S’mores Brownie Mix Cookies offer a delightful twist on a classic treat, combining the rich, fudgy goodness of brownies with the iconic flavors of s’mores. These incredibly easy cookies are crafted using a simple brownie mix, perfectly toasted marshmallows, crisp graham crackers, and delectable chocolate. They are the ultimate summer treat, bringing the campfire experience right into your kitchen with minimal effort and maximum flavor.

As summer unfolds, the allure of s’mores around a crackling campfire is undeniable. However, not every day allows for an outdoor adventure. What if you could capture that magical s’mores experience from the comfort of your home, without the smoke or the hassle? Our S’mores Brownie Mix Cookies are the perfect solution! They deliver all the gooey, chocolatey, crunchy satisfaction of traditional s’mores in a convenient, handheld cookie format. Whether it’s a rainy day, a quick dessert craving, or a gathering where a campfire isn’t feasible, these cookies are designed to bring joy and that nostalgic taste of summer right to your plate.

Unlocking the Magic of S’mores Brownie Mix Cookies
Creating these irresistible S’mores Brownie Mix Cookies is a straightforward process that yields impressive results. The base of these cookies starts with a standard box of brownie mix, which is then enhanced with a few pantry staples like flour, eggs, melted butter, a touch of rich chocolate syrup, and a hint of vanilla extract. For an extra layer of chocolatey delight, mini chocolate chips are folded into the luscious cookie dough before it’s scooped and baked to perfection. The real magic happens post-baking: each warm, fudgy cookie is gently placed on a crisp graham cracker square. A halved marshmallow is then pressed onto the cookie and briefly broiled until it’s beautifully golden and gooey. Finally, a square of classic Hershey’s chocolate is pressed onto the melted marshmallow, creating that quintessential s’mores combination. The warmth of the cookie and marshmallow ensures the chocolate melts just right, providing a decadent finish to this simplified summer delight.

Essential Ingredients for Your S’mores Brownie Adventure
Crafting the perfect S’mores Brownie Mix Cookies begins with selecting the right ingredients. Each component plays a vital role in achieving that sought-after texture and flavor profile.
Brownie Mix: The foundation of our easy cookie recipe! Opt for a 16.3-ounce box of your favorite brownie mix. Any brand or variety will work wonderfully, whether you prefer classic fudge, dark chocolate, or even milk chocolate. This mix simplifies the baking process significantly, allowing you to create impressive cookies with minimal fuss.
All-Purpose Flour: A small addition of all-purpose flour to the brownie mix is key to transforming it from a cake-like batter into a cookie dough with the ideal consistency. This ensures your cookies are perfectly chewy and hold their shape, rather than spreading too thin or being overly crumbly. It’s the secret to getting that perfect brownie-cookie hybrid texture.
Large Eggs: Two large eggs act as the primary binding agents, bringing all the ingredients together into a cohesive and smooth dough. They also contribute to the richness and moistness of the cookies, ensuring a tender bite every time.
Melted Butter: Real butter is highly recommended for its superior flavor and richness. Melted butter provides essential moisture to the cookie dough, creating a soft, fudgy interior. Using good quality butter truly elevates the taste of these cookies.
Chocolate Syrup: A single tablespoon of chocolate syrup might seem like a small addition, but it packs a powerful punch, intensifying the chocolate flavor of your cookies. While optional, incorporating it adds a depth that makes these brownie cookies truly stand out. Don’t skip it if you want the ultimate chocolate experience!
Vanilla Extract: High-quality vanilla extract is indispensable in baking. It enhances all the other flavors, particularly the chocolate, adding a subtle warmth and aromatic complexity that makes the cookies more delicious. Invest in a good vanilla for the best results.
Miniature Chocolate Chips: Can you ever have too much chocolate? We think not! Miniature chocolate chips fold seamlessly into the dough, providing delightful pockets of melted chocolate throughout each bite. While technically optional, they are a fantastic addition for any chocolate lover and contribute to the rich, gooey texture. They are a must-have in our book!
Graham Crackers: No s’mores are complete without the iconic crunch of graham crackers. For this recipe, break each full graham cracker sheet into 8 smaller, even squares. These squares are slid under each cookie immediately after baking to prevent them from burning, creating a stable, flavorful base that perfectly mimics the s’mores experience.
Regular-Sized Marshmallows: You’ll need 16 regular-sized marshmallows, each cut in half. These marshmallow halves are placed on top of each warm, baked cookie and then lightly broiled to achieve that quintessential golden-brown, toasted marshmallow exterior with a gooey, melted interior. This step is crucial for the authentic s’mores flavor.
Hershey’s Chocolate Bars: The final touch to any perfect s’more! A square of classic Hershey’s milk chocolate bar is gently pressed onto the warm, broiled marshmallow. The heat from the cookie and marshmallow will slightly melt the chocolate, allowing it to soften and blend beautifully, completing the trifecta of s’mores flavors and textures.

