If you have a serious sweet tooth and love a dessert that feels like a luxurious hug, this Decadent Black Velvet Cake Recipe is exactly what you need in your kitchen. With its rich, deep chocolate flavor balanced by a tender crumb and luscious cocoa frosting, it’s a showstopper that’s perfect for celebrations or simply treating yourself. This cake brings together the best of rich cocoa and subtle sweetness, creating a luscious experience from the very first bite. Whether you’re a chocolate lover or just looking for a new favorite cake, this recipe delivers unforgettable decadence that’s surprisingly easy to make.

Ingredients You’ll Need
Every ingredient in this Decadent Black Velvet Cake Recipe plays a crucial role, combining classic bakery staples with rich cocoa powder to achieve that stunning black velvet color and sumptuous flavor. Each component is simple but essential, creating the perfect moisture, texture, and depth that bring the cake to life.
- All-purpose flour: The base of our cake, providing structure and a tender crumb.
- Granulated sugar: Adds balanced sweetness and helps with the cake’s moist texture.
- Unsweetened cocoa powder: Using dark or black cocoa gives the cake its signature deep color and intense chocolate flavor.
- Baking soda: Helps the cake rise beautifully and keeps it light and airy.
- Baking powder: Works alongside baking soda for perfect leavening and lift.
- Salt: Enhances all the flavors, especially the chocolate.
- Eggs: Bind the ingredients and add richness for a smooth, tender crumb.
- Buttermilk: Adds a slight tang and moisture, making the cake exceptionally soft.
- Vegetable oil: Keeps the cake moist and tender without overpowering the flavor.
- Vanilla extract: Brings a warm, fragrant depth that complements the chocolate perfectly.
- Boiling water: Intensifies the cocoa flavor and ensures a smooth, thin batter that bakes into a moist cake.
- Unsalted butter: The base for the frosting, softened for easy mixing.
- Powdered sugar: Sweetens and thickens the frosting for a silky finish.
- Cocoa powder: Added to the frosting for a velvety chocolate punch.
- Milk or heavy cream: Makes the frosting spreadable and creamy.
How to Make Decadent Black Velvet Cake Recipe
Step 1: Prepare Your Oven and Pans
Start by preheating your oven to 350°F (175°C). Take two 9-inch cake pans and grease them well, then flour or line them with parchment paper to make sure the cakes release easily after baking. This prep step is simple but really important for perfect results.
Step 2: Mix the Dry Ingredients
In a large bowl, whisk together all-purpose flour, granulated sugar, unsweetened cocoa powder, baking soda, baking powder, and salt. This even blending ensures the leavening and flavor are consistent throughout the cake — a vital foundation for an evenly baked masterpiece.
Step 3: Combine the Wet Ingredients
Into the dry mixture, add your eggs, buttermilk, vegetable oil, and vanilla extract. Beat this mixture until it’s perfectly smooth and glossy. Then comes the secret weapon: slowly stirring in boiling water. Your batter will be quite thin, but don’t let that worry you; it’s what keeps the cake wonderfully moist.
Step 4: Bake the Cake Layers
Divide the batter evenly between your prepared pans and slide them into the oven. Bake for 30 to 35 minutes, or until a toothpick poked in the center comes out clean. Once done, let the cakes cool in the pans for about 10 minutes before turning them out onto a wire rack. Cooling properly is key to avoid crumbly layers during frosting.
Step 5: Make the Cocoa Frosting
Beat softened unsalted butter until creamy and fluffy. Sift powdered sugar and cocoa powder into the butter, mixing thoroughly. Add vanilla extract and milk or heavy cream, starting with 4 tablespoons, and beat until smooth and spreadable. Adjust with more milk if the frosting is too thick. This frosting is the perfect balance of sweet and chocolate-rich, pairing beautifully with the tender cake layers.
Step 6: Assemble and Decorate
Place one cake layer on your serving plate. Generously spread a thick layer of frosting on top, then add the second cake layer. Cover the top and sides with the remaining frosting in a smooth or textured style—you choose! For an elegant finish, adorn your Decadent Black Velvet Cake Recipe with chocolate shavings, edible glitter, or fresh berries.
How to Serve Decadent Black Velvet Cake Recipe

Garnishes
Simple garnishes like chocolate curls or delicate edible glitter can elevate the presentation to celebration level without extra fuss. Fresh berries like raspberries add a burst of color and a subtle tartness that complements the richness of the cake splendidly. Even a sprinkle of powdered sugar can add charm.
Side Dishes
Pair your slice with whipped cream or a scoop of vanilla ice cream for the ultimate indulgence. Coffee or a rich espresso also makes a tantalizing companion, cutting through the chocolate’s intensity while enhancing its flavors.
Creative Ways to Present
Turn this cake into cupcakes or cake jars for individual servings. You can also create a layered trifle version by chopping up cake layers and alternating them with frosting and fresh berries in a glass. For gatherings, decorate with piped rosettes or personalized messages using colored frosting for a festive touch.
Make Ahead and Storage
Storing Leftovers
Once frosted, store your Decadent Black Velvet Cake Recipe covered at room temperature if you plan to eat it within a couple of days. For longer freshness, keep it in the refrigerator, tightly wrapped to prevent it from drying out or absorbing other fridge odors.
