Indulge in the ultimate no-fuss dessert with these incredible Ooey, Gooey S’mores Bars! Forget the campfire smoke and sticky fingers; these bars capture all the beloved flavors of traditional s’mores in a convenient, irresistible package. They’re astonishingly easy to prepare and guaranteed to be a hit at any gathering, from casual backyard barbecues to festive holiday parties.

A Quick Look At The Recipe
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Prep Time
15 minutes
Cook Time
25 minutes
Total Time
40 minutes
Servings
16 Bars
Difficulty
Easy
Calories *
229 kcal per serving
Technique
Make graham crust, layer chocolate and marshmallows, drizzle with condensed milk and bake.
Flavor Profile
Classic graham cracker crust with creamy milk chocolate and delightfully caramelized marshmallows!
* Based on nutrition panel
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Just made these last night, and I have to say, you are a GENIUS!!! I’ve been craving s’mores for weeks when I came across your recipe. It will definitely be my go to recipe when I need a fix of marshmallows!!! I died and went to heaven! Thank you so much. You’ve created a S’mores bar monster! LOL!!!⭐⭐⭐⭐⭐
Michelle
These Ooey, Gooey S’mores Bars are the epitome of chewy, soft, and utterly decadent. They miraculously pack all the nostalgic flavors of s’mores into a convenient, delightful bar form. The combination of perfectly toasted marshmallows and the magically caramelized sweetened condensed milk creates a dessert that is positively addicting. Seriously, I could not stop eating these, and I bet you won’t be able to either!

Why These No-Campfire S’mores Bars Are a Must-Try
S’mores are undoubtedly one of my all-time favorite flavor combinations. Perhaps it’s the warm embrace of nostalgia, or maybe my unending love for a perfectly crafted graham cracker crust. Whatever the reason, the classic trio of graham cracker, chocolate, and marshmallow holds a special place in my heart. If you share this passion, you absolutely must explore my other s’mores-inspired creations. Be sure to check out these Chewy S’mores Crumble Bars, these amazing No-Bake Golden Graham S’mores Bars, a refreshing Toasted Marshmallow S’mores Ice Cream, and these adorable Mini S’mores Cheesecakes.
In fact, my No-Bake Whiskey S’mores Pie even earned a place in culinary history as the anchor of my s’mores dessert lineup during my tenure as Executive Pastry Chef at Restaurant Marc Forgione. That’s how serious I am about s’mores!

You genuinely *need* to try these bars. On the scale of basic human needs, making these might just be up there with brushing your teeth – that’s how essential they are for a happy existence! The graham cracker crust, adapted from the brilliant Averie, is sheer perfection – buttery, crumbly, and wonderfully spiced. The layer of classic Hershey’s milk chocolate bars adds a magical, melty surprise that transports you straight back to childhood bonfires. Piles of fluffy marshmallows, generously sprinkled with Ghirardelli milk chocolate chips, will make you sigh with pure happiness. But what truly elevates these bars and sets them apart from any other s’mores dessert is the sweetened condensed milk drizzled over the top. As it bakes in the oven, it caramelizes beautifully, creating a golden, toasted marshmallow crust that perfectly mimics that authentic campfire feel.

Do you see that glorious, caramelized goodness? That golden, slightly crispy top is where the real magic happens, adding a depth of flavor and texture that transforms these simple bars into an extraordinary dessert.
Tips for Achieving S’mores Bar Perfection
If you, like me, harbor an unnatural obsession with mini marshmallows (you know who you are!), then you should absolutely feel free to pile on as many as your heart desires onto that marshmallow layer. For S’mores Bars, more is definitely more! Don’t hold back; a generous layer ensures a truly “ooey, gooey” experience.
When it comes to the chocolate, I’ve found a delightful balance by using both classic Hershey’s bars and premium Ghirardelli chocolate chips. While my chocolate palate has evolved over the years, and I typically lean towards higher-quality chocolate, a s’more without Hershey’s just doesn’t feel right. It’s that iconic, melty milk chocolate flavor that defines the classic s’mores experience. The Ghirardelli chips, however, add an extra layer of rich, creamy chocolate that complements the Hershey’s beautifully, offering the best of both worlds in one bite.
The sweetened condensed milk is truly the secret weapon here. Its rich, creamy texture and high sugar content allow it to caramelize and brown beautifully in the oven, creating that distinctive toasted flavor and slightly chewy texture reminiscent of marshmallows roasted over an open flame. Don’t feel the need to meticulously cover every single marshmallow; a good drizzle ensures pockets of caramelized sweetness that make each bite exciting. If you have leftover condensed milk, simply transfer it to a small, labeled freezer bag and store it for future baking adventures!

