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Chocolate Lover’s Mousse Brownie Bars


  • Author: ruth-martha
  • Total Time: 115 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

A decadent dessert featuring a fudgy brownie base topped with a light chocolate mousse layer, perfect for dinner parties or celebrations.


Ingredients

Scale
  • 0.5 cup (115g) Unsalted Butter
  • 4 oz (115g) Semi-Sweet Chocolate (chopped)
  • 0.75 cup (150g) Granulated White Sugar
  • 2 Large Eggs
  • 1 teaspoon Vanilla Extract
  • 0.5 cup (65g) All-Purpose Flour
  • 2 tablespoons Unsweetened Cocoa Powder
  • 0.25 teaspoon Salt
  • 8 oz (225g) Semi-Sweet Chocolate (chopped)
  • 2 tablespoons Unsalted Butter
  • 2 Large Eggs (separated into yolks and whites)
  • 0.25 cup (50g) Granulated White Sugar
  • 1 teaspoon Vanilla Extract
  • 1.5 cups (360ml) Heavy Whipping Cream (chilled)
  • Extra Whipped Cream & Dark Chocolate Shavings (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease an 8×8-inch baking pan and line it with parchment paper.
  2. Melt the 0.5 cup of butter and 4 oz of chopped chocolate together in a heatproof bowl, stirring until smooth.
  3. Whisk in the sugar, then add the eggs one at a time, followed by the vanilla.
  4. Fold in the flour, cocoa powder, and salt just until combined.
  5. Spread into the pan and bake for 25 to 30 minutes. Let cool completely.
  6. Melt the 8 oz of chopped chocolate and 2 tablespoons of butter together, stirring until completely smooth, then let cooling slightly.
  7. Beat the 2 egg yolks with the sugar and vanilla extract in a medium bowl until pale and thick.
  8. Slowly stir the cooled melted chocolate mixture into the yolk paste until uniform.
  9. Whip the cold heavy cream until soft peaks form in a separate bowl.
  10. Beat the 2 egg whites until stiff peaks form in another clean bowl.
  11. Gently fold the whipped cream and stiff egg whites into the chocolate-yolk base in small batches.
  12. Pour the chocolate mousse over the cooled brownie base and smooth the top surface.
  13. Chill the pan in the refrigerator for at least 2 hours until the mousse sets firm.
  14. Lift out using the parchment handles, slice into 12 bars, and decorate with whipped cream or chocolate curls if desired.

Notes

For best results, chill before slicing. Store in an airtight container in the fridge for up to 4 days. Can be frozen uncut for up to 1 month.

  • Prep Time: 25 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 360
  • Sugar: 24g
  • Sodium: 115mg
  • Fat: 24g
  • Saturated Fat: 14g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 34g
  • Fiber: 2g
  • Protein: 5g
  • Cholesterol: 95mg

Keywords: brownies, chocolate mousse, dessert, decadent, layered dessert, baking