S’mores Cookie Bars

There is something magical about the combination of toasted marshmallows, melted chocolate, and crunchy graham crackers. S’mores are the ultimate campfire treat, but you do not need a bonfire to enjoy those iconic flavors. These S’mores Cookie Bars bring all that nostalgic goodness into a convenient, buttery bar that you can bake right in your kitchen.

These bars feature a soft, graham cracker-infused cookie dough that acts as the perfect vessel for gooey marshmallow fluff and rich chocolate. Whether you are hosting a summer barbecue or just craving a cozy indoor treat, these bars are guaranteed to be a hit with kids and adults alike. They are easy to make, easy to transport, and even easier to eat!

Recipe Information

• Prep Time: 15 minutes
• Cook Time: 30 minutes
• Total Time: 45 minutes
• Servings: 16 bars
• Difficulty Level: Easy

Nutrition Information

• Calories per serving: 275 kcal
• Protein: 3g
• Carbohydrates: 38g
• Fat: 13g
• Fiber: 1g
• Sugar: 22g
• Sodium: 180mg

Why Make This S’mores Cookie Bars

The best part about this recipe is the texture. Unlike a traditional s’more which can be messy and sharp, these bars are soft and chewy. The graham cracker crumbs are mixed directly into the cookie dough, giving you that authentic honey-wheat flavor in every single bite without the cracker crumbling apart in your hands.

Another reason to love these bars is their portability. They are perfect for potlucks, bake sales, or lunchbox treats. You get the toasted marshmallow experience without needing to find sticks or manage an open flame. It is a controlled, decadent mess that stays right where it belongs: inside the delicious cookie layers.

How to Make S’mores Cookie Bars

Getting these bars from the mixing bowl to your oven is a simple process that yields professional-looking results. Follow these straightforward steps to create the ultimate dessert bars.

Ingredients

• 1/2 cup unsalted butter, softened to room temperature
• 3/4 cup granulated sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1 1/4 cups all-purpose flour
• 1 cup graham cracker crumbs (about 7-8 full sheets)
• 1 teaspoon baking powder
• 1/4 teaspoon salt
• 1 1/2 cups mini marshmallows
• 1 1/2 cups semi-sweet chocolate chips (or 3-4 standard chocolate bars, broken into pieces)

Directions

Step 1: Preheat and Prepare the Pan

Preheat your oven to 350°F (175°C). Grease an 8×8 inch square baking pan with butter or non-stick spray. For the easiest removal, line the pan with parchment paper, leaving a slight overhang on the sides to use as handles later.

Step 2: Cream the Butter and Sugar

In a large mixing bowl, beat the softened butter and granulated sugar together using a hand mixer or stand mixer. Continue mixing for about 2 minutes until the mixture is light, fluffy, and pale in color.

Step 3: Add Wet Ingredients

Add the egg and vanilla extract to the butter mixture. Beat again on medium speed until the ingredients are fully combined and the batter looks smooth.

Step 4: Combine Dry Ingredients

In a separate medium bowl, whisk together the flour, graham cracker crumbs, baking powder, and salt. Gradually add these dry ingredients to the wet mixture, stirring on low speed or by hand until a soft dough forms.

Step 5: Layer the Bottom Crust

Divide the dough into two roughly equal portions. Press one half of the dough firmly into the bottom of your prepared baking pan to create an even layer. This will serve as the sturdy base for your toppings.

Step 6: Add the Filling

Spread the chocolate chips (or broken chocolate bar pieces) evenly over the bottom dough layer. Top the chocolate with an even layer of mini marshmallows, pressing them down slightly into the chocolate.

Step 7: Add the Top Layer and Bake

Take the remaining cookie dough and flatten small pieces of it with your hands. Place these flattened pieces over the marshmallow layer. It is okay if some marshmallows are still peeking through; they will toast beautifully in the oven. Bake for 30 to 35 minutes until the edges are golden brown. Let the bars cool completely in the pan before slicing.

How to Serve S’mores Cookie Bars

For the best experience, wait until the bars have cooled significantly so the marshmallow and chocolate can set. If you prefer a gooey mess, serve them slightly warm about 20 minutes after baking. They pair perfectly with a cold glass of milk or a scoop of vanilla bean ice cream for an extra indulgent dessert.

How to Store S’mores Cookie Bars

Store any leftovers in an airtight container at room temperature for up to 4 days. If you want to keep them longer, you can refrigerate them for up to a week, though the marshmallows may firm up. You can also freeze the sliced bars for up to 2 months; just thaw them at room temperature before serving.

Expert Tips for Perfect S’mores Cookie Bars

To get the perfect clean slice, make sure the bars are completely cool. You can even pop the pan into the fridge for 30 minutes before cutting. Use a sharp knife and wipe it clean between each cut to prevent the sticky marshmallows from pulling. If you want a more “toasted” look on top, you can turn on the broiler for the last 60 seconds of baking, but watch them very closely so they don’t burn!

Delicious Variations

You can easily customize these bars to suit your taste. Try using dark chocolate chips for a less sweet version, or add a layer of peanut butter over the bottom crust for a “fluffernutter” twist. If you like a bit of salt, sprinkle a pinch of sea salt over the chocolate layer. You can also swap the graham cracker crumbs for crushed digestive biscuits if you are in a pinch.

Frequently Asked Questions

Q: Can I use marshmallow fluff instead of mini marshmallows?

Yes, you can use marshmallow fluff! Spread about 1 cup of fluff over the chocolate layer. Keep in mind that fluff spreads more during baking, so keep it about half an inch away from the edges of the pan.

Q: How do I make graham cracker crumbs?

The easiest way is to pulse graham crackers in a food processor until they reach a fine sand-like consistency. Alternatively, place them in a zip-top bag and crush them with a rolling pin.

Q: Can I make these in a 9×13 pan?

Yes, but you should double the recipe to ensure the layers are thick enough. The baking time may also need to be adjusted by an extra 5-10 minutes.

Q: My marshmallows disappeared into the dough, what happened?

Marshmallows tend to melt into the dough if they are overbaked or if the dough is too warm. Ensure your oven is at the correct temperature and try to keep the marshmallow layer thick in the center.

Q: Can I use large marshmallows?

It is better to use mini marshmallows for even distribution. If you only have large ones, use kitchen shears to snip them into smaller, bite-sized pieces before layering.

Conclusion

S’mores Cookie Bars are the perfect way to enjoy a classic flavor profile without the hassle of a campfire. With their buttery graham cracker crust and gooey centers, they are sure to become a staple in your dessert rotation. Give this recipe a try next time you need a crowd-pleasing treat that brings a bit of summer nostalgia to your table!

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