S’mores Brownies Recipe

Get ready to fall head over heels for S’mores Brownies! This irresistible dessert takes everything you love about campfire s’mores — gooey marshmallows, melty chocolate, and crunchy graham crackers — then wraps it all up in a rich, fudgy brownie. Whether you’re gathering with friends or treating yourself after a long week, these brownies bring cozy nostalgia and pure joy in every bite. With simple steps and a few pantry staples, you’ll be minutes away from a treat that disappears as fast as you can serve it!

S’mores Brownies Recipe - Recipe Image

Ingredients You’ll Need

The magic of S’mores Brownies is how effortlessly these classic ingredients combine for a treat that truly wows. Every component, from the brownie base to the final gooey topping, plays a key role in making each bite a delightful balance of taste and texture.

  • Brownie Mix (18.3 oz): Your favorite box mix keeps things simple, and a family-size package fills a 13×9 pan for plenty to share.
  • Eggs (2 large): These provide structure and some rich flavor—use what your mix calls for “cakey” brownies for the right texture.
  • Vegetable Oil (1/3 cup): Keeps your brownies soft, moist, and deliciously tender.
  • Water (1/3 cup): Helps bind and hydrate the batter for a smooth, bake-ready mix.
  • Graham Crackers (6 sheets): Broken into bite-size pieces for that signature crunch and nostalgic s’mores flavor.
  • Miniature Marshmallows (2 cups): These puff up beautifully and create gooey, golden pockets on top.
  • Hershey’s Milk Chocolate Bars (12 snack-size): Broken into squares, these add a classic creamy melt that makes these brownies feel just like the campfire treat.

How to Make S’mores Brownies

Step 1: Prepare Your Brownie Batter

Start by preheating your oven to 350 degrees Fahrenheit. In a large mixing bowl, combine the brownie mix, eggs, vegetable oil, and water, following the package directions for “cakey” brownies. Stir until everything is just blended and the batter looks glossy and thick. Pour your brownie batter into a greased 13×9-inch baking pan, spreading it to the corners so it’s nice and even.

Step 2: Bake the Brownies

Slide your pan onto the center rack of your preheated oven and bake at 350˚F for about 20 minutes. You want the brownies to be almost done—look for the edges to be set and the middle to test with a toothpick that comes out just a bit wet or with a few moist crumbs, not clean. This keeps the center fudgy and the brownies extra soft.

Step 3: Add the S’mores Toppings

Once your brownies are just under-baked, take the pan out and immediately sprinkle over the graham cracker pieces and a generous layer of miniature marshmallows. Drop chocolate bar squares all across the marshmallows, tucking some between crackers for that iconic s’mores melt. This layering ensures every bite tastes like a campfire classic!

Step 4: Bake Again for the Perfect Finish

Return your pan to the oven and bake for an additional 5 minutes. Watch closely—the marshmallows will puff up and turn golden, and the chocolate squares will become beautifully soft and melty. This short second bake brings everything together in a gooey, crispy-topped masterpiece.

Step 5: Cool and Cut the Brownies

While they’re warm, use a knife coated with nonstick spray to cut clean slices (keep spraying as needed). If you’d rather wait, let your brownies cool completely before slicing them into 5×4 rows for 20 crave-worthy squares. Either way, you’re in for the classic S’mores Brownies experience—no campfire required!

How to Serve S’mores Brownies

S’mores Brownies Recipe - Recipe Image

Garnishes

Let your S’mores Brownies shine by topping them with a few extra mini marshmallows or a sprinkle of crushed graham crackers just before serving. For extra flair, you can add a drizzle of melted chocolate or even a pinch of flaky sea salt—each little detail adds a touch of indulgence and makes these brownies look as fabulous as they taste.

Side Dishes

Pair your S’mores Brownies with a scoop of vanilla ice cream for the ultimate warm-and-cold combo, or serve them alongside a tangy raspberry coulis to balance the richness. For gatherings, fresh berries or sliced bananas add a nice fruity contrast, making dessert feel both festive and special.

Creative Ways to Present

Serve S’mores Brownies stacked tall on a rustic wooden board to evoke campfire vibes, or wrap individual squares in parchment and twine for fun party favors. You can also cut them into fun shapes with cookie cutters or turn them into brownie sundaes—just top with ice cream, extra marshmallows, and a drizzle of hot fudge.

Make Ahead and Storage

Storing Leftovers

Keep your S’mores Brownies fresh by covering the pan tightly with plastic wrap or foil and storing them at room temperature for up to three days. As they sit, the graham crackers will soften slightly, blending that classic crunch with the gooey chocolate and marshmallow in the most delicious way.