Freezing
This cake freezes wonderfully! Wrap the unfrosted layers tightly in plastic wrap and aluminum foil, then freeze for up to 3 months. Thaw overnight in the fridge before frosting and serving to maintain that moist, tender texture.
Reheating
If you want to enjoy the cake fresh out of the fridge or freezer, bring it to room temperature for the best flavor and texture. Avoid microwaving frosting-heavy slices to keep the texture intact. Just patience pays off here!
FAQs
Can I substitute buttermilk if I don't have any?
Absolutely! You can make a quick buttermilk substitute by adding 1 tablespoon of lemon juice or white vinegar to 1 cup of milk. Let it sit for 5 minutes before using. This ensures your cake stays tender and moist.
Is black cocoa powder different from regular cocoa powder?
Yes, black cocoa powder is an ultra-dark, heavily Dutched cocoa that gives this cake its signature color and a deeper chocolate flavor. If you can’t find it, using dark cocoa powder is a great alternative.
Why is my cake batter thin after adding boiling water?
The boiling water thins the batter intentionally to intensify the cocoa flavor and keep the cake moist. It’s normal and won’t affect the cake’s rise or texture negatively.
Can I make this recipe gluten-free?
You can try substituting all-purpose flour with a gluten-free flour blend, but results may vary. For the best texture, look for blends formulated specifically for baking cakes that include xanthan gum or other stabilizers.
How far in advance can I make this cake?
You can bake the cake layers up to 2 days ahead and keep them wrapped tightly in the fridge. The frosting is best made the day you plan to assemble for freshness and easy spreading.
Final Thoughts
This Decadent Black Velvet Cake Recipe is a keeper, truly one of those desserts that feels luxurious yet is completely attainable for home bakers. The balance of rich chocolate and tender crumb paired with a luscious cocoa frosting makes every bite a delight. Give it a whirl—you’ll find it’s the perfect cake for sharing happiness and sweet moments with those you love.
Print
Decadent Black Velvet Cake Recipe
- Prep Time: 15 minutes
- Cook Time: 30-35 minutes
- Total Time: 45-50 minutes
- Yield: 2 two-layer 9-inch cakes (8–10 servings)
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
This Decadent Black Velvet Cake is a rich and moist two-layer chocolate cake made with dark cocoa powder for an intense color and flavor. The recipe features a tender crumb enhanced by buttermilk and a smooth, creamy chocolate buttercream frosting. Perfect for special occasions, this elegant cake is beautifully finished with optional garnishes like chocolate shavings or fresh berries.
Ingredients
Cake
- 1 ¾ cups all-purpose flour
- 1 ½ cups granulated sugar
- ¾ cup unsweetened cocoa powder (dark or black cocoa preferred)
- 1 ½ tsp baking soda
- 1 tsp baking powder
- 1 tsp salt
- 2 large eggs
- 1 cup buttermilk
- ½ cup vegetable oil
- 2 tsp vanilla extract
- 1 cup boiling water
Frosting
- 1 cup unsalted butter, softened
- 3 cups powdered sugar
- ½ cup cocoa powder
- 2 tsp vanilla extract
- 4–5 tbsp milk or heavy cream
Instructions
- Preheat and Prepare Pans: Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans, or alternatively, line them with parchment paper to prevent sticking.
- Mix Dry Ingredients: In a large bowl, whisk together the all-purpose flour, granulated sugar, cocoa powder, baking soda, baking powder, and salt until fully combined.
- Add Wet Ingredients: To the dry mixture, add the eggs, buttermilk, vegetable oil, and vanilla extract. Beat the mixture thoroughly until the batter becomes smooth and uniform in texture.
- Incorporate Boiling Water: Slowly stir in the boiling water. Expect the batter to be thin, which is normal and will yield a moist cake.
- Bake the Cake: Divide the thin batter evenly between the prepared pans. Bake for 30 to 35 minutes, or until a toothpick inserted into the center of each cake comes out clean.
- Cool Cake Layers: Allow the cakes to cool in their pans for 10 minutes. Then, carefully transfer them to a wire rack to cool completely before frosting.
- Make the Frosting: Beat the softened butter until creamy. Gradually sift in the powdered sugar and cocoa powder, mixing well. Add vanilla extract and 4 tablespoons of milk or heavy cream. Continue beating until the frosting is smooth and spreadable, adding additional milk as needed to reach your desired consistency.
- Assemble and Decorate: Place one cake layer on a serving plate and spread a thick layer of the chocolate frosting over the top. Position the second cake layer on top and evenly frost the top and sides of the cake. Finish by garnishing with chocolate shavings, edible glitter, or fresh berries for an elegant presentation.
Notes
- Use dark or black cocoa powder for the richest color and flavor in this black velvet cake.
- Be careful when stirring in boiling water as the batter will be thin but it ensures a moist texture.
- Allow the cake layers to cool completely before frosting to prevent melting and sliding of the frosting.
- You can substitute milk for heavy cream in the frosting for a lighter consistency.
- Store the frosted cake in an airtight container at room temperature for up to 2 days, or refrigerate for up to 5 days.
- For extra elegance, add fresh berries or edible glitter as garnish.

