Chocolate Mousse Brownies Recipe
Chocolate Mousse Brownies combine fudgy brownie base with silky chocolate mousse topping. Ultra-rich double chocolate decadence perfect for parties, date nights, and Pinterest chocolate dessert boards that guarantee saves and shares.
- Author: ssam
- Prep Time: 25 mins
- Cook Time: 28 mins
- Total Time: 4 hours
- Yield: 16 brownies 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
- Brownie Layer:
- ¾ cup unsalted butter (melted)
- 1½ cups granulated sugar
- 2 large eggs (room temp)
- 1 tsp vanilla extract
- ½ cup unsweetened cocoa powder
- ¾ cup all-purpose flour
- ½ tsp salt
- ½ tsp baking powder
- Chocolate Mousse:
- ¾ cup mini marshmallows
- 4 oz semi-sweet chocolate (chopped)
- ¼ cup whole milk
- 1 cup heavy whipping cream (cold)
- Optional: chocolate ganache drizzle
- 1. Preheat oven 350°F. Line 8×8″ pan with parchment, spray sides.
- 2. Whisk melted butter + sugar until smooth. Add eggs one at a time, then vanilla.
- 3. Sift in cocoa, flour, salt, baking powder. Stir until just combined (few lumps OK).
- 4. Spread evenly in pan. Bake 25-28 mins until toothpick has moist crumbs. Cool completely.
- 5. Melt marshmallows, chocolate, milk over low heat, stirring constantly until smooth. Cool 20 mins.
- 6. Whip heavy cream to stiff peaks. Fold cooled chocolate mixture into whipped cream until uniform.
- 7. Spread mousse over cooled brownies. Chill 2+ hours to set.
- 8. Optional: drizzle with ganache. Cut into 16 squares.
Notes
- Cool brownie base completely prevents mousse melt.
- Mini marshmallows melt smoothest. Chopped regular work too.
- Heavy cream MUST be cold for proper whip.
- Chill time essential for clean cuts. Overnight = best.
- Freezes beautifully up to 2 months. Thaw fridge.
- 9×9 pan = thinner layers, same method.
- Upgrade: sea salt flakes + chopped hazelnuts.
- Make ahead party star – improves overnight.
Nutrition
- Serving Size: 1 brownie
- Calories: 295
- Sugar: 24g
- Sodium: 140mg
- Fat: 18g
- Saturated Fat: 11g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 31g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 65mg
Keywords: chocolate mousse brownies, mousse topped brownies, fudgy chocolate brownies, double chocolate dessert, party brownies