How to Bake Irresistible S’mores Brownie Mix Cookies
Follow these detailed steps to create your batch of fudgy, s’mores-inspired brownie cookies.
First, prepare your baking station: Preheat your oven to 375°F (190°C). Line two large baking sheets with parchment paper or silicone baking mats. This crucial step ensures your cookies don’t stick and makes for easy cleanup.
MAKE THE COOKIES

1. In a spacious mixing bowl, thoroughly combine the brownie mix and the measured flour. Use a whisk or fork to ensure these dry ingredients are well integrated.

2. Add all the wet ingredients to the dry mixture: the eggs, melted butter, rich chocolate syrup, and fragrant vanilla extract. Use a hand mixer on low speed or a sturdy fork to stir until all ingredients are just combined and a soft, fudgy dough forms. Be careful not to overmix.

3. Gently fold in the miniature chocolate chips using a spatula. Distribute them evenly throughout the dough for chocolatey goodness in every bite.
4. Using a 1-tablespoon cookie scoop, portion out the cookie dough into uniform balls. Arrange these dough balls on your prepared baking sheets, leaving approximately 2 inches between each to allow for spreading. Bake for 7 minutes. The cookies will look slightly soft in the middle, but they will firm up as they cool.
5. While your cookies are baking, take this time to prepare your s’mores toppings. Break your graham crackers into small, individual squares (each full cracker sheet should yield 8 squares). Break your chocolate bars into single squares. Lastly, cut your regular-sized marshmallows in half horizontally, ensuring the cut side is flat.
ADD GRAHAM CRACKERS AND CHOCOLATE BARS

6. As soon as the cookies are removed from the oven, use a spatula to carefully slide a graham cracker square directly underneath each warm cookie. The heat from the cookie will help it adhere slightly to the cracker.

7. Place one half of a marshmallow (cut side down) on top of each cookie and gently press it down to secure it. This flat surface will help it melt and toast more evenly.

8. Turn your oven broiler to high. Carefully return the baking sheets with the topped cookies to the oven for approximately 1 minute. Stay vigilant and watch them closely! Broilers vary significantly, and marshmallows can go from perfectly golden to burnt in a matter of seconds. You want a beautifully toasted, slightly browned exterior.
9. As soon as the marshmallows achieve that lovely golden-brown hue, remove the cookies from the oven immediately.

10. Allow the cookies to cool on the baking sheet for a few minutes. While still warm, top each broiled marshmallow with a square of Hershey’s chocolate bar, pressing down gently. The residual heat will soften the chocolate, creating a delightful melted layer.
11. For an extra touch of s’mores authenticity and texture, you can sprinkle some finely crushed graham cracker crumbs over the tops of the cookies while the chocolate is still soft.


S’mores Brownie Mix Cookies
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Ingredients
- 1 16.3 oz box of brownie mix
- ¼ cup unbleached flour
- 2 large eggs
- ¼ cup butter melted
- 1 tablespoon chocolate syrup
- 1 teaspoon vanilla extract
- ½ cup miniature chocolate chips
- 4 graham cracker sheets broken into 8 squares each
- 16 regular-sized marshmallows cut in half
- 3-4 Hershey’s chocolate bars broken into squares
Instructions
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Preheat oven to 375°F (190°C). Line two baking sheets with parchment paper or silicone baking mats.
MAKE THE COOKIES
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In a large bowl, combine the brownie mix and flour.
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Stir in the wet ingredients (eggs, melted butter, chocolate syrup, and vanilla) using a hand mixer or fork until just combined.
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Fold in the miniature chocolate chips until evenly distributed.
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Using a 1 tablespoon cookie scoop, place dough balls 2 inches apart on the prepared baking sheets. Bake for 7 minutes.
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While cookies bake, break graham crackers into 8 squares each, break chocolate into pieces, and cut marshmallows in half.
ADD GRAHAM CRACKERS AND CHOCOLATE BARS
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Remove cookies from oven. Use a spatula to slide a graham cracker square under each warm cookie.
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Place a marshmallow half (cut side down) on top of each cookie and gently press.
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Turn on oven broiler to high. Return cookies to the oven for about 1 minute, watching constantly until marshmallows are golden brown.
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Remove cookies from the oven immediately once marshmallows are browned.
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Let cookies cool for a few minutes on the baking sheet before topping each with a piece of chocolate bar.
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Optionally, sprinkle some graham cracker crumbs on top for extra texture and flavor.
Nutrition

