Ingredients:
For the Brownie Base:
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1 cup (2 sticks) unsalted butter
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1 ¼ cups granulated sugar
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1 cup brown sugar, packed
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4 large eggs
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1 tsp vanilla extract
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1 cup all-purpose flour
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1 cup unsweetened cocoa powder
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½ tsp baking powder
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½ tsp salt
For the Chocolate Mousse Layer:
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1 ½ cups semi-sweet chocolate chips
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1 ½ cups heavy cream (divided)
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2 tbsp powdered sugar
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1 tsp vanilla extract
For the Whipped Cream Layer:
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2 cups heavy whipping cream
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½ cup powdered sugar
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1 tsp vanilla extract
For the Ganache Drizzle:
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1 cup semi-sweet chocolate chips
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½ cup heavy cream
Garnish:
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Chocolate shavings
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Sugar crystals or sprinkles
Instructions:
1. Make the Brownie Base:
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Preheat oven to 350°F (175°C). Grease and line a 9×13 inch baking dish.
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Melt butter in a saucepan, whisk in both sugars until smooth.
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Add eggs and vanilla; whisk until glossy.
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Stir in flour, cocoa powder, baking powder, and salt until combined.
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Spread batter into the pan and bake 30–35 minutes, until set.
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Cool completely before layering.
2. Prepare the Chocolate Mousse:
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Heat ½ cup cream in a saucepan until warm, pour over chocolate chips, and let sit 2 minutes. Stir until smooth.
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Cool slightly.
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In a bowl, whip the remaining cream with powdered sugar and vanilla until stiff peaks form.
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Fold whipped cream into the melted chocolate mixture gently until fluffy.
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Spread mousse evenly over the cooled brownie base. Refrigerate 30 minutes.
3. Whipped Cream Layer:
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Beat heavy cream, powdered sugar, and vanilla until stiff peaks form.
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Spread over chocolate mousse layer. Chill again while preparing ganache.
4. Ganache Drizzle:
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Heat cream until simmering, pour over chocolate chips, and stir until smooth.
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Let cool slightly before drizzling over whipped cream layer.