Imagine the melt-in-your-mouth decadence of a brownie, fused with the gooey, campfire nostalgia of classic s’mores—now, add the chewy comfort of a cookie. That’s the magic of S’mores Brookies, a treat that’s equal parts chocolatey indulgence, marshmallow fluff, and golden cookie. If you’re ready for a dessert that satisfies every sweet craving, S’mores Brookies will become your ultimate crowd-pleaser for gatherings, bake sales, or just because you want a little taste of summer all year long.

Ingredients You’ll Need

It’s amazing how some simple pantry staples can create something truly spectacular. Each ingredient in S’mores Brookies plays a starring role—whether providing structure, sweetness, or that irresistible chewy texture. Here’s what you’ll need, plus a tip for every step!

Kodiak Chocolate Fudge Brownie Mix: This mix is the foundation of that fudgy, decadent bottom layer, packed with rich cocoa flavor.
Butter, melted (1/2 cup): Melted butter keeps the brownie layer ultra-moist and luscious.
Avocado oil (2 tablespoons): Adds a hint of healthy fats and helps the brownies stay tender.
Water (2 tablespoons): Just enough moisture to bind the brownie batter without thinning it too much.
Butter, softened (1/2 cup): Essential for creaming with sugar to make the cookie dough light and fluffy.
Light brown sugar (1 cup): Provides sweet, caramel notes and chewiness to the cookie layer.
Eggs (3 total): Two for the brownies, one for the cookie dough; eggs bind everything together and add richness.
Egg yolks (2 additional): These up the fudginess and the cookie’s tenderness—don’t skip them!
Vanilla (1 teaspoon): A touch of vanilla makes all the chocolate flavors sing beautifully.
Kodiak Chocolate Chip Power Cakes Flapjack & Waffle Mix (1 1/2 cups): The secret to hearty, satisfying cookie dough with extra protein.
Chocolate chips (1/4 cup): Just a sprinkle gives little pockets of melted chocolate throughout the brookies.
Mini marshmallows (1/2 cup): For that gooey s’mores magic when they melt and toast in the oven.
Kodiak S’mores Chewy bars (2, crumbled): Adds a true s’mores twist—crumbly, marshmallowy bites on top.

How to Make S’mores Brookies

Step 1: Prep the Pan and Oven

Start by preheating your oven to 350°F—getting that temperature just right is key for even baking. Line a 9×13″ baking pan with parchment paper so your S’mores Brookies lift out cleanly and the edges stay perfectly chewy without sticking.

Step 2: Whip Up the Brownie Batter

Grab a large mixing bowl and add the brownie mix, melted butter, avocado oil, two eggs, and water. Whisk until you have a smooth, glossy batter. This layer becomes the deeply chocolatey base that holds everything together with just the right amount of fudginess.

Step 3: Spread and Set Aside

Pour the brownie batter into your prepared pan, spreading it evenly all the way to each corner. Then set it aside—now it’s time to get working on that irresistible cookie dough layer!

Step 4: Fluffy Cookie Dough Magic

In a clean, large bowl, beat your softened butter with the brown sugar for a solid five minutes. Don’t rush this step! You want it super light and creamy, which creates a cookie dough that practically melts in your mouth. Add the remaining egg and both egg yolks one at a time, mixing well after each addition. Splash in the vanilla and beat again to combine.

Step 5: Doughy Goodness

Gradually beat in the chocolate chip flapjack & waffle mix. You’ll notice the dough gets thick and rich—the perfect consistency to scoop and flatten. Make mounds of cookie dough, flatten each one to about half an inch thick, and gently lay these on top of the brownie batter until the surface is covered.

Step 6: S’mores Toppings Galore

It’s time for the signature s’mores finish! Evenly sprinkle chocolate chips, mini marshmallows, and those crumbled s’mores chewy bars across the top of the cookie dough. These melt into gooey, golden, toasty pockets and give the top that classic fireside look.

Step 7: Bake to Perfection

Slide the pan into your preheated oven and bake for 25 to 30 minutes. Watch for the top to turn golden, the marshmallows to caramelize, and a skewer poked into the cookie layer to come out mostly clean. Let your S’mores Brookies cool completely—patience pays off!—before slicing into perfect bars.

How to Serve S’mores Brookies

Garnishes

There’s plenty of built-in drama with those molten marshmallows and melty chocolate pools, but if you really want to go the extra mile, top each bar with a drizzle of chocolate or caramel sauce. A dollop of whipped cream or even a dusting of graham cracker crumbs will bring all the campfire vibes right to your plate.

Side Dishes

S’mores Brookies are robustly rich, so cool them down with some fresh berries, a scoop of vanilla ice cream, or even a tall glass of cold milk. For a more grown-up twist, try them alongside a cup of espresso or a glass of dessert wine—the flavors truly shine each paired way.

Creative Ways to Present

For parties, cut brookies into bite-sized squares and skewer them with mini marshmallows on top for a playful look. If you’re going to a picnic, wrap each bar in parchment and tie with string for grab-and-go nostalgia. Or create a stunning brookie sundae by serving warm wedges under a scoop of ice cream with all the s’mores fixings!

Make Ahead and Storage

Storing Leftovers

Once your S’mores Brookies have cooled and been cut into squares, stash them in an airtight container at room temperature for up to three days. Separate layers with parchment paper to prevent sticking, and you’ll have easy, portable treats ready whenever a craving strikes.

Freezing

S’mores Brookies freeze incredibly well! Wrap individual bars tightly in plastic wrap and place them in a freezer bag or airtight container. They’ll keep for up to two months. Thaw overnight at room temperature to enjoy soft, chewy texture again.

Reheating

If you love your brookies warm and gooey, pop them in the microwave for 10-15 seconds—it’ll revive those marshmallow swirls and make the chocolate extra melty. For oven reheating, 300°F for 5 minutes does the trick, so they taste as fresh as the day you baked them.

FAQs

Can I use a different brownie or cookie mix?

Absolutely! The recipe works with most brownie or cookie mixes, but the Kodiak blends add a little extra protein and a unique, hearty texture. Feel free to experiment with what you have on hand.

Do I have to use Kodiak S’mores Chewy bars?

No worries if you can’t find them! Swap in graham crackers or your favorite s’mores-flavored snack bars. Just crumble and sprinkle them on top for that signature crunch.

Can I add more marshmallows?

Marshmallow fans, rejoice: you can definitely add extra! Just be aware they might get a bit stickier on top, but for many people, that’s a bonus. You can also press a few more into the brookies during the last 5 minutes of baking for extra gooeyness.

How do I know when the brookies are done baking?

The top should be lightly golden and the marshmallows a little toasted. A toothpick inserted into the cookie part should come out with a few moist crumbs, but not batter. They’ll continue to set up as they cool, so don’t overbake!

Can I make S’mores Brookies gluten-free?

Yes, just substitute your favorite gluten-free brownie and cookie mixes, and check your marshmallows and add-ins to make sure they’re gluten-free. The results will be just as delicious and indulgent.

Final Thoughts

Once you sink your teeth into these glorious S’mores Brookies, you’ll wonder where they’ve been your whole life. They’re nostalgic, ooey-gooey, and so much fun to share—or hoard for yourself! Give them a try, and let the magic of s’mores and brookies come together in your very own kitchen.