A close-up of a single piece of Fudgy S'mores Brownie Bar showing layers of chocolate brownie, marshmallow topping, and graham cracker crumbs.

Fudgy S’mores Brownie Bars Recipe – Ultimate Chocolate and Marshmallow Treat

Imagine sinking your teeth into a dessert that perfectly blends the gooey goodness of marshmallows, the rich decadence of chocolate fudge, and the crunchy texture of graham cracker crumbs. Our Fudgy S’mores Brownie Bars are exactly that—a delightful fusion of flavors and textures that will transport you straight to a campfire, no matter where you are. This recipe is a guaranteed crowd-pleaser, perfect for gatherings, parties, or simply indulging in a sweet treat.

The Best Fudgy S’mores Brownie Bars

When it comes to combining classic flavors into one irresistible dessert, these Fudgy S’mores Brownie Bars stand out. The bottom layer features a buttery graham cracker crust, providing a solid foundation for the fudgy brownie that sits atop it. This is then topped with a layer of melted chocolate and creamy marshmallow creme, all crowned with a sprinkle of mini marshmallows. A quick broil adds that signature toasted marshmallow flavor, making every bite a nostalgic journey back to childhood campfires.

Notes on Ingredients

To ensure the best results for your Fudgy S’mores Brownie Bars, here are some notes on the key ingredients:

  • Graham Cracker Crumbs: Opt for finely ground crumbs to create a cohesive base. If you can’t find pre-made crumbs, you can crush whole graham crackers using a food processor.
  • Butter: Use melted butter to bind the graham cracker crumbs together. This helps in achieving a firm and flavorful crust.
  • Brownie Mix: The Pillsbury® Family Size Chocolate Fudge Brownie Mix ensures a rich and moist brownie layer. Follow the package instructions carefully for the best texture.
  • Sweetened Condensed Milk: This is essential for creating a smooth and creamy chocolate layer. Eagle Brand® is recommended for its consistency.
  • Marshmallow Creme and Mini Marshmallows: These add the signature s’mores flavor. The marshmallow creme provides a spreadable layer, while the mini marshmallows give that delightful toasted finish.

How to Make Fudgy S’mores Brownie Bars

  1. Prepare the Crust: Heat your oven to 350°F. Coat a 13 x 9-inch baking pan with no-stick cooking spray. In a medium bowl, combine 1 ¼ cups of graham cracker crumbs and 6 tablespoons of melted butter, stirring until evenly moistened. Sprinkle 1 cup of this mixture evenly into the bottom of the prepared pan.
  2. Make the Brownie Layer: Prepare the brownie batter according to the package directions, using ½ cup of Crisco® Pure Vegetable Oil, ¼ cup of water, and 2 large eggs. Spread the batter over the graham cracker crumbs in the pan. Bake for 28 to 31 minutes, or until set in the center. Let it cool completely in the pan on a wire rack.
  3. Create the Chocolate Layer: Microwave 1 (14 ounce) can of sweetened condensed milk and 1 (11.5 ounce) package of milk chocolate chips in a medium microwave-safe bowl on HIGH for 2 minutes. Stir until completely melted and smooth. Pour this mixture over the cooled brownie layer and freeze until firm, about 1 hour.
  4. Add the Marshmallow Layer: Heat the broiler to HIGH. Spread 1 (13 ounce) jar of marshmallow creme evenly over the chocolate layer. Sprinkle the remaining graham cracker crumbs and 1 cup of miniature marshmallows evenly on top. Broil 6 inches from the heat for about 2 minutes, or until lightly browned.

How to Serve Fudgy S’mores Brownie Bars

These bars are best served chilled or at room temperature. For a clean cut, use a sharp knife dipped in hot water. They are perfect for parties, potlucks, or as a delightful dessert after dinner. Pair them with a cold glass of milk or a cup of hot coffee to balance the sweetness.

How to Store Fudgy S’mores Brownie Bars

To keep your S’mores Brownie Bars fresh, store them in an airtight container at room temperature for up to 3 days. For longer storage, refrigerate them for up to a week or freeze for up to 3 months. If freezing, layer parchment paper between bars to prevent sticking.

Nutrition information

NutrientAmount per serving% Daily Value*
Calories213.91 kcal11%
Total Fat9.13 g13%
Carbs30.8 g12%
Sugars22.3 g25%
Protein2.51 g5%
Sodium101.34 mg5%
Fiber0.72 g3%
Saturated Fat3.8 g19%
Trans Fat0 g
Monounsaturated Fat2.68 g
Polyunsaturated Fat1.46 g
Cholesterol18.96 mg6%
Calcium48.13 mg6%
Magnesium8.26 mg2%
Potassium79.91 mg2%
Iron0.86 mg6%
Zinc0.35 mg4%
Phosphorus48.32 mg7%
Vitamin A32.16 mcg4%
Vitamin C0.26 mg0%
Thiamin B10.05 mg4%
Riboflavin B20.1 mg7%
Niacin B30.29 mg2%
Vitamin B60.01 mg1%
Folic Acid B93.33 mcg2%
Vitamin B120.13 mcg5%
Vitamin D0.07 mcg0%
Vitamin E0.46 mg4%
Vitamin K3.96 mcg5%
Nutrition Information for Fudgy S’mores Brownie Bars

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

FAQs About Fudgy S’mores Brownie Bars

Can I use homemade brownie mix?

Yes, you can use your favorite homemade brownie recipe in place of the boxed mix. Just ensure it yields enough batter for a 13 x 9-inch pan.

Can I add nuts to the recipe?

Absolutely! Chopped nuts like pecans or walnuts can add an extra layer of crunch and flavor.

What if I don’t have marshmallow creme?

You can melt marshmallows and spread them over the chocolate layer if marshmallow creme is unavailable. Just be cautious when broiling, as they can burn quickly.

Can I make these bars ahead of time?

Yes, these bars are perfect for making ahead. Prepare and store them as directed, then cut and serve when needed.

Close-up of fudgy S'mores brownie bars with layers of graham cracker crust, chocolate, and marshmallow topping

The Best Fudgy S’mores Brownie Bars

Discover the ultimate indulgence with our Fudgy S'mores Brownie Bars recipe. Layers of rich chocolate fudge brownie, creamy marshmallow, and graham cracker crumbs. Perfect for any occasion!
Temps de préparation 25 minutes
Temps de cuisson 30 minutes
Additional Time 1 heure 35 minutes
Temps total 2 heures 30 minutes
Type de plat Dessert Plate
Cuisine American
Portions 40 servings
Calories 213.91 kcal


  • Crisco® No-Stick Cooking Spray
  • 1 ¼ cups graham cracker crumbs
  • 6 tablespoons butter melted
  • 1 19.5 ounce box Pillsbury® Family Size Chocolate Fudge Brownie Mix
  • ½ cup Crisco® Pure Vegetable Oil
  • ¼ cup water
  • 2 large eggs
  • 1 14 ounce can Eagle Brand® Sweetened Condensed Milk
  • 1 11.5 ounce package milk chocolate chips
  • 1 13 ounce jar marshmallow creme
  • 1 cup miniature marshmallows


  • Heat oven to 350 degrees F. Coat 13 x 9-inch baking pan with no-stick cooking spray. Combine graham cracker crumbs and butter in medium bowl, stirring until evenly moistened. Sprinkle 1 cup graham cracker mixture evenly into bottom of prepared pan. Prepare brownie batter according to package directions using oil, water and eggs. Spread over crumbs in pan. Bake 28 to 31 minutes or until set in center. Cool completely in pan on wire rack.
  • Microwave sweetened condensed milk and chocolate chips in medium microwave-safe bowl on HIGH 2 minutes. Stir until completely melted and smooth. Pour over brownie layer. Freeze until firm, about 1 hour.
  • Heat broiler to HIGH. Spread marshmallow creme evenly over chocolate layer. Sprinkle evenly with remaining graham cracker crumbs. Sprinkle evenly with mini marshmallows. Broil 6 inches from heat 2 minutes or until lightly browned.
Keyword Chocolate, Easy Recipes, Marshmallow, S’mores

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Enjoy the delightful combination of flavors and textures in these Fudgy S’mores Brownie Bars. Whether you’re reminiscing about campfires or simply craving a sweet treat, this recipe is sure to satisfy your dessert cravings.

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