Gooey S'mores Brownies

Prepare for a dessert experience that will change your life! These incredible S’mores Brownies, affectionately dubbed “Lazy Girl Fudgy S’mores Brownies,” are an absolute game-changer. Starting with a convenient boxed brownie mix, we elevate it with simple tricks to achieve a taste and texture even more decadent than many from-scratch recipes. Each luscious brownie rests upon a crisp graham cracker base and is crowned with perfectly toasted mini marshmallows, delivering the classic campfire treat experience right in your home, any time of year. Forget the hassle of a campfire; this easy S’mores brownie recipe brings all the gooey, chocolatey joy straight to your kitchen.

While you’re here discovering dessert perfection, don’t miss out on my 10 secrets to make boxed brownie mix taste like homemade, explore these delightful brownie mix cookies, and indulge in the seasonal goodness of these lazy girl pumpkin cheesecake brownies.

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Indulge in the Best & Most Decadent S’mores Brownies: An Unforgettable Dessert

These homemade S’mores Brownies are truly a revelation. They belong to that rare category of desserts you never knew you needed until you take that first blissful bite. Combining the beloved flavors of a classic campfire s’more with the irresistible chewiness of a rich chocolate brownie, this treat offers a nostalgic yet novel culinary experience. It’s more than just a dessert; it’s an invitation to savor pure comfort and joy.

Crafted with the convenience of a doctored-up brownie mix, this recipe is designed to save you precious time and effort. This means you can spend less time slaving in the kitchen and more time enjoying life’s simple pleasures, whether it’s relaxing outdoors or simply unwinding. Yet, despite its simplicity, the result is a gloriously fudgy and flavorful dessert that tastes like it was baked entirely from scratch. You get all the impressive results without any of the stress, making these “Lazy Girl S’mores Brownies” the perfect solution for satisfying your sweet tooth any day of the week.

Why These S’mores Brownies Are a Must-Try Recipe!

If you’re looking for a dessert that delivers on flavor, convenience, and pure indulgence, look no further. Here’s why you absolutely need to add these S’mores brownies to your baking repertoire:

Effortless & Time-Saving: By utilizing a boxed brownie mix and a few clever enhancements, these fudgy S’mores brownies come together quickly and easily. This recipe is perfect for busy schedules, allowing you to whip up an impressive dessert without spending hours in the kitchen.
A Symphony of Textures and Flavors: The combination of a chewy, fudgy chocolate brownie, a subtly crunchy graham cracker crust, and a crown of soft, ooey-gooey toasted marshmallows creates a truly heavenly experience. Each bite offers a delightful contrast of textures and a harmonious blend of classic S’mores flavors that will captivate your taste buds.
Perfect for Any Occasion: Whether you’re hosting a casual get-together, need a crowd-pleasing dish for a potluck, or want to bring a spectacular dessert to a BBQ, these S’mores brownies are guaranteed to impress. They’re a universal favorite that will satisfy everyone’s sweet tooth and leave them asking for more.
Beginner-Friendly Baking: This recipe is incredibly approachable for bakers of all skill levels. With simple ingredients and straightforward steps, the most challenging part will be assembling the layers and patiently waiting for your delicious creation to cool before slicing. It’s a fantastic recipe to build confidence in the kitchen.
Consistently Delicious Results: The doctored-up boxed brownie mix ensures a perfectly chewy and rich brownie base every single time. You won’t have to worry about inconsistent results; these S’mores brownies are reliably fudgy, making them a go-to recipe for any craving.
Year-Round Campfire Comfort: Enjoy the quintessential taste of a summer campfire treat without the need for a fire pit or chilly evenings. These S’mores brownies bring that cozy, nostalgic feeling indoors, making them a perfect dessert for any season.
Customizable Fun: While the classic S’mores elements are perfect, these brownies also offer opportunities for customization. Add a sprinkle of sea salt, swap chocolate chip types, or even drizzle with caramel for an extra twist.

Essential Ingredients for These Decadent S’mores Brownies

Creating these incredible S’mores brownies requires a few simple ingredients, many of which you likely already have in your pantry. Using high-quality components will enhance the flavor and texture of your dessert significantly. Below is a list of what you’ll need; for precise measurements, please refer to the detailed recipe card at the bottom of this post.

