These Chocolate Mousse Brownies feature a fudgy cocoa brownie base topped with light, airy chocolate mousse and optional whipped cream or ganache — a dreamy layered dessert for any chocolate lover
Brownie Layer:
1/2 cup unsalted butter, melted
1 cup granulated sugar
2 large eggs
1 tsp vanilla extract
1/3 cup cocoa powder
1/2 cup all-purpose flour
1/4 tsp salt
1/2 cup chocolate chips (optional)
Mousse Layer:
6 oz semi-sweet chocolate, chopped
1 cup heavy cream
2 egg yolks (optional)
2 tbsp sugar (optional, adjust to taste)
Optional Topping:
1/2 cup heavy cream
1 tbsp powdered sugar
1/2 tsp vanilla extract
or
1/4 cup heavy cream + 1/4 cup chopped chocolate (for ganache)
Preheat oven to 350°F. Line and grease an 8×8 pan.
Mix brownie ingredients, spread into pan, and bake for 22–25 minutes. Cool completely.
Melt chocolate, cool slightly. Whip cream to stiff peaks.
(Optional) Whisk egg yolks with sugar over heat, then mix into chocolate.
Fold whipped cream into chocolate in three batches. Spread over brownie base.
Chill at least 3 hours.
Top with whipped cream or ganache, chill again if needed. Slice and serve.
Chill knife before cutting for neat slices.
Can be made 1–2 days in advance.
Store in fridge up to 5 days or freeze for later.