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Layered Chocolate Mousse Brownies

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  • Author: Olivia
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 45 minutes (+ chill time)
  • Yield: 9–12 bars
  • Category: Dessert
  • Method: Baking, No-Bake (for mousse)
  • Cuisine: American
  • Diet: Vegetarian

Description

Layered Chocolate Mousse Brownies combine a rich, fudgy brownie base with a light, creamy chocolate mousse and an optional whipped or ganache topping. This indulgent, multi-textured dessert is perfect for chocolate lovers and special occasions.


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 tsp baking powder (optional)
  • For the chocolate mousse layer:
  • 1 cup semi-sweet or dark chocolate chips
  • 1 cup heavy cream (cold)
  • 2 tbsp powdered sugar
  • 1/2 tsp vanilla extract
  • For the topping (optional):
  • 1 cup whipped cream or whipped topping
  • Chocolate shavings or cocoa powder for garnish
  • Optional: chocolate ganache

Instructions

  1. Preheat oven to 350°F (175°C). Line an 8×8 or 9×9-inch pan with parchment paper.
  2. Whisk melted butter with sugar, eggs, and vanilla until smooth.
  3. Stir in cocoa powder, flour, salt, and optional baking powder until just combined.
  4. Pour batter into prepared pan and bake for 20–25 minutes, until a toothpick comes out with moist crumbs. Cool completely.
  5. Melt chocolate chips in a double boiler or microwave in short bursts; let cool slightly.
  6. Whip heavy cream with powdered sugar and vanilla until soft peaks form.
  7. Gently fold cooled chocolate into whipped cream until smooth.
  8. Spread mousse over cooled brownie layer. Refrigerate for at least 2–3 hours to set.
  9. Optional: top with whipped cream or ganache and garnish with chocolate shavings or cocoa powder.
  10. Slice and serve chilled.

Notes

  • Use a boxed brownie mix for a shortcut—just cool completely before adding mousse.
  • Add fruit preserves or nuts for extra flavor and texture.
  • Espresso powder enhances chocolate flavor for a mocha twist.
  • Chill thoroughly and use a clean, sharp knife for neat slices.
  • Store in fridge up to 4 days or freeze individual slices for later.

Nutrition

  • Serving Size: 1 bar (1/12 of pan)
  • Calories: 310
  • Sugar: 24g
  • Sodium: 90mg
  • Fat: 20g
  • Saturated Fat: 12g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 2g
  • Protein: 4g
  • Cholesterol: 65mg