Brownie Mix: The foundation of our “lazy girl” recipe! Opt for a good quality boxed brownie mix designed for an 8×8 inch pan. A superior mix will lay the groundwork for a truly decadent dessert.
Egg Yolks: These are our secret weapon for an ultra-fudgy and rich brownie. The extra yolks add moisture and density, creating that coveted dense texture. If you prefer, you can use whole eggs according to your brownie mix instructions, but for maximum fudginess, egg yolks are key.
Vegetable Oil or Butter: You have a choice here. Vegetable oil contributes to a moist, chewy brownie. For an even richer, buttery flavor, melted unsalted butter is an excellent alternative that adds depth and decadence.
Coffee: Freshly brewed hot coffee is a magical ingredient that deepens the chocolate flavor without making the brownies taste like coffee. The hot liquid also helps to bloom the cocoa powder in the mix. If you’re not a coffee fan, hot water works perfectly as a substitute.
Vanilla Extract: A touch of pure vanilla extract enhances all the other flavors, especially the chocolate, adding warmth and complexity to the brownies.
Salt: A pinch of salt is crucial. It balances the sweetness and brings out the robust chocolate notes, preventing the brownies from tasting one-dimensional.
Chocolate Chips: You can choose your favorite! Semi-sweet chocolate chips are a classic choice, offering a balanced sweetness. Milk chocolate chips will make the brownies even sweeter and creamier. They add extra pockets of molten chocolate throughout the fudgy batter.
Graham Crackers: These form the crispy, subtly sweet crust. Any brand or type of graham cracker will work beautifully, providing that essential S’mores base.
Mini Marshmallows: The iconic topping that pulls the whole S’mores theme together. Mini marshmallows melt beautifully and toast to a golden, gooey perfection, creating that irresistible charred S’mores finish.
Nonstick Cooking Spray: This essential tool will be your best friend when it comes to slicing these brownies. Spraying your knife prevents the sticky, melted marshmallows from adhering, ensuring clean, perfect cuts every time.

How to Craft These Fudgy S’mores Brownies: A Step-by-Step Guide

Making these S’mores fudgy brownies is a delightful and straightforward process, perfect for any brownie lover. Follow these easy steps to create your own batch of this irresistible dessert. For complete detailed instructions and precise timings, please refer to the recipe card below.

Prepare Your Baking Pan: Begin by preheating your oven to 325°F (160°C). Line an 8×8-inch baking pan with parchment paper or aluminum foil, making sure to leave an overhang on the sides. This “sling” will make it incredibly easy to lift the cooled brownies out of the pan later, ensuring no sticky situations!
Create the Graham Cracker Base: Arrange the graham cracker sheets neatly on the bottom of the prepared pan, forming a single, even layer. You may need to break some of the crackers into smaller pieces to fill any gaps and ensure the entire surface is covered. This forms the crunchy foundation for our S’mores brownies.
Mix the Decadent Brownie Batter: In a large mixing bowl, combine the boxed brownie mix, rich egg yolks, hot brewed coffee (or hot water for a coffee-free option), vegetable oil (or melted butter), vanilla extract, and a pinch of salt. Stir these ingredients together until a thick, uniform batter forms. Be careful not to overmix; just combine until smooth.
Fold in Chocolate Chips: Gently fold in your chosen chocolate chips (semi-sweet or milk chocolate) into the brownie batter. These will melt into luscious pockets of chocolate as the brownies bake, adding an extra layer of indulgence.
Bake the Brownie Layer: Carefully pour the prepared brownie batter over the graham cracker base in the pan. Use an offset spatula or the back of a spoon to spread the batter into an even layer, ensuring it covers the graham crackers completely. Bake in the preheated oven for approximately 40 minutes, or until a toothpick inserted into the center comes out with moist crumbs, not wet batter.
Add the Marshmallow Topping: Once the initial brownie baking time is complete, remove the pan from the oven. Evenly sprinkle the mini marshmallows over the warm brownie layer. Return the pan to the oven and bake for an additional 3-5 minutes, just until the marshmallows begin to puff up and turn slightly golden. Keep a close eye on them to prevent burning.
Achieve the Perfect Toast: For that authentic, beautifully charred S’mores marshmallow look and taste, you have two options. You can use a kitchen torch to gently toast the tops of the marshmallows until they are golden brown and slightly caramelized. Alternatively, you can briefly place the brownies under your oven’s broiler for 1-2 minutes, watching them *very* closely to avoid burning.
Cool, Slice, and Enjoy: This is arguably the hardest part! Allow your S’mores brownies to cool down completely in the pan on a wire rack. This is crucial for achieving clean, neat slices. Once fully cooled, use the parchment paper overhang to lift the brownies out of the pan. Slice them into squares and savor every bite of your perfectly toasted marshmallow brownies! Don’t forget to check the FAQ section for tips on achieving those pristine cuts.

Frequently Asked Questions (FAQ) about S’mores Brownies

How to Store These S’mores Brownies?

To keep your delicious S’mores brownies fresh and flavorful, store them in an airtight container at room temperature. They will remain wonderfully edible for up to 4 days. It’s important to note that as they sit, the graham cracker crust may absorb some moisture from the brownies and soften slightly. While they are still delicious, for an optimal experience, you might want to consider gently re-toasting individual portions or warming them briefly in the microwave. Reheating will revive the gooeyness of the marshmallows and a hint of the crispness in the graham cracker base, transforming them back into a warm, melty, and incredibly satisfying treat.

How Can I Achieve Clean Cuts for My S’mores Brownies?

Achieving perfectly neat and appealing slices for any brownie is a common desire, and for these S’mores brownies with their gooey marshmallow topping, a few extra steps are key. The golden rule for clean brownie cuts is patience: always allow your brownies to cool down completely to room temperature before attempting to slice them. This firming-up period is crucial for the structure of the brownie and prevents crumbling.

