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Best Double Chocolate Cake with Black Velvet Icing


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  • Author: ava salmon
  • Total Time: 1 hour 45 minutes
  • Yield: 12 slices 1x

Description

This indulgent double chocolate cake is rich, ultra-moist, and layered with silky smooth black velvet icing. It’s a stunning showstopper for any occasion and the ultimate dessert for chocolate lovers.


Ingredients

Scale

For the Cake:

  • 1 ¾ cups all-purpose flour
  • ¾ cup unsweetened Dutch-process cocoa powder
  • 2 tsp baking soda
  • ½ tsp baking powder
  • 1 tsp salt
  • 1 cup buttermilk, room temp
  • ½ cup hot brewed coffee
  • ½ cup sour cream
  • 2 large eggs
  • ½ cup vegetable oil
  • 1 tsp vanilla extract
  • 1 ½ cups granulated sugar
  • ½ cup packed light brown sugar
  • 4 oz dark chocolate (70%), melted

For the Black Velvet Icing:

  • 1 cup unsalted butter, softened
  • 3 cups powdered sugar, sifted
  • ½ cup dark cocoa powder
  • 1 tbsp heavy cream (adjust as needed)
  • 1 tsp vanilla extract
  • 1 tsp espresso powder (optional)
  • Black gel food coloring (to desired shade)
  • Pinch of salt

Instructions

  1. Preheat oven to 350°F (175°C). Grease and line two 8-inch round pans.
  2. In a bowl, whisk flour, cocoa powder, baking soda, baking powder, and salt.
  3. In another bowl, mix buttermilk, coffee, sour cream, eggs, oil, vanilla, and both sugars.
  4. Combine wet and dry mixtures, then fold in melted dark chocolate.
  5. Divide batter between pans and bake 30–35 minutes. Cool in pans for 10 minutes, then transfer to wire racks.
  6. For the icing, beat butter until creamy. Add powdered sugar and cocoa powder gradually.
  7. Mix in vanilla, espresso powder, salt, and heavy cream. Beat until smooth. Add black gel food coloring to desired intensity.
  8. Frost cake once layers are completely cool. Chill slightly before serving for clean slices.

Notes

  • For darker icing, let it rest for 2–4 hours to deepen in color.
  • Coffee enhances the chocolate flavor without being detectable.
  • Store cake at room temperature (covered) for up to 3 days, or refrigerate for up to 5.
  • Prep Time: 25 minutes
  • Cook Time: 35 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 510
  • Sugar: 38 g
  • Sodium: 180 mg
  • Fat: 27 g
  • Saturated Fat: 16 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 0 g
  • Carbohydrates: 64 g
  • Fiber: 4 g
  • Protein: 5 g
  • Cholesterol: 70 mg