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Toasted Marshmallow Brownies with rich chocolate layers

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Super fudgy brownies with a gooey, melted marshmallow topping — rich, chewy, and perfect for cozy, nostalgic dessert cravings.

Ingredients

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Brownies:

  • ½ cup unsalted butter (melted)

  • ¾ cup granulated sugar

  • ¼ cup brown sugar

  • 2 large eggs

  • 1½ tsp vanilla extract

  • ½ cup unsweetened cocoa powder

  • ½ cup all-purpose flour

  • ¼ tsp salt

  • ½ tsp espresso powder (optional)

Topping:

  • 2½ cups mini marshmallows

Instructions

  • Preheat oven to 350°F. Line and grease an 8×8-inch pan.

  • Whisk butter and sugars until smooth. Add eggs and vanilla; whisk until glossy.

  • Sift in cocoa, flour, salt, and espresso powder. Fold gently until just combined.

  • Spread batter evenly in pan and bake 22–25 minutes until set.

  • Remove from oven, sprinkle marshmallows on top, and return to bake 3–5 more minutes.

  • Optional: Broil for 30 seconds for a toasted top.

  • Cool completely before slicing.

Notes

  • Chill before cutting for clean slices.

  • Add a ganache drizzle or chopped nuts for texture.

  • Store at room temp 2–3 days or freeze for longer.