
- Vitamin A: 1351 IU
- Vitamin C: 19mg
- Calcium: 5mg
- Iron: 21mg
Nutrition information is automatically calculated and should be used as an approximation only. Actual values may vary based on specific ingredients, portion sizes, and preparation methods.
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