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Fudgy Hot Chocolate Brownies topped with fluffy marshmallow icing

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Deeply fudgy brownies topped with fluffy marshmallow frosting — the perfect winter dessert inspired by a cup of hot chocolate.

Ingredients

Scale

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 instant espresso (optional)

  • ½ cup chocolate chips or chunks (optional)

Marshmallow Frosting:

  • ½ cup unsalted butter (softened)

  • 1½ cups powdered sugar

  • 1 cup marshmallow fluff

  • 1 tsp vanilla extract

  • 1–2 tbsp milk or cream

Instructions

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

  • Whisk melted butter, sugars, eggs, and vanilla until smooth.

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

  • Stir in chocolate chips if using. Spread batter in pan.

  • Bake 25–30 minutes or until a toothpick comes out with moist crumbs.

  • Cool brownies completely.

  • Beat butter and powdered sugar until fluffy. Add fluff, vanilla, and milk as needed.

  • Spread frosting over cooled brownies. Optional: torch top lightly.

  • Chill before slicing for clean edges.

Notes

  • For s’mores-style, add crushed graham crackers to the top.

  • Store chilled for up to 5 days.

  • Freeze slices with parchment between layer

Find it online: https://flavorlyzo.com/fudgy-hot-chocolate-brownies-topped-with-fluffy-marshmallow-icing/