Effortless Preparation for a Delicious Treat
These Ooey, Gooey S’mores Bars are truly one of the fastest desserts I have ever made. The most “laborious” step is crushing the graham crackers, but even that can be a therapeutic experience! You can easily throw them in a ziplock bag and enthusiastically whack them with a rolling pin, a sturdy can, or even your hand. For an even quicker start, you can always opt for pre-crushed graham cracker crumbs – a route I highly recommend. I often find myself finished with the assembly before my oven has even completed preheating! This recipe is so straightforward that even a child could assist, making it a perfect activity for some fun in the kitchen with your little ones (or just to enjoy the simplicity yourself!).
The foundation of these incredible bars is a phenomenal graham cracker crust, and I owe a huge thank you to Averie from AverieCooks for her fantastic recipe. It’s the perfect sweet and buttery base that holds all the gooey goodness together.
Ooey Gooey S’mores Bars
Chef Lindsey
15
25
40
16 Bars
Comment
Print Recipe
Ingredients
For the Bars:
- 3 oz Hershey’s Milk Chocolate Bars (2 bars)
- 3 cups mini marshmallows
- ½ cup milk chocolate chips
- 7 oz sweetened condensed milk (about ½ a can)
For the Graham Cracker Crust:
- ½ cup unsalted butter (melted)
- 1 cup graham cracker crumbs (~10 sheets)
- ¾ cups dark brown sugar (packed)
- 1 tablespoon cornstarch
- pinch of salt (optional)
8 x 8 inch rectangle
Instructions
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Preheat oven to 350°F (175°C). Lightly butter an 8×8 inch baking dish or line it with criss-crossed parchment paper, leaving an overhang to easily lift the bars later.
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Prepare your graham cracker crumbs. You can crush whole graham crackers by placing them in a ziplock bag and smashing them with a rolling pin or the bottom of a heavy pan until finely crushed. Alternatively, for ultimate convenience, simply purchase pre-crushed graham cracker crumbs.
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In a medium bowl, melt the butter in the microwave. Add the graham cracker crumbs, dark brown sugar, cornstarch, and an optional pinch of salt to the melted butter. Mix well until all ingredients are thoroughly combined and resemble wet sand. Press this mixture firmly into the bottom of your prepared baking dish to form an even crust.
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Arrange the Hershey’s chocolate bars in neat rows over the graham cracker crust. Feel free to break them into smaller pieces if needed to fit the pan. While it’s tempting to completely cover the crust with chocolate, remember these bars are quite sweet already!
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Generously scatter the mini marshmallows over the chocolate layer. The given quantity is a guideline; if you’re a true marshmallow enthusiast, don’t hesitate to pile them high!
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Evenly sprinkle the milk chocolate chips over the marshmallow layer. The combination of Hershey’s and Ghirardelli provides a delightful blend of classic and richer chocolate flavors.
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Pour the sweetened condensed milk evenly over the marshmallows and chocolate chips. There’s no need to cover every nook and cranny; a drizzle is perfect, allowing for those delicious caramelized pockets to form. You’ll likely use about half a can (7 oz). Any leftover condensed milk can be stored in a labeled freezer bag for future use.
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Place the S’mores Bars into the preheated oven and bake for 20-30 minutes, or until the top is a beautiful golden brown and the marshmallows are toasted. Bake longer if you prefer your marshmallows with a slightly more charred, campfire-like finish.
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Let the bars cool in the dish for about 10 minutes. Then, carefully run a metal spatula or knife around the edges to loosen the marshmallows from the sides of the dish. It’s crucial to let the bars cool completely before attempting to cut them, otherwise, you’ll end up with a wonderfully messy (but still delicious) pile instead of perfectly formed bars. Patience is key for clean slices!
Nutrition
Carbohydrates: 35g |
Protein: 2g |
Fat: 10g |
Saturated Fat: 6g |
Polyunsaturated Fat: 1g |
Monounsaturated Fat: 3g |
Trans Fat: 1g |
Cholesterol: 21mg |
Sodium: 64mg |
Potassium: 87mg |
Fiber: 1g |
Sugar: 28g |
Vitamin A: 210IU |
Vitamin C: 1mg |
Calcium: 51mg |
Iron: 1mg
Storage and Serving Suggestions
Once your Ooey Gooey S’mores Bars have cooled completely, you can cut them into 16 squares. These bars are best enjoyed within 2-3 days of baking. Store them in an airtight container at room temperature to maintain their chewiness and prevent them from drying out. If you stack them, placing a sheet of parchment paper between layers can prevent sticking.
For an extra treat, try warming a bar briefly in the microwave before serving to bring back that delightful meltiness in the chocolate and soften the marshmallows. They’re also fantastic served with a scoop of vanilla bean ice cream, creating a warm-and-cold dessert experience that’s simply divine.
Delicious Variations to Explore
While the classic S’mores Bar recipe is perfect as is, there are many ways to customize it to your taste. Consider these variations:
- Different Chocolates: Experiment with dark chocolate chips or chopped chocolate bars for a richer, less sweet flavor profile. White chocolate chips could also add a unique twist.
- Nutty Additions: Sprinkle chopped peanuts, pecans, or walnuts over the chocolate layer before adding marshmallows for an extra crunch and savory note.
- Salted Caramel Touch: A sprinkle of sea salt flakes over the finished bars after they cool can enhance all the sweet flavors and add a sophisticated touch.
- Flavored Marshmallows: If you can find them, try using flavored marshmallows like vanilla bean or even chocolate marshmallows for an extra layer of flavor.
- Spice it Up: A tiny pinch of cinnamon or a dash of espresso powder in the graham cracker crust can add depth and warmth.
Before You Go
I hope you thoroughly enjoyed creating and indulging in this professional chef-created recipe. These Ooey, Gooey S’mores Bars truly offer a delightful escape to campfire memories without any of the hassle. They are a testament to how simple ingredients can come together to create something truly magical.
If you’re constantly on the hunt for delicious, crowd-pleasing dessert ideas, be sure to explore all our delightful brownies & bars recipes. Or, if you’re already inspired to keep your sheet pan out for another easy bake, why not try my incredibly popular Pumpkin Dump Cake Recipe next? Happy baking!