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Chocolate Mousse Brownies


  • Author: Monica
  • Total Time: About 2 hours 45 minutes

Description

These indulgent brownies combine the dense chewiness of classic chocolate brownies with the airy elegance of chocolate mousse. Every bite is layered bliss—perfect for celebrations or just satisfying a serious chocolate craving.


Ingredients

Scale

For the brownie layer:

  • ½ cup unsalted butter, melted

  • 1 cup granulated sugar

  • 2 large eggs

  • 1 tsp vanilla extract

  • ⅓ cup unsweetened cocoa powder

  • ½ cup all-purpose flour

  • ¼ tsp salt

  • ¼ tsp baking powder

For the chocolate mousse layer:

  • 1 cup heavy whipping cream

  • 1 cup semi-sweet chocolate chips (or chopped chocolate)

  • 2 tbsp powdered sugar

  • 1 tsp vanilla extract


Instructions

1️⃣ Preheat oven to 350°F (175°C): Grease or line an 8×8-inch baking pan with parchment paper.

2️⃣ Make the brownie batter: In a medium bowl, mix melted butter and sugar. Stir in eggs and vanilla. Add cocoa powder, flour, salt, and baking powder. Stir until just combined.

3️⃣ Bake the brownies: Pour batter into prepared pan and smooth the top. Bake for 20–25 minutes, or until a toothpick comes out with a few moist crumbs. Cool completely.

4️⃣ Make the mousse: Melt the chocolate chips in a heatproof bowl over a pot of simmering water (or microwave in 20-second bursts, stirring between). Let cool slightly.

5️⃣ Whip the cream: In a large bowl, beat heavy cream, powdered sugar, and vanilla until soft peaks form.

6️⃣ Combine: Gently fold the cooled melted chocolate into the whipped cream until smooth and fully incorporated.

7️⃣ Top the brownies: Spread mousse over the cooled brownie layer. Use an offset spatula for a smooth finish.

8️⃣ Chill: Refrigerate for at least 2 hours, or until mousse is set.

 

9️⃣ Serve: Slice with a clean knife (wipe between cuts for neat edges) and enjoy!

Notes

  • For a flavor twist, add a tablespoon of espresso powder to the brownie batter.

  • Want extra elegance? Top with chocolate curls, a dusting of cocoa powder, or fresh berries before serving.

 

  • Store in the fridge for up to 4 days, or freeze individual slices for a future treat.

  • Prep Time: 20 min
  • Cook Time: 25 min includes chill time