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Dark Chocolate Mousse Cake

Decadent Dark Chocolate Mousse Cake that Melts in Your Mouth

This Dark Chocolate Mousse Cake is a luscious dessert featuring a rich chocolate flavor and a velvety texture, perfect for special occasions.
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Prep Time 30 minutes
Cook Time 28 minutes
Chilling Time 8 hours
Total Time 8 hours 58 minutes
Servings: 12 slices
Course: Desserts
Cuisine: American
Calories: 485
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Cake
  • 1 Cup All-Purpose Flour for structure and stability
  • ½ Cup Dutch Cocoa Powder adds deep chocolate flavor and color
  • 1 Teaspoon Fine Espresso Powder optional, enhances chocolate's richness
  • ¾ Teaspoon Baking Powder helps the cake rise beautifully
  • ½ Teaspoon Baking Soda provides lift and soft texture
  • ½ Teaspoon Fine Sea Salt balances sweetness
  • 1 Cup Granulated White Sugar adds sweetness and moisture
  • ⅓ Cup Neutral Oil for tenderness and moisture
  • 1 Tablespoon Neutral Oil for tenderness and moisture
  • ⅓ Cup Full-Fat Sour Cream keeps the cake moist
  • 1 Whole Large Egg eggs at room temperature for binding
  • 1 Teaspoon Pure Vanilla Extract for aroma
  • ½ Cup Boiling Water enhances cocoa flavor
For the Mousse
  • 1½ Cups Heavy Cream to create a fluffy texture
  • 1 Whole Large Egg eggs to enrich mousse
  • ⅓ Cup White Granulated Sugar for sweetness
  • ¼ Cup Dutch Cocoa Powder adds chocolate flavor
  • 1 Teaspoon Fine Espresso Powder deepens chocolate notes
  • ⅛ Teaspoon Fine Sea Salt enhances flavors
  • 6 Ounces Dark Chocolate melted is the star of the show
  • 1 Teaspoon Pure Vanilla Extract enhances sweetness
  • 1 Cup Heavy Cream to be whipped, cold
For the Ganache
  • 5 Ounces Dark Chocolate (60% to 70%) provides a bittersweet touch
  • ⅔ Cup Heavy Cream for a smooth ganache

Equipment

  • 9-inch springform pan
  • Mixing Bowls
  • Whisk
  • Spatula
  • Saucepan
  • wire rack

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350ºF (180ºC) and prepare a 9-inch springform pan.
  2. Mix the dry ingredients together: flour, cocoa, espresso powder, baking powder, baking soda, salt.
  3. Combine the wet ingredients: sugar, oil, sour cream, egg, vanilla extract.
  4. Incorporate dry ingredients into wet, then add boiling water gradually until smooth.
  5. Bake the cake batter in the preheated oven for 24 to 28 minutes.
  6. Cool the baked cake on a wire rack for 15 minutes before removing from pan.
  7. Prepare the mousse mixture and let it chill for 1 to 1.5 hours.
  8. Whip the cold heavy cream until firm peaks form, then fold it into the chocolate mixture.
  9. Spread the mousse over the cooled cake and chill for at least 8 hours.
  10. Prepare the ganache and pour over the chilled mousse cake.
  11. Unmold the cake, garnish, and chill again for 10 to 15 minutes before serving.

Nutrition

Serving: 1sliceCalories: 485kcalCarbohydrates: 47gProtein: 6gFat: 32gSaturated Fat: 19gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gCholesterol: 90mgSodium: 120mgPotassium: 300mgFiber: 3gSugar: 26gVitamin A: 500IUCalcium: 50mgIron: 3mg

Notes

Use high-quality ingredients for the best flavor and texture. Ensure eggs are at room temperature. Allow chilling time for setting the mousse properly.

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