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Chocolate shadow cake with layered chocolate sponge, creamy frosting, and glossy chocolate ganache drip on top

Best Chocolate Shadow Cake Decadent Chocolate Dessert - Rich, Moist, and Truly Indulgent

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Prep Time 25 minutes
Cook Time 30 minutes
Total Time 55 minutes
Course Cake, Dessert
Cuisine American
Servings 10 Slices

Ingredients
  

  • For the cake:
  • 1 3/4 cups (220 g) all-purpose flour
  • 3/4 cup (75 g) unsweetened cocoa powder (Dutch-process preferred)
  • 1 3/4 cups (350 g) granulated sugar
  • 1 1/2 teaspoons baking powder
  • 1 1/2 teaspoons baking soda
  • 1 teaspoon fine sea salt
  • 2 large eggs, room temperature
  • 1 cup (240 ml) buttermilk, room temperature
  • 1/2 cup (120 ml) neutral oil (canola or vegetable)
  • 2 teaspoons pure vanilla extract
  • 3/4 cup (180 ml) very hot brewed coffee (or hot water)
  • 3 ounces (85 g) dark chocolate, melted and slightly cooled
  • For the frosting:
  • 1 cup (230 g) unsalted butter, room temperature
  • 2 1/2 cups (300 g) powdered sugar, sifted
  • 3/4 cup (75 g) unsweetened cocoa powder
  • 1/2 teaspoon fine sea salt
  • 1 teaspoon pure vanilla extract
  • 6–8 tablespoons heavy cream (or whole milk), as needed
  • 6 ounces (170 g) dark chocolate, melted and cooled to lukewarm
  • Optional garnish: Chocolate curls, flaky sea salt, or cocoa dusting

Instructions
 

  • Prep the pans: Heat oven to 350°F (175°C). Grease and line two 8-inch round cake pans with parchment. Lightly dust with cocoa to prevent sticking.
  • Mix dry ingredients: In a large bowl, whisk flour, cocoa, sugar, baking powder, baking soda, and salt until well combined.
  • Combine wet ingredients: In another bowl, whisk eggs, buttermilk, oil, and vanilla until smooth.
  • Bring it together: Pour wet ingredients into dry and whisk just until combined. Add melted dark chocolate and mix briefly.
  • Add the hot coffee: Gradually whisk in the hot coffee. The batter will be thin—that’s correct. Do not overmix.
  • Bake: Divide batter evenly between pans. Bake 28–34 minutes, or until a toothpick comes out with a few moist crumbs.
  • Cool completely: Let cakes cool 10 minutes in pans, then turn out onto racks. Peel off parchment and cool fully.
  • Make the frosting: Beat butter until creamy. Add powdered sugar, cocoa, and salt in two additions, mixing on low until combined. Increase speed until fluffy.
  • Add vanilla and cream: Beat in vanilla and 4 tablespoons cream. Add more cream, 1 tablespoon at a time, until spreadable and silky.
  • Finish with melted chocolate: Beat in lukewarm melted chocolate until glossy and smooth. Taste and adjust salt or cocoa if needed.
  • Assemble: Level cake layers if domed. Place first layer on a stand. Spread a generous layer of frosting. Top with second layer and apply a thin crumb coat. Chill 15 minutes.
  • Final coat: Frost the top and sides smoothly. Create swoops or keep it sleek for that “shadow” look. Add optional garnishes.
  • Set and serve: Let the cake sit 20–30 minutes before slicing for clean cuts.