S’mores Cookie Bars

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If you’ve ever wished you could enjoy classic s’mores flavor without a campfire, these S’mores Cookie Bars are the answer. Each bite delivers gooey, toasted marshmallow, melty chocolate, and buttery cookie layers all in one irresistible square. These bars take everything you love about s’mores and wrap it up in a soft, chewy, perfectly portable dessert.

Whether you’re looking for a nostalgic treat for a party, a fun weekend baking project, or an easy dessert to share, these S’mores Cookie Bars are always a hit. They’re simple to make, don’t require any fancy equipment, and will remind you of summer nights spent by the fire – no sticks or flames needed.

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Why You’ll Love These S’mores Cookie Bars

You’ll fall for these cookie bars because they’re the best of both worlds: gooey like a s’more and chewy like your favorite cookie. They’re made with simple pantry staples and come together in a single pan. No need for individual assembly or sticky fingers—just slice and serve!

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What Kind of Chocolate Should I Use for S’mores Cookie Bars?

While milk chocolate is the classic s’mores choice, you can use semi-sweet or even dark chocolate if you prefer a richer, less-sweet flavor. Chocolate chips, chopped chocolate bars, or even a mix all work great, so use what you love or have on hand.

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Ingredients for the S’mores Cookie Bars

Every ingredient in these S’mores Cookie Bars plays a role in creating that iconic s’mores flavor and texture:

• Graham cracker crumbs: The signature base, bringing in that toasty flavor and a bit of crunch.
• Unsalted butter: Adds richness and helps hold the crust together.
• Brown sugar: Sweetens the cookie base and adds a hint of caramel flavor.
• Granulated sugar: For a touch of extra sweetness in the cookie dough.
• Egg: Binds the dough and keeps the texture chewy.
• Vanilla extract: Rounds out the flavors with warmth.
• All-purpose flour: The foundation of the cookie layer.
• Baking powder: Gives a little lift to the cookie base.
• Salt: Balances out the sweetness.
• Chocolate chips or bars: Melts into delicious, gooey pockets between the layers.
• Marshmallows: The finishing touch, toasted and melty just like the campfire treat.

Each layer builds on the last to deliver everything you love about s’mores, all in one bar.

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How To Make the S’mores Cookie Bars

Step 1: Make the Graham Cracker Base

Combine graham cracker crumbs, melted butter, and a little brown sugar. Press this mixture firmly into the bottom of a lined baking pan to form a sturdy base.

Step 2: Prepare the Cookie Dough Layer

Beat together softened butter, brown sugar, and granulated sugar until light and fluffy. Add in the egg and vanilla, then mix in the flour, baking powder, and salt. Spread this dough gently over the graham crust.

Step 3: Add the Chocolate and Marshmallows

Scatter chocolate chips or chunks over the cookie dough, pressing them lightly into the surface. Top with a generous layer of marshmallows—mini marshmallows work best for even coverage.

Step 4: Bake and Toast

Bake the bars until the cookie layer is golden and the marshmallows are puffed and toasty. If you like extra-toasty marshmallows, pop the pan under the broiler for a few seconds (watch closely!).

Step 5: Cool and Slice

Let the bars cool before slicing for the cleanest edges, but don’t wait too long—these are best enjoyed slightly warm with the chocolate still gooey.

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Serving and Storing S’mores Cookie Bars

This recipe makes about 12–16 bars, depending on how you slice them, perfect for feeding a hungry crowd or a family treat. Serve them warm for the ultimate gooey experience, or at room temperature for a chewy, portable snack. Leftovers can be stored in an airtight container at room temperature for up to 3 days, or in the fridge for longer freshness.

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What to Serve With S’mores Cookie Bars?

1. Glass of Cold Milk

A classic, perfect for balancing all the gooey sweetness.

2. Scoop of Vanilla Ice Cream

Turn your cookie bar into a decadent dessert sundae.

3. Hot Chocolate or Coffee

A cozy pairing for chilly evenings.

4. Fresh Berries

Adds a burst of freshness and tartness to cut through the richness.

5. Whipped Cream

A dollop on top makes each bite extra dreamy.

6. Salted Caramel Drizzle

For a sweet-salty twist.

7. Fruit Salad

A light, refreshing side for summertime picnics or parties.

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Frequently Asked Questions

1. Can I use store-bought cookie dough instead of making my own?
Yes! If you’re short on time, a roll of store-bought sugar or chocolate chip cookie dough works as a shortcut. Just press it over the graham crust and continue as directed.

2. Can I make these S’mores Cookie Bars gluten-free?
Absolutely. Substitute gluten-free graham crackers and use a 1:1 gluten-free all-purpose flour blend for great results.

3. How do I toast the marshmallows if I don’t have a broiler?
If your oven doesn’t have a broiler, just bake the bars a little longer until the marshmallows are golden brown, or use a kitchen torch for extra toastiness.

4. Can I freeze S’mores Cookie Bars?
Yes, you can freeze the bars after baking. Let them cool, cut them into bars, and store in a freezer-safe container. Thaw at room temperature before serving.

5. Can I add peanut butter or other flavors?
Definitely! Swirl in a bit of peanut butter or Nutella for a fun twist, or add chopped nuts for extra crunch.

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Save This Pin For Later

📌 Save this recipe to your Pinterest dessert board so you can come back to it any time.
And let me know in the comments how yours turned out. Did you add peanut butter or try dark chocolate? Did you broil the marshmallows?
I love hearing how others make these recipes their own. Questions are welcome too—let’s help each other bake smarter.

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Conclusion

S’mores Cookie Bars are the perfect mashup of a classic campfire treat and a homemade cookie, with layers of gooey, chocolatey, marshmallow goodness. They’re easy to make, endlessly customizable, and sure to disappear quickly—whether you’re sharing with family, friends, or treating yourself!

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