However, for this specific S’mores recipe, the marshmallow layer introduces an additional challenge. To prevent the sticky, melted marshmallows from pulling and tearing during slicing, make sure to spray your knife generously with nonstick cooking spray or lightly coat it with a neutral oil before each cut. Wipe the knife clean between slices and reapply the spray or oil as needed. Using a sharp, thin knife also helps immensely. Following these tips will yield beautiful, picture-perfect brownie squares that are almost too pretty to eat – but we highly encourage you to do so!

Can I Use Homemade Brownie Mix Instead of Boxed?

Absolutely! While this recipe is designed for the convenience of boxed brownie mix, you can certainly use your favorite homemade fudgy brownie recipe. Just ensure the amount of batter fits an 8×8 inch pan. Adjust baking times as necessary for your specific homemade recipe, then proceed with the graham cracker base and marshmallow topping steps as outlined.

What if I Don’t Have a Kitchen Torch?

No kitchen torch? No problem! You can still achieve beautifully toasted marshmallows. Simply place the pan with the marshmallow-topped brownies under your oven’s broiler. Keep a very close eye on them, as marshmallows can go from perfectly golden to burnt in a matter of seconds. Broil for 1-2 minutes, turning the pan if necessary, until the marshmallows are toasted to your liking. Once golden, remove immediately and let cool.

Can I Use Different Sized Marshmallows?

Mini marshmallows are recommended because they melt and toast evenly, covering the brownie surface beautifully. Larger marshmallows might create bigger, more distinct pockets of melt, which can also be delicious, but they might not provide the same uniform topping. If using larger marshmallows, you might need slightly more baking time for them to soften and puff, and a bit more attention under the broiler to toast evenly.

Can I Prepare These S’mores Brownies Ahead of Time?

Yes, you can certainly prepare these S’mores brownies a day in advance. Store them in an airtight container at room temperature. As mentioned, the graham cracker crust might soften slightly. If serving to guests, you could briefly warm them in the oven or microwave just before serving to refresh the gooey marshmallow texture.

Lazy Girl S’mores Brownies Recipe

Rating: 5 out of 5 stars (3 votes)

Lazy Girl S’mores Brownies

This delicious lazy girl s’mores brownie recipe is the perfect mix of chocolate, marshmallow, and graham crackers!

Prep: 10 minutes

Cook: 45 minutes

Total: 55 minutes

Servings: 16 servings

Ingredients

5 graham cracker sheets
1 box of brownie mix for an 8×8 inch pan
2 egg yolks
1/2 cup vegetable oil or melted butter
1/3 cup brewed hot coffee
1 tsp vanilla extract
1/4 tsp salt
1/2 cup chocolate chips
2 cups mini marshmallows

Instructions

Preheat the oven to 325°F (160°C). Line the bottom of an 8×8-inch baking pan with parchment paper or aluminum foil, leaving an overhang on the sides for easy removal later.
Place the graham cracker sheets on the bottom of the pan in a single layer, covering the entire surface. You may need to break some of the sheets to fit them evenly.

5 graham cracker sheets
In a large bowl, mix the brownie mix, egg yolks, hot brewed coffee, vegetable oil, vanilla extract, and salt until a thick batter forms. Gently fold in the chocolate chips.

1 box of brownie mix, 2 egg yolks, 1/2 cup vegetable oil, 1/3 cup brewed hot coffee, 1 tsp vanilla extract, 1/4 tsp salt, 1/2 cup chocolate chips
Pour the brownie batter evenly over the layer of graham crackers in the prepared pan. Spread into an even layer and bake in the preheated oven for 40 minutes.
Pull the brownies out of the oven and carefully top them with the mini marshmallows. Place back in the oven and bake for another 3-4 minutes, or until marshmallows begin to puff slightly.

2 cups mini marshmallows
Remove the pan from the oven. Using a kitchen torch, carefully toast the marshmallows on top until golden brown. Alternatively, use the broiler method (see note below). Allow the brownies to cool down fully before slicing and enjoying. Read the notes on how to slice this dessert for clean cuts.

How to toast marshmallows without a kitchen torch?

If you don’t have a kitchen torch, place the pan with the marshmallows under the broiler. Keep a very close eye on it, as marshmallows can brown quickly. Toast until they turn golden brown, but be careful not to let them burn. This should only take a few minutes, so stay nearby to monitor the process closely.
Once the marshmallows are toasted to your liking, remove the pan from the oven and let it cool completely on a wire rack before slicing.

Nutrition

Nutrition information is automatically calculated, so should only be used as an approximation.

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If these fudgy S’mores brownies have captured your heart (and your stomach!), make sure to save this incredible recipe. Pin it to your favorite dessert boards on Pinterest so you can easily find it whenever that S’mores craving strikes. Sharing is caring, and this “lazy girl” S’mores brownie recipe is definitely worth sharing with friends and family!