Chocolate Mousse Brownies Recipe

These Chocolate Mousse Brownies combine the best of both chocolate worlds—rich, fudgy brownies topped with a silky smooth mousse. This easy recipe will quickly become a favorite, whether you're baking for a crowd or treating yourself to something special.

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Prep Time 30

Cook Time 25

Total Time 2 55

Servings 16 squares

Ingredients

For the Brownie Base:

1/2 cup unsalted butter 1 stick
1 cup granulated sugar
2 large eggs
1 teaspoon vanilla extract
1/3 cup unsweetened cocoa powder
1/2 cup all-purpose flour
1/4 teaspoon salt
1/4 teaspoon baking powder

For the Chocolate Mousse:

1 cup heavy cream chilled
1/2 cup semisweet chocolate chips or chopped chocolate
2 tablespoons powdered sugar
1/2 teaspoon vanilla extract

Instructions

Preheat oven to 350°F (175°C). Line an 8x8 inch baking dish with parchment paper.
In a medium saucepan, melt butter over low heat. Remove from heat and stir in sugar, eggs, and vanilla.
Beat in cocoa powder, flour, salt, and baking powder until well combined.
Spread the batter evenly into the prepared pan and bake for 20-25 minutes. Do not overbake. Let cool completely.
While the brownies cool, prepare the mousse. Melt the chocolate in a heatproof bowl over simmering water or in the microwave in short bursts. Let cool slightly.
In a separate bowl, whip the heavy cream, powdered sugar, and vanilla until soft peaks form.
Fold the melted chocolate gently into the whipped cream until well combined.
Spread the mousse over the cooled brownies and smooth the top.
Chill in the refrigerator for at least 2 hours before slicing.

Notes

For cleaner cuts, run a sharp knife under hot water and wipe between slices.
Use high-quality chocolate for the best flavor.
Let the brownie base cool completely before adding the mousse to avoid melting.
Add a pinch of espresso powder to the brownie batter for enhanced chocolate depth (optional).