This Triple Chocolate Cake delivers intense chocolate flavor in every bite. Moist chocolate cake layers are paired with a silky chocolate ganache and a smooth chocolate buttercream filling, then finished with extra buttercream and mini chocolate chips on top for a truly indulgent dessert.
Looking for more dessert ideas? Try recipes like Carrot Cake, Turtle Brownies, or Homemade Chocolate Pudding—perfect companions when you want to expand your baking repertoire.
Made with unsweetened cocoa, a creamy ganache, and a decadent chocolate buttercream, this cake is an excellent choice for celebrations or when you simply crave a deeply chocolatey treat. The recipe uses two layers of moist cake, which keeps the process straightforward while still producing a bakery-quality result.
Perfect for birthdays, holidays, or any day that calls for chocolate, this cake reliably impresses. If you love chocolate, this recipe is likely one of the most satisfying cakes you’ll ever make.
Recipe Ingredients
Below are the ingredients you’ll need to make this Triple Chocolate Cake:
Chocolate Cake:
- All-purpose flour
- Granulated sugar
- Unsweetened cocoa powder
- Baking soda
- Baking powder
- Salt
- Eggs
- Buttermilk (or milk plus lemon/vinegar)
- Vegetable oil or canola oil
- Vanilla extract
- Hot espresso water (hot water mixed with espresso powder) or hot coffee
Chocolate Filling:
- Semi-sweet chocolate chips
- Heavy whipping cream
Chocolate Frosting:
- Unsalted butter, softened
- Unsweetened cocoa powder
- Powdered sugar
- Heavy cream (plus more if needed)
- Vanilla extract
Garnish:
- Mini chocolate chips or shaved chocolate
Ingredient Notes
- All-purpose flour: For consistent results, weigh your flour or spoon it into the measuring cup and level it—this prevents overpacking and a dense cake. This recipe also adapts well to quality 1-to-1 gluten-free flour blends.
- Buttermilk: Adds moisture and a slight tang. If you don’t have buttermilk, make a quick substitute by stirring 1 tablespoon of lemon juice or vinegar into 1 cup of milk and letting it sit a few minutes.
- Hot espresso water: Strengthens and deepens the chocolate flavor. Use instant espresso powder, instant coffee, or simply hot water if needed.
How to Make Triple Chocolate Cake — Step by Step
STEP 1: Preheat the oven to 350°F (175°C). Grease and line two 8-inch round cake pans with parchment paper.
STEP 2: In a large bowl, sift or whisk together the dry ingredients: flour, sugar, cocoa powder, baking soda, baking powder, and salt.
STEP 3: In a separate bowl, whisk the eggs with buttermilk, vegetable oil, and vanilla. Stir in the hot espresso water (or hot coffee) until the mixture is uniform.
STEP 4: Pour the wet ingredients into the dry ingredients and mix gently until the batter is smooth and combined. Divide the batter evenly between the prepared pans.
STEP 5: Bake for about 25 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs. Let the cakes cool in their pans for 10 minutes, then transfer them to a wire rack to cool completely.
STEP 6: For the chocolate filling (ganache): heat the heavy cream until it is just below boiling. Pour the hot cream over the chocolate chips in a heatproof bowl. Let it sit for 2 minutes, then stir until smooth. Allow to cool slightly so it thickens before spreading.
STEP 7: For the frosting: beat the softened butter and cocoa powder until smooth and creamy. Gradually add powdered sugar, alternating with heavy cream, until the frosting reaches a spreadable consistency. Stir in vanilla extract. Add more cream if the