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Chocolate Mousse Brownies

Chocolate Mousse Brownies: The Ultimate Indulgent Dessert

Abby Martin
These Chocolate Mousse Brownies combine a rich, fudgy brownie base with a light and silky chocolate mousse topping. It’s the ultimate dessert mashup—perfect for dinner parties, birthdays, or a cozy night in.
Prep Time 15 minutes
Cook Time 24 minutes
Total Time 2 hours 45 minutes
Course Dessert
Cuisine American
Servings 16 brownies
Calories 275 kcal

Ingredients
  

For the Brownie Layer:

  • 1/2 cup unsalted butter melted
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 tsp vanilla extract
  • 1/3 cup unsweetened cocoa powder
  • 1/2 cup all-purpose flour
  • 1/4 tsp salt
  • 1/4 cup melted dark chocolate
  •  

For the Mousse Layer:

  • 1 1/4 cups heavy whipping cream cold
  • 1 cup semi-sweet chocolate chips or chopped chocolate
  • 1 tsp vanilla extract
  • Pinch of salt

Instructions
 

  • 1. Preheat oven to 325°F (165°C). Line an 8x8-inch pan with parchment paper.
  • 2. In a bowl, whisk melted butter, sugar, eggs, and vanilla until smooth and pale.
  • 3. Sift in cocoa powder, flour, and salt. Mix until just combined. Fold in melted chocolate.
  • 4. Spread the batter evenly into the prepared pan. Bake for 20–24 minutes or until edges are set and center is slightly fudgy.
  • 5. Let the brownie cool completely in the pan.
  • 6. For the mousse, melt chocolate in the microwave or over a double boiler. Let it cool slightly.
  • 7. In a cold mixing bowl, whip cream with vanilla and salt until soft peaks form.
  • 8. Fold whipped cream gently into melted chocolate until fully incorporated.
  • 9. Spread mousse evenly over the cooled brownies. Chill for at least 2 hours or overnight.
  • 10. Slice and serve with whipped cream or berries if desired.

Notes

For a twist, add 1 tsp instant espresso to the mousse for a mocha version.
Substitute coconut cream for a dairy-free mousse.
Store leftovers in the fridge for up to 5 days or freeze for up to 1 month.
Keyword brownie mousse recipe, chocolate brownie cake, chocolate mousse brownies, mousse brownies