This black velvet cake is Halloween dessert goals: pitch-black, ultra moist, and full of rich, chocolatey flavor. Made with black cocoa powder (no food dye needed!), it tastes just like an Oreo cookie in cake form.

Adapted from my naturally dyed black velvet cupcakes, the chocolate cake layers bake up soft and tender, then get covered in my favorite silky black cocoa buttercream. It’s a guaranteed bakery-style show stopper perfect for your Halloween dessert table!

A slice of black velvet cake with black cocoa frosting on a black plate.

Bake Along Instructions (with photos)

A glass bowl full of the black velvet cake batter.

1

Make the black cocoa cake batter. Once the batter is mixed, you’ll see a rich black color and a glossy texture, all thanks to the black cocoa powder.

It’s the same ingredient that gives my chocolate Oreo cake with layers of cookies-and-cream frosting its signature dark chocolate flavor!

Three black chocolate cake layers in cake pans cooling on a wire rack.

2

Let the cake layers cool on a wire rack. Meanwhile, you can make the frosting. You want to wait until the cake layers are completely cooled before assembling, or the cake will melt the frosting!

The chocolate cake covered in a crumb coat of black cocoa frosting.

3

Layer the cake layers with the black cocoa buttercream frosting. Once assembled, cover the cake in a thin layer of frosting (crumb coat). Then, chill in the fridge until set.

This keeps the layers firm and prevents them from sliding around while you decorate the cake.

Chocolate velvet cake decorated with halloween sprinkles on a wooden cake stand.

4

Cover the entire cake with the remaining frosting, then decorate with sprinkles. I always make this cake for Halloween, so I use a mix of fun sprinkles like eyeballs and black bats!

Once you’ve had a slice of this cake, you’ll get why I love black cocoa. It’s the same ingredient that makes my dark black cocoa miso brownies with an umami twist so intensely rich and bakery-style decadent!

A slice of black cocoa cake on a black plate with a fork digging in.

Skip the bakery run for your Halloween spread because I’ve got you covered with a lineup of treats! My monster cookie bars loaded with peanut butter and M&Ms are perfect for a crowd, while my black cocoa Oreo cupcakes dipped in ganache have the same moody, Oreo-rich flavors and can easily be dressed up for the holiday!

If you tried this or any other recipe on my website, please let me know how it went in the comments; I love hearing from you! Also, please leave a star rating while you’re there! You can also tag me on Instagram or Facebook so I can check it out!

Slice of black velvet cake with black cocoa buttercream on a black plate.

Black Velvet Cake

5 from 29 votes
– by Cambrea Gordon

Bold, dramatic, and seriously delicious, this black velvet cake gets its deep color and flavor from black cocoa powder. No artificial dyes here! Topped with silky black cocoa buttercream, it’s a bakery-style Halloween showstopper everyone will remember!
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Prep Time: 5 hours
Cook Time: 28 minutes
Total Time: 5 hours 28 minutes
Course: Dessert
Cuisine: American
Servings: 10 servings

Equipment

Need Metric Measurements?Use the button options below to toggle between US cups and Metric grams!

Ingredients 
 

Black Cocoa Cake Batter

  • 1 2/3 cup all-purpose flour, *See notes below for measuring*
  • 3/4 cup black cocoa powder
  • 1 teaspoon baking soda
  • 1 teaspoon fine sea salt
  • 2 cups granulated sugar
  • 1/2 cup neutral oil, like canola, vegetable, or avocado
  • 1 cup buttermilk, room temperature
  • 2 large eggs, room temperature
  • 1 teaspoon vanilla extract
  • 2/3 cup hot coffee, substitute hot water

Black Cocoa Frosting

  • 2 cups unsalted butter, room temperature
  • 2 cups powdered sugar
  • 1/2 cup black cocoa powder
  • 3 tablespoons heavy cream
  • 1 teaspoon vanilla bean paste or extract
  • Pinch of fine sea salt
  • Sprinkles for decorating

Instructions

Make the Cake Batter

  • Line three 6-inch cake pans with a round of parchment paper on the bottoms. Preheat the oven to 350 F/180 C.
  • Whisk together the flour, black cocoa powder, baking soda, and salt until combined. Set aside.
    1 2/3 cup (210 g) all-purpose flour, 1 teaspoon baking soda, 1 teaspoon fine sea salt, 3/4 cup (75 g) black cocoa powder
  • In a large bowl, whisk together the oil and sugar. Whisk in the buttermilk, eggs, and vanilla extract. Then whisk in the dry ingredients until smooth.
    2 cups (400 g) granulated sugar, 1/2 cup (100 g) neutral oil, 1 cup (227 g) buttermilk, 2 (110 g) large eggs, 1 teaspoon vanilla extract
  • Then, whisk the hot coffee into the cake batter until just combined.
    2/3 cup (145 g) hot coffee
  • Evenly distribute the cake batter into the prepared cake pans. This is best done with a food scale for accuracy; each pan should hold roughly 400 grams.
  • Bake for 25-35 minutes, or until a toothpick inserted into the center comes out covered in a few moist crumbs. Let the pans cool on a wire rack, then run an offset spatula around the edges and flip them out onto the rack.

Make the Black Cocoa Buttercream

  • Cream the butter in a stand mixer bowl until smooth. Then, mix in the powdered sugar. Beat on medium-low speed until the frosting is light and airy. Then, mix in the black cocoa powder, heavy cream, vanilla, and salt until combined.
    2 cups (452 g) unsalted butter, 2 cups (300 g) powdered sugar, 1/2 cup (50 g) black cocoa powder, 3 tablespoons (36 g) heavy cream, 1 teaspoon vanilla bean paste or extract, Pinch of fine sea salt

Assembly

  • Place the first cake layer on your serving board. Pipe an even layer of the black frosting on the top. Continue alternating the cake layers and frosting, placing the last layer upside down. Then, cover the cake with a thin layer of frosting to crumb coat. Chill the cake in the fridge for 15-20 minutes, or until the frosting is firm.
  • Use the remaining frosting to cover the top and sides of the cake. Decorate as desired and enjoy!
    Sprinkles for decorating

Notes

*Measure your flour properly. This is my #1 baking tip! Do not ever scoop a measuring cup into your flour as this always leads to using too much flour. Instead, use the spoon-level method. This means fluffing the flour first, then spooning it into your measuring cup/spoon. For the BEST results, use a kitchen scale!*
Leftover cake slices should be stored in an airtight container in the fridge for 4-5 days. They can also be wrapped individually in plastic wrap, placed in an airtight container, and stored in the freezer for up to 1 month!
Serving: 1serving | Calories: 740kcal | Carbohydrates: 101g | Protein: 6g | Fat: 38g | Saturated Fat: 17g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 14g | Trans Fat: 1g | Cholesterol: 98mg | Sodium: 392mg | Potassium: 206mg | Fiber: 4g | Sugar: 75g | Vitamin A: 818IU | Vitamin C: 0.01mg | Calcium: 56mg | Iron: 2mg

The calorie information provided for the recipe is an estimate. The accuracy of the calories listed is not guaranteed.

5 from 29 votes (15 ratings without comment)

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48 Comments

  1. Hi,
    I do not possess three 6 inch round baking pans. Can I use two 9 inch round cake pans that are about 2 inches deep instead?