Freezing

Want to save some for later? Cut cooled brownies into squares and freeze in a single layer in an airtight container. You can add wax paper between layers to prevent sticking. They’ll stay tasty for up to three months—ideal for a surprise sweet treat when cravings hit!

Reheating

To enjoy those gooey marshmallow and melted chocolate vibes all over again, simply pop a brownie (or several!) in the microwave for 10 to 15 seconds. This quick reheat revives their gooey texture perfectly—just like they’re fresh from the oven. Perfect for a quick dessert or a midnight snack!

FAQs

Can I use homemade brownie batter instead of boxed mix?

Absolutely! If you have a favorite homemade brownie recipe that fits a 13×9-inch pan, go right ahead. Just make sure to aim for a slightly cakey texture, so your S’mores Brownies stay sturdy under all those toppings.

What’s the best way to cut gooey S’mores Brownies neatly?

Spray your knife with nonstick cooking spray and wipe it clean between cuts. For especially clean slices, let the brownies cool completely before cutting, or even chill them for an hour in the fridge before slicing.

Can I make S’mores Brownies gluten free?

Yes! Just use a gluten-free brownie mix and opt for gluten-free graham crackers. The rest of the ingredients should be naturally gluten free, but always double-check your labels to be sure.

How do I keep marshmallows from burning on top?

Five minutes in the oven is usually just right, but ovens can vary. Keep an eye on the marshmallows during the second bake—once they’re puffed and golden (not dark brown), your brownies are ready to come out.

What kind of chocolate can I use if I don’t have Hershey’s bars?

Any creamy milk chocolate will do! Use chocolate chips, chopped chocolate bars, or even mini peanut butter cups for a twist. The key is melting pockets of chocolate that echo classic s’mores goodness.

Final Thoughts

There’s nothing quite like sharing a pan of homemade S’mores Brownies—warm, gooey, and choc-full of nostalgia! Whether it’s a special celebration or just a weeknight craving, give these a try and watch the smiles appear. Go ahead, gather your ingredients, and get ready to make s’mores magic right in your own kitchen!

Print

S’mores Brownies Recipe

Indulge in the irresistible combination of rich, fudgy brownies topped with gooey marshmallows, melty chocolate, and crunchy graham crackers in these decadent S’mores Brownies. Perfect for a sweet treat or a crowd-pleasing dessert!

  • Author: Lily
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Total Time: 35 minutes
  • Yield: 20 brownies 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

Scale

Brownie Base:

  • 18.3 oz (520 g) box family size brownie mix, (for a 13×9″ pan)
  • 2 large eggs, (or as written on box for “cakey” brownies)
  • ⅓ cup (80 ml) vegetable oil, (or as written on box)
  • ⅓ cup (80 ml) water, (or as written on box)

Toppings:

  • 6 graham crackers, cut or broken into bite-size pieces
  • 2 cups (90 g) miniature marshmallows
  • 12 (153 g) snack-size Hershey’s Milk Chocolate Bars, broken into squares*

Instructions

  1. Preheat Oven: Preheat oven to 350 degrees Fahrenheit.
  2. Prepare Brownie Base: Combine the brownie mix, eggs, oil, and water as directed on the box for “cakey” brownies. Pour the batter into a greased 13×9-inch baking pan and spread evenly.
  3. Bake Brownies: Bake at 350°F for 20 minutes, until just underbaked (toothpick should come out slightly wet).
  4. Add Toppings: Sprinkle graham cracker pieces and mini marshmallows over the brownies. Top with chocolate squares.
  5. Finish Baking: Return pan to oven and bake for an additional 5 minutes until marshmallows puff up and chocolate melts.
  6. Serve: Cut warm brownies with a sprayed knife or cool completely before cutting into squares.
  7. Storage: Store covered tightly for up to 3 days; note that graham crackers will soften over time.

Notes

  • For extra flavor, try using flavored marshmallows like chocolate or caramel.
  • You can also add a sprinkle of sea salt over the chocolate for a sweet and salty twist.

Nutrition

  • Serving Size: 1 brownie
  • Calories: 230
  • Sugar: 18g
  • Sodium: 160mg
  • Fat: 10g
  • Saturated Fat: 3.5g
  • Unsaturated Fat: 5.5g
  • Trans Fat: 0g
  • Carbohydrates: 32g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 15mg

Keywords: S’mores Brownies, Brownie Recipe, Dessert, S’mores, Marshmallows, Chocolate

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