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Chocolate Mousse Cake

Irresistible Chocolate Mousse Cake for Every Celebration

This Chocolate Mousse Cake is a decadent dessert featuring a moist cake base, velvety mousse layers, and a glossy ganache, perfect for any celebration.
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Prep Time 30 minutes
Cook Time 30 minutes
Cooling Time 2 hours
Total Time 3 hours
Servings: 8 slices
Course: Desserts
Cuisine: American
Calories: 450
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Cake
  • 2 cups All-Purpose Flour Can use gluten-free flour blend
  • 2 cups Granulated Sugar No substitutes recommended
  • ¾ cup Unsweetened Cocoa Powder Consider using dark cocoa
  • 1 teaspoon Baking Powder Do not substitute
  • 1 teaspoon Baking Soda Do not substitute
  • ½ teaspoon Salt Enhances flavor
  • ¾ cup Vegetable Oil Melted butter can be used
  • 1 cup Buttermilk Milk and vinegar mix can substitute
  • 3 large Eggs No substitutes recommended
  • 2 teaspoons Vanilla Extract Opt for pure vanilla
  • 1 cup Boiling Water Do not skip this step
For the Mousse and Ganache
  • ½ cup Heavy Cream Whipping cream can be a lighter substitute
  • 8 ounces Semisweet Chocolate Dark chocolate works well

Equipment

  • oven
  • Mixing bowls
  • hand mixer
  • Cake pans
  • spatula
  • Wire rack
  • saucepan

Method
 

Cake Preparation
  1. Preheat your oven to 350°F (175°C) and prepare two 9-inch round cake pans.
  2. In a large mixing bowl, sift together flour, sugar, cocoa powder, baking powder, baking soda, and salt.
  3. Whisk together oil, buttermilk, eggs, and vanilla in another bowl until creamy.
  4. Gradually combine wet and dry ingredients, adding boiling water until the batter is smooth.
  5. Divide the batter between pans and bake for 25-30 minutes until a toothpick comes out clean.
  6. Allow cakes to cool in pans for 10 minutes before transferring to wire racks.
Mousse Preparation
  1. Heat ½ cup of heavy cream until steaming, then pour over chopped chocolate and whisk until smooth.
  2. In a bowl, whip remaining heavy cream and sugar until soft peaks form, then fold into chocolate mixture.
Garnishing and Assembly
  1. Prepare ganache by heating 1 cup of cream and pouring it over chopped chocolate until smooth.
  2. Spread mousse between the cooled cake layers, then cover the entire cake with remaining mousse.
  3. Pour warm ganache over the top and let it drip down the sides, then chill for at least 2 hours.

Nutrition

Serving: 1slicesCalories: 450kcalCarbohydrates: 50gProtein: 6gFat: 25gSaturated Fat: 15gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gCholesterol: 100mgSodium: 300mgPotassium: 200mgFiber: 3gSugar: 35gVitamin A: 500IUCalcium: 100mgIron: 3mg

Notes

For best results, follow expert tips regarding mixing, cooling, and using high-quality chocolate.

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