White Chocolate Mousse Ganache Cake Recipe
Make White Chocolate Mousse Ganache Cake Recipe in just 2h 30m. Get the full recipe with step-by-step instructions at pekinthechef.com.
Was this page helpful?
Help improve this recipe for others.
Send this recipe to your inbox.
We'll email it straight to you - plus weekly cooking inspiration.
Ingredients
Some product links may be affiliates. If you buy through them, you're supporting the site and Pekin may earn a commission at no extra cost to you.
Cake Base
White Chocolate Mousse
Ganache Topping
Method
Cake Base
- 1
Prepare the Oven and Pan
Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
- 2
Combine Dry Ingredients
In a large bowl, sift together the all-purpose flour, granulated sugar, cocoa powder, baking powder, baking soda, and salt.
- 3
- 4
Incorporate Boiling Water
Carefully stir in the boiling water until the batter is smooth. It will be thin.
- 5
Bake the Cake
Divide the batter evenly between the prepared pans and bake for 30-35 minutes or until a toothpick inserted into the center comes out clean.
- 6
Cool the Cakes
Remove from the oven and let the cakes cool in the pans for 10 minutes before transferring them to a wire rack to cool completely.
White Chocolate Mousse
- 7
Melt the White Chocolate
Chop the white chocolate into small pieces and melt it in a heatproof bowl over simmering water or in the microwave in 20-second increments until smooth. Let it cool slightly.
- 8
Prepare the Gelatin
In a small bowl, combine the gelatin and cold water. Let it sit for about 5 minutes until it blooms.
- 9
Whip the Heavy Cream
In a separate bowl, whip the heavy cream and powdered sugar until stiff peaks form. Add the vanilla extract and mix gently.
- 10
Combine the Mixtures
Gently fold the melted white chocolate into the whipped cream mixture until fully combined. Then, fold in the bloomed gelatin until incorporated.
- 11
Chill the Mousse
Cover the bowl with plastic wrap and refrigerate for at least 2 hours until set.
Ganache Topping
- 12
Heat the Heavy Cream
In a small saucepan over medium heat, bring the heavy cream to a simmer.
- 13
Melt the White Chocolate
Remove the saucepan from the heat and add the chopped white chocolate. Stir until completely melted and smooth.
- 14
Cool the Ganache
Let the ganache cool slightly at room temperature before using it on the cake.
Assembling the Cake
- 15
Layer the Cake
Once the cakes are completely cool, place one layer on a serving plate. Spread half of the white chocolate mousse on top.
- 16
Add Second Layer
Place the second layer on top of the mousse and spread the remaining mousse on top.
- 17
Pour Ganache Over Cake
Finally, pour the cooled ganache over the top of the cake, allowing it to drip down the sides.
- 18
Chill and Serve
Refrigerate the assembled cake for at least 30 minutes before slicing and serving.