Chocolate Mousse Brownies
Decadent, fudgy brownies topped with airy chocolate mousse and glossy ganache these Chocolate Mousse Brownies are pure indulgence in every bite! Perfect for parties, gifting, or treating yourself to something truly chocolatey.
Ingredients
Brownie Base
- ½ cup unsalted butter
- 1 cup sugar
- 2 Large eggs
- 1 tsp vanilla extract
- ⅓ cup cocoa powder
- ½ cup flour
- ¼ tsp salt
- ¼ tsp baking powder
Chocolate Mousse
- 1 ½ cup heavy whipping cream
- 8 oz semisweet chocolate
- 3 tbsp milk
- 2 tbsp powdered sugar
Ganache Topping
- 4 oz semisweet chocolate, chopped
- ½ cup heavy cream
Instructions
- Line an 8×8-inch pan with parchment paper, leaving an overhang for easy removal. Preheat oven to 350°F (175°C).
- Whisk melted butter, sugar, eggs, and vanilla until smooth.
- Sift cocoa, flour, salt, and baking powder. Fold gently into wet ingredients until just combined.
- Pour batter into pan, smooth top, bake 20–25 mins. Cool completely.
- Heat milk until steaming, pour over chopped chocolate, let sit 2 mins, stir until smooth, cool to room temp.
- Beat chilled cream and powdered sugar until soft peaks form.
- Fold a spoonful of whipped cream into chocolate to loosen, then gently fold in remaining cream.
- Spread mousse over cooled brownie. Chill ≥2 hours.
- Simmer cream, pour over chopped chocolate, let sit 2–3 mins, stir until smooth.
- Pour over mousse, smooth surface, chill 1 hour.
- Lift from pan, slice with a hot, clean knife, wipe between cuts. Serve chilled.
Notes
- Use room temperature eggs and chocolate for smooth, fudgy brownies and creamy mousse.
- Fold whipped cream gently to keep the mousse light and airy. Don’t overmix!
- Chill each layer properly to get clean, professional-looking slices.
- Run a hot knife and wipe between cuts for perfect squares.
- Optional: Add espresso, nuts, or berries for extra flavor and texture.