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Decadent S’mores Brownies Recipe with Toasted Marshmallow Topping

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These decadent s’mores brownies combine a fudgy chocolate base with crunchy graham cracker bits and a toasted marshmallow topping, delivering a nostalgic campfire flavor indoors. Perfect for gatherings or a cozy treat.

Ingredients

Scale
  • 1/2 cup (113g) unsalted butter, melted
  • 1 cup (200g) granulated sugar
  • 2 large eggs, room temperature
  • 1 tsp pure vanilla extract
  • 3/4 cup (95g) all-purpose flour
  • 1/4 cup (25g) unsweetened cocoa powder, sifted
  • 1/4 tsp salt
  • 1/2 cup (90g) semi-sweet chocolate chips
  • 1 cup graham cracker crumbs (about 6 full crackers, crushed)
  • 1 1/2 cups mini marshmallows
  • 1/2 cup (90g) milk chocolate chunks or chips

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease an 8×8 inch pan or line it with parchment paper.
  2. In a large bowl, whisk together the melted butter and sugar until smooth and glossy (about 1-2 minutes). Add eggs one at a time, whisking well after each addition, then stir in the vanilla extract.
  3. In a separate bowl, sift together the flour, cocoa powder, and salt. Gradually fold this mixture into the wet ingredients using a rubber spatula, stirring just until combined.
  4. Fold in the semi-sweet chocolate chips gently to keep them whole.
  5. Spread half the batter evenly into the prepared pan. Sprinkle half the graham cracker crumbs over the batter, then dollop and spread the remaining brownie batter on top, smoothing gently.
  6. Sprinkle the remaining graham cracker crumbs and milk chocolate chunks evenly across the top. Then, pile the mini marshmallows over the surface.
  7. Bake for 25-30 minutes until edges are set but center is slightly gooey. Use a toothpick inserted near the center; if it comes out with a few moist crumbs, it’s ready.
  8. Switch oven to broil. Place the pan under the broiler for 1-3 minutes, watching closely, until marshmallows puff up and turn golden brown with a few darker spots. Alternatively, use a kitchen torch to toast marshmallows evenly.
  9. Cool completely on a wire rack before slicing. Warm slightly before serving if desired.

Notes

Do not overmix the batter to keep brownies tender and fudgy. Watch marshmallows closely when broiling to avoid burning. For gluten-free, substitute flour and graham crackers with gluten-free versions. For dairy-free, use coconut oil and dairy-free chocolate and marshmallows. Crushing graham crackers by hand adds a rustic texture.

Nutrition

Keywords: s’mores brownies, toasted marshmallow topping, fudgy brownies, graham cracker, chocolate dessert, easy brownies, campfire dessert