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Chocolate Mousse Cake Recipe Easy – Rich & Airy Layers

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A luxurious chocolate dessert with a fudgy cake base and silky chocolate mousse topping — perfect for celebrations or romantic evenings.

Ingredients

Scale

For the Cake Layer:

  • ¾ cup all-purpose flour

  • ½ cup unsweetened cocoa powder

  • ¾ tsp baking powder

  • ¼ tsp salt

  • 2 eggs

  • ¾ cup sugar

  • ⅓ cup melted butter or oil

  • ½ cup buttermilk

  • 1 tsp vanilla extract

For the Mousse Layer:

  • 8 oz dark chocolate, chopped

  • 1½ cups heavy cream

  • 2 egg yolks

  • 2 tbsp sugar

  • 1 tsp gelatin + ¼ cup water (optional)

Optional Toppings:

  • Chocolate ganache

  • Whipped cream

  • Chocolate curls

  • Berries

Instructions

  • Preheat oven to 350°F. Grease and line a springform pan.

  • Mix cake dry ingredients in one bowl, wet in another. Combine and pour into pan.

  • Bake 18–22 min. Cool completely.

  • Melt chocolate. Whip cream to soft peaks. Prepare gelatin if using.

  • Whisk egg yolks with sugar. Add gelatin (optional) and melted chocolate. Fold in cream.

  • Pour mousse over cake. Chill 4+ hours.

  • Release from pan and top with ganache or cream as desired.

Notes

  • Use good chocolate for best results.

  • Make ahead and chill overnight.

  • For clean slices, use a hot, dry knife.