Expert Tips for Crafting the Best Brownie S’mores Cookies
Achieving bakery-quality S’mores Brownie Mix Cookies is simple with these expert tips:
- Always Preheat Your Oven: This golden rule of baking ensures that your cookies encounter consistent heat from the moment they enter the oven. A properly preheated oven helps cookies bake evenly, preventing raw centers or burnt edges, and guaranteeing perfect results every time.
- Utilize a Cookie Scoop: For perfectly uniform cookies, a cookie scoop is your best friend. It ensures each cookie is the same size, promoting even baking and a beautiful presentation. Plus, it makes the scooping process much faster and cleaner.
- Invest in Quality Baking Surfaces: Using parchment paper or a silicone baking mat is a game-changer. These non-stick surfaces prevent your cookies from adhering to the baking sheet, allowing them to effortlessly slide off the pan in their ideal shape without any scraping or damage. This is especially important for delicate cookies like these.
- Avoid Overbaking: Brownie cookies are best when they are slightly underbaked in the center. When you remove them from the oven, they might still appear a little soft, but they will continue to firm up and set as they cool on the hot baking sheet for a few extra minutes. This technique ensures a deliciously fudgy and chewy interior.
- Broiling with Caution: The broiling step for the marshmallows requires your undivided attention. Marshmallows can burn quickly under the broiler. Keep a close eye on them, as the time can range from mere seconds to just over a minute, depending on your oven’s broiler strength. You’re aiming for a beautiful golden-brown toast, not a char.
- Chocolate Quality Matters: While Hershey’s bars are traditional for s’mores, feel free to experiment with other milk chocolate or even dark chocolate varieties for a gourmet twist. The quality of your chocolate can significantly impact the final taste.
Storing Your Delicious Brownie S’mores Cookies
To keep your S’mores Brownie Cookies fresh and delicious, store them at room temperature in an airtight container. They will maintain their quality for up to 1 week. For the best experience, gently warm them in the microwave for a few seconds before serving to re-soften the marshmallow and chocolate, bringing them closer to that freshly baked gooeyness.

Troubleshooting: Why Are My Cookies Burning on the Bottom but Not Done in the Middle?
This common baking dilemma often points to an issue with your baking equipment. If your cookies consistently burn on the bottom while remaining undercooked in the middle, here’s what might be happening:
- Dark-Colored Baking Sheets: Dark baking sheets absorb and retain more heat, which can cause the bottoms of your baked goods to cook faster and potentially burn before the rest of the cookie is thoroughly done. Switching to lighter-colored, reflective baking sheets can help mitigate this problem.
- Excessive Cooking Spray: Using too much cooking spray can also contribute to burnt bottoms. The oils can essentially fry the bottom of the cookie. If you find yourself needing to use spray, opt for a very light coating.
- Solution – Embrace Silicone Mats or Parchment Paper: As mentioned in our tips, I’ve become a huge advocate for silicone baking mats over the years. They provide an excellent non-stick surface without the need for additional oils, and their insulating properties help distribute heat more evenly, preventing burnt bottoms. Parchment paper offers similar benefits. These tools not only ensure easy removal of cookies but also promote more even baking.
Can You Freeze S’mores Brownie Cookie Dough?
Absolutely! Freezing cookie dough is a fantastic way to prepare ahead and enjoy freshly baked cookies whenever a craving strikes. Here’s how to do it:
To Freeze Cookie Dough: Roll the S’mores Brownie Mix cookie dough into individual balls using your 1-tablespoon scoop. Arrange these dough balls on a baking sheet, ensuring they are just far enough apart that they aren’t touching each other. Place the entire baking sheet in the freezer for 1-2 hours, or until the dough balls are completely solid. Once frozen, transfer the solid cookie dough balls into a freezer-safe Ziploc bag or an airtight container. They can be stored in the freezer for up to 3 months.
Baking from Frozen: When you’re ready to bake, you have a couple of options. Frozen cookie dough balls thaw relatively quickly, so you can allow them to come to room temperature on a baking sheet for about 20-30 minutes before baking according to the recipe instructions. Alternatively, you can bake them directly from the freezer; however, you may need to add an extra minute or two to the baking time to ensure they are fully cooked through and fudgy in the center. Keep an eye on them, as oven temperatures can vary.

More Delicious S’mores-Inspired Recipes to Explore:
If you’re as passionate about s’mores as we are, you’ll love exploring these other creative takes on the classic campfire treat:
- 4-Ingredient S’mores Chocolate Chip Cookies
- S’mores Oatmeal Cookies
- S’mores Popcorn
- S’mores Poke Cake
- Fudge Striped Cookie S’mores
- Chocolate Chip S’mores Cookies
- S’mores Cookie Sandwiches
- S’mores Cookies
- Baked S’mores Bars
- Graham Cracker S’mores Cookies
- S’mores Fudge
- No-Bake S’mores Bars
- S’mores Cheesecake
- S’mores Brownies

Whether you’re hosting a summer party, looking for a quick and satisfying dessert, or simply craving the nostalgic flavors of s’mores, these S’mores Brownie Mix Cookies are an absolute winner. Combining the fudgy delight of brownies with the classic trio of graham crackers, toasted marshmallows, and melted chocolate, this easy cookie recipe promises a truly unforgettable summer treat that everyone will adore. Enjoy baking and savoring these delightful creations!