Easy s’mores bars made with graham cracker crust, chocolate, and marshmallows

Chocolate Marshmallow Crunch Bars

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Created on October 14th, 2025 at 05:43 pm

A Toasty, Gooey Treat in Every Bite

Nothing says cozy comfort like these Chocolate Marshmallow Crunch Bars—the ultimate shortcut to nostalgic campfire flavor, no flames required. Made with just 4 simple ingredients, this recipe brings together buttery graham cracker crust, gooey mini marshmallows, and melty chocolate chips in one ridiculously easy-to-make dessert. Whether you’re baking with kids, prepping for a potluck, or just want something sweet and fast, this treat hits all the right notes. These bars come together in under 30 minutes and taste just like s’mores—but better. Perfect for fall gatherings, rainy days, or whenever the craving strikes, this is one sweet snack you’ll make again and again.

Toasted marshmallow and chocolate dessert bars on a white plate

🌟 Why You’ll Love This Recipe

There’s so much to adore about this recipe. First, it’s nearly effortless—just layer and bake! Second, it uses ingredients you probably already have. Third, it’s a total crowd-pleaser. From kids to adults, everyone falls in love with the melty chocolate, toasted marshmallow topping, and buttery crunch. No campfire? No problem. These bars are even better than traditional s’mores, and you can make them any time of year. Plus, they’re freezer-friendly, making them the ideal make-ahead treat for game days, family celebrations, or meal trains.


⏱️ Time Breakdown

  • Prep Time: 10 minutes
  • Cook Time: 28 minutes
  • Total Time: 38 minutes
  • Servings: 12–15 bars

📝 Ingredients List

  • 2 cups graham cracker crumbs
  • ½ cup unsalted butter, melted
  • 2 cups semi-sweet chocolate chips
  • 4 cups mini marshmallows

✨ Kitchen Tools You’ll Need

This recipe doesn’t require fancy gadgets, just a few reliable kitchen basics to keep everything simple and stress-free:

  • 9×13-inch baking dish
  • Mixing bowl
  • Measuring cups
  • Rubber spatula or spoon
  • Tinfoil
  • Cooking spray

👩‍🍳 Step-by-Step Instructions

  1. Preheat your oven to 350°F (175°C).
  2. Line your baking dish with foil and spray with cooking spray.
  3. Mix graham cracker crumbs and melted butter in a bowl until fully combined.
  4. Press the crust mixture evenly into the baking dish, including slightly up the sides.
  5. Bake the crust for 8 minutes.
  6. Remove from oven and sprinkle chocolate chips evenly over the crust.
  7. Top with a layer of mini marshmallows.
  8. Return to oven and bake for 20 minutes, or until marshmallows are golden and toasty.
  9. Cool, then refrigerate to set.
    🔪 Cut into squares and serve chilled or at room temperature.

😋 Tip: Use lightly floured hands to press crust evenly!


💡 Pro Tips

  • Storage: Refrigerate in airtight container for up to 5 days. Freeze for up to 2 months.
  • Make it Gluten-Free: Use certified GF graham crackers like Kinnikinnick.
  • Want Less Sugar? Try dark chocolate chips or high cacao chocolate bars.
  • Marshmallow Control: One packed single layer is ideal for even texture.
  • Bigger Pan? Add ½ cup more graham crumbs + extra chips and marshmallows.

🍽️ It’s Your Turn to Bake!

Whether you’re whipping these up for a rainy day treat or prepping dessert for a weekend tailgate, these Chocolate Marshmallow Crunch Bars will become your go-to dessert. They’re sweet, satisfying, and surprisingly easy to pull off with minimal effort. Let the kids help or prep a batch solo—either way, your kitchen is about to smell amazing. Get ready for that toasted marshmallow magic and rich chocolate flavor with every bite. You’ll want to save this one for all your fall baking favorites!


📊 Nutrition Table

Serving SizeCaloriesProteinCarbsFatFiberSugar
1 bar4204g48g22g2g32g

Disclaimer: Nutrition facts are estimated using online tools and may vary based on your ingredients and preparation. Please consult a nutritionist for precise dietary advice.

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