Name: S'mores Brownie Cookies Recipe
Prep time: 20 min
Cook time: 15 min
Total time: 55 min
Cuisine: American
Ingredients: 12oz (340g) dark chocolate chips or chopped chocolate (e.g. Ghirardelli 60% cacao); 3/4 cup + 2 tbsp (106g) all-purpose flour; 1/4 cup (24g) dutch-process unsweetened cocoa powder; 1 tsp (4g) baking powder; 1/4 tsp (1g) salt; 1/2 cup (113g) salted butter; 3/4 cup (150g) granulated sugar; 1/2 cup (110g) light brown sugar; 2 eggs, at room temperature; 1 tbsp (12g) vanilla bean paste or extract; 3 Hershey’s milk chocolate bars, broken into pieces; 10-12 marshmallows; 12 graham cracker squares

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I absolutely love diving into cozy, nostalgic desserts, and this S'mores Brownie Cookies Recipe hits every note for me. Imagine biting into a fudgy, rich brownie cookie layered on a crunchy graham cracker base, with melty milk chocolate and gooey marshmallow tucked right in the heart of every bite. It’s like campfire memories wrapped up in a warm, chewy cookie that I can enjoy anytime, anywhere. I promise this recipe will become one of your absolute favorites, just like it is in my kitchen.

Why You'll Love This S'mores Brownie Cookies Recipe

When it comes to flavor, I find these cookies genuinely irresistible. The deep, intense chocolate flavor from the brownie dough combines perfectly with the sweet marshmallows and the classic graham cracker crunch beneath. Every bite bursts with a mix of textures — soft, chewy, gooey, and crisp — making it a dessert that’s anything but boring. The hint of flaky sea salt on top really amps up the flavor, creating that perfect balance between sweet and salty that I crave. Honestly, it’s like having the best parts of s’mores and brownie all in one.

I also appreciate how straightforward this recipe is to make. While it feels a little fancy, the prep is pretty simple, especially if you already have a love for baking brownies or cookies. Plus, assembling the s'mores filling between those graham crackers takes this recipe to a whole new level with very little effort. These cookies show up perfectly for just about any occasion — whether it’s a casual weekend treat, a crowd-pleaser at a party, or a cozy dessert after dinner. Every time I bake them, they bring smiles and have me planning the next batch before the first is even gone!

Ingredients You'll Need

A woman's hand with light skin and long nails is holding a freshly broken dark chocolate cookie sandwich with three visible layers: a chewy dark brown chocolate cookie on top with a slightly rough texture and a few flakes of coarse salt, middle layers of soft white marshmallow and melted milk chocolate dripping slightly, and a light brown cookie base. The background is a clean white marbled texture with soft natural light casting shadows. Photo taken with an iphone --ar 4:5 --v 7

This recipe uses simple, beloved ingredients that come together to bring both classic and rich flavors while crafting the perfect fudgy yet chewy texture. Each component plays a key role, from the dark chocolate bringing depth to the cocoa's richness, to the graham crackers adding that iconic crunch and flavor.

Quick Tip

All ingredient amounts are listed in the recipe card below

Dark chocolate chips or chopped chocolate: I love Ghirardelli’s 60% cacao chips for rich, melt-worthy chunks in these cookies.

All-purpose flour: Essential for structure while keeping the cookies tender and soft.
Dutch-process unsweetened cocoa powder: Brings deep chocolate flavor without bitterness.
Baking powder: Helps the cookies rise just enough to develop that perfect crinkle top.

Salt: Balances the sweetness and enhances all the flavors.
Salted butter: Adds richness and creates a tender crumb.
Granulated sugar: Gives sweetness and helps with that classic chewy cookie texture.
Light brown sugar: Adds moisture and a slight caramel note that I find irresistible.
Eggs: Bind everything together and contribute to the chewy center.

Vanilla bean paste or extract: Uplifts the chocolate with aromatic warmth and depth.
Hershey’s milk chocolate bars: The ultimate nostalgic chocolate filling for s’mores magic.
Marshmallows: Creates that signature gooey, melty experience with every bite.

Graham cracker squares: Provide a crisp and slightly honeyed base that brings everything home.

Directions

Step 1: Start by melting the dark chocolate and salted butter together in a heatproof bowl over simmering water, stirring until smooth and glossy. This mixture is the foundation of that fudgy, rich base you’ll love.

Step 2: Allow the chocolate-butter mixture to cool slightly while you whisk together the granulated sugar, light brown sugar, and eggs in a separate bowl until pale and creamy. This step helps incorporate air to keep the cookies light.

Step 3: Stir in the vanilla bean paste into your egg mixture, then slowly add the melted chocolate mixture, mixing gently until combined. The dough will start coming together as a gleaming chocolate mass ready for the dry ingredients.

Step 4: In another bowl, sift together the all-purpose flour, dutch-process cocoa powder, baking powder, and salt. Slowly fold this dry mixture into the wet ingredients, careful not to overmix—you want a shiny, fudgy dough.

Step 5: Chill the dough for about 20 minutes. This lets it firm up, making the cookies easier to shape and helping them develop those iconic crinkle tops when baked.

Step 6: Now, assemble your s’mores base by placing a graham cracker square on a parchment-lined baking sheet. Scoop about a tablespoon of dough and flatten it slightly, then place a piece of milk chocolate and a marshmallow on top, finally covering with more dough to sandwich the filling.

Step 7: Bake these little treasures in a preheated 350°F (175°C) oven for 12-15 minutes. Watch for the edges to set and the tops to develop beautiful crinkles, but keep the centers soft and gooey.

Step 8: Once out of the oven, sprinkle a pinch of flaky sea salt on top of each cookie while warm. Allow them to cool on the baking sheet for at least 10 minutes before transferring to a wire rack. This rest helps them firm up just enough to handle without losing that melty center.

Servings and Timing

This recipe yields about 12 generous cookies, perfect for sharing or savoring over a few days. Prep time is roughly 20 minutes, with a bake time of 15 minutes, plus about 20 minutes for chilling the dough. Altogether, you’re looking at 55 minutes from start to finish, making it a fun, quick project that rewards you with an irresistible treat.

How to Serve This S'mores Brownie Cookies Recipe

A close-up of a thick s'mores cookie broken in half, showing three layers: dark brown chocolate cookie on the top and bottom with a rough texture, two golden crispy graham cracker layers inside, and soft, melted white marshmallow with glossy, melted milk chocolate oozing out in the middle. The cookie sits on crinkled white parchment paper over a white marbled surface. In the background, there is a clear glass of milk with visible condensation. Photo taken with an iphone --ar 4:5 --v 7

When I serve these cookies, I like to keep it simple but special. The classic pairing for me is a cold glass of milk—it’s the perfect counterbalance to the rich, warm chocolate and sweet marshmallow. For a grown-up party, I might suggest pairing them with a glass of creamy stout beer or a smooth red wine like a Merlot, which complements the deep chocolate flavors beautifully.

If you want to elevate the presentation, I love sprinkling the cookies with a little extra sea salt before serving and arranging them on a rustic wooden board surrounded by extra graham crackers and chocolate pieces. It’s a cozy, inviting look that always draws a crowd. I typically serve these warm, right fresh out of the oven or after just a few minutes resting, because that gooey marshmallow filling is best enjoyed melted and irresistible.

These cookies are great for family gatherings, outdoor picnics, or casual get-togethers where everyone can grab a warm treat. I’ve even brought them to potlucks, and they never fail to spark conversations. They’re bite-sized indulgences that feel like a hug in cookie form—definitely worth making for any dessert lovers in your life.

Variations

I love experimenting with this S'mores Brownie Cookies Recipe depending on the mood or occasion. For example, switching out the milk chocolate for semi-sweet or dark chocolate adds a nice bittersweet contrast for those who prefer a less sweet treat. If you want to sneak in some nuts, chopped pecans or walnuts inside the dough add a delightful crunch.

If you’re looking for gluten-free options, swapping the all-purpose flour with a gluten-free blend works beautifully here, giving you all the fudgy goodness without the gluten. For a vegan twist, I’ve had success using coconut oil instead of butter, a flax egg in place of the regular eggs, and dairy-free chocolate and marshmallows. The cookies might differ a little in texture but still capture that classic s’mores magic.

Finally, if you’re feeling adventurous with cooking methods, you could try baking these as smaller bite-sized drops, turning them into s’mores brownie cookie bites — perfect for sharing at parties. Just keep a close eye to avoid overcooking since smaller cookies bake faster!

Storage and Reheating

Storing Leftovers

After baking, let the cookies cool completely before storing. I usually keep them in an airtight container at room temperature, layering parchment paper between to prevent sticking. Stored this way, they stay fresh and chewy for up to 3 days. If you want to extend their life, the fridge is an option, but bring them back to room temperature before serving so they don’t lose that melty texture inside.

Freezing

Yes, these cookies freeze wonderfully! I like to freeze them in a single layer on a baking sheet first, and once solid, transfer them to a zip-top freezer bag or airtight container with parchment paper between layers to prevent sticking. They’ll keep their best quality for up to 2 months. When you’re ready, thaw them at room temperature or gently warm in the oven to bring back that gooey s’mores experience.

Reheating

To reheat, I recommend a quick 5-7 minute warm-up in a 300°F (150°C) oven. This warms the chocolate and marshmallow without drying out the cookie or melting the graham cracker base too much. Avoid microwaving since it can sometimes make the cookie rubbery or overly soft in spots. Reheating this way restores the cookie’s gooey, fudgy magic almost as if freshly baked.

FAQs

Can I use regular chocolate chips instead of the Hershey’s bars for the filling?

Absolutely! Regular chocolate chips or chunks work fine, but using Hershey’s bars is my personal favorite because of the authentic s’mores flavor and smooth melting quality. Just be sure to use enough to get that gooey surprise inside.

Do I have to chill the dough before baking?

Yes, chilling is key! It helps the cookies hold their shape and develop that beautiful crinkle top. Plus, it makes handling and assembling the cookies easier, so don’t skip this step if you want the best results.

Can I make these cookies bigger or smaller?

Definitely! Adjusting the size is easy, but remember that baking times will change. Larger cookies need slightly longer baking, while smaller ones require less. Just keep an eye to avoid overbaking and to maintain a soft center.

Is it possible to make these cookies dairy-free?

Yes, swap the butter for vegan margarine or coconut oil, use dairy-free chocolate chips, and replace regular marshmallows with vegan marshmallows. I’ve tried this version, and while the texture varies a bit, they’re every bit as delicious and perfect for dairy-free diets.

Can I use homemade graham crackers instead of store-bought?

Of course! Homemade graham crackers bring a wonderful fresh flavor and can make the cookies even more special. Just use squares that are sturdy enough to hold up under the cookie dough and filling without breaking apart.

Conclusion

I hope you’re as excited as I am to try this S'mores Brownie Cookies Recipe. It’s one of those desserts that feels like a special treat no matter the occasion, with layers of texture and flavor that bring pure joy. Once you bake a batch, I promise you’ll find yourself reaching for them again and again, sharing smiles and savoring those gooey bites. So go ahead, gather the ingredients, and make some memories with every warm, chocolaty mouthful.

S'mores Brownie Cookies Recipe

Why You'll Love This S'mores Brownie Cookies Recipe