Indulge in the ultimate fusion of summer nostalgia and decadent dessert with these irresistible S'mores Brownie Bars! This recipe combines three crowd-pleasing layers: a buttery graham cracker crust, rich and fudgy brownie filling, and gooey toasted marshmallows studded with melty milk chocolate. With just 15 minutes of prep and simple pantry staples, these bars bring the classic campfire treat indoors for year-round enjoyment. Perfect for parties, bake sales, or a cozy night at home, these bars deliver all the flavors of a traditional s'more in a single bite of brownie bliss. Whip up a batch of S'mores Brownie Bars for a dessert that’s guaranteed to disappear in seconds!
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Preheat your oven to 350°F (175°C) and lightly grease a 9x13-inch baking dish or line it with parchment paper.
In a medium bowl, combine the graham cracker crumbs, melted butter, and granulated sugar. Mix until evenly combined.
Press the graham cracker mixture firmly into the bottom of the prepared baking dish to form an even crust.
Follow the instructions on the brownie mix box to prepare the batter. Typically, this involves combining the brownie mix, eggs, vegetable oil, and water in a bowl until fully incorporated.
Pour the brownie batter over the graham cracker crust and spread evenly with a spatula.
Bake in the preheated oven for 25–30 minutes, or until a toothpick inserted into the center comes out with moist crumbs. Remove the baking dish from the oven.
Sprinkle the chopped milk chocolate and mini marshmallows evenly over the top of the baked brownies.
Return the dish to the oven and bake for an additional 5–7 minutes, or until the marshmallows are golden brown and slightly toasted. Keep a close eye on them to prevent over-toasting.
Remove the S'mores Brownie Bars from the oven and let them cool completely in the baking dish to allow the layers to set.
Once cooled, slice into 12 bars and serve. Store any leftovers in an airtight container at room temperature for up to 3 days.
Serving size | (1621.9g) |
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Amount per serving | % Daily Value* |
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Calories | 7130.5 |
Total Fat 366.2g | 0% |
Saturated Fat 158.9g | 0% |
Polyunsaturated Fat 33.6g | |
Cholesterol 713.1mg | 0% |
Sodium 3495.6mg | 0% |
Total Carbohydrate 938.6g | 0% |
Dietary Fiber 33.2g | 0% |
Total Sugars 618.5g | |
Protein 80.4g | 0% |
Vitamin D 89.2IU | 0% |
Calcium 983.2mg | 0% |
Iron 28.8mg | 0% |
Potassium 2612.2mg | 0% |
Source of Calories