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Chocolate Mousse Brownie Recipe

Chocolate Mousse Brownie Recipe


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4.9 from 21 reviews

  • Author: Sara
  • Total Time: 55 minutes
  • Yield: 12 servings
  • Diet: Vegetarian

Description

Indulge in the rich and decadent Chocolate Mousse Brownie, a perfect dessert combining fudgy brownies topped with a smooth, airy chocolate mousse. This recipe creates a luscious layered treat that’s ideal for chocolate lovers and special occasions.


Ingredients

Brownie Base

  • 3/4 cup butter
  • 1 ½ cups granulated sugar
  • 1 tablespoon vanilla extract
  • 2 large eggs
  • 3/4 cup all-purpose flour (properly measured)
  • 1/2 cup unsweetened cocoa powder
  • 1/2 teaspoon salt

Mousse Topping

  • 3/4 cup miniature marshmallows
  • 4 ounces semi-sweet baking chocolate (chopped)
  • 1/4 cup milk
  • 1 cup cold heavy whipping cream


Instructions

  1. Prepare Brownies: Preheat the oven to 350°F (175°C). Grease or line a 9×9-inch baking pan with parchment paper to ensure easy removal of the brownies after baking.
  2. Melt Butter: In a large saucepan, melt the butter over medium heat until fully melted and smooth.
  3. Add Sugar: Reduce the heat to low and stir in the granulated sugar. Cook this mixture for 2-3 minutes, stirring constantly to blend and slightly dissolve the sugar, making the brownies extra moist.
  4. Add Vanilla: Remove the pan from heat and stir in the vanilla extract to infuse flavor.
  5. Cool Mixture: Let the butter and sugar mixture cool for about 5 minutes ensuring it doesn’t cook the eggs when added.
  6. Add Eggs: Whisk in the eggs until the mixture is smooth and fully combined.
  7. Mix Dry Ingredients: Add the all-purpose flour, cocoa powder, and salt. Whisk together gently until just incorporated to avoid overmixing, which keeps brownies tender.
  8. Bake Brownies: Pour the batter into the prepared pan and spread evenly. Bake for 20-30 minutes. The edges should appear set and slightly firm, while the center remains shiny and fudgy. Insert a toothpick; it should come out with a few moist crumbs.
  9. Cool Completely: Remove the brownies from the oven and allow them to cool completely in the pan to set properly before adding mousse.
  10. Prepare Mousse: In a medium saucepan over low heat, combine miniature marshmallows, chopped semi-sweet chocolate, and milk. Stir constantly until the mixture is smooth and glossy. Remove from heat and let cool completely.
  11. Whip Cream: In a separate chilled bowl, beat the cold heavy whipping cream until stiff peaks form for a light, fluffy mousse texture.
  12. Combine Mousse: Gently fold the cooled chocolate marshmallow mixture into the whipped cream ensuring it is evenly mixed without deflating the cream.
  13. Assemble Dessert: Spread the mousse evenly over the cooled brownie layer with a spatula for a smooth finish.
  14. Chill: Refrigerate the assembled brownies for at least 30 minutes to allow the mousse to set firmly before serving.
  15. Store Leftovers: Cover the brownies and keep refrigerated to maintain freshness for up to 3 days.

Notes

  • Ensure the brownie batter is not overbaked to keep a fudgy center.
  • Use chilled heavy cream for best whipping results.
  • Cooling the chocolate mixture thoroughly before folding into the whipped cream prevents melting and keeps mousse airy.
  • For easier removal, lift the brownies out using parchment paper overhang.
  • Leftover brownies can be stored in an airtight container in the fridge for up to 3 days.
  • For a richer mousse, use high-quality semi-sweet chocolate.
  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving (approx. 1/12th of recipe)
  • Calories: 320 kcal
  • Sugar: 28 g
  • Sodium: 120 mg
  • Fat: 20 g
  • Saturated Fat: 12 g
  • Unsaturated Fat: 7 g
  • Trans Fat: 0.2 g
  • Carbohydrates: 35 g
  • Fiber: 3 g
  • Protein: 4 g
  • Cholesterol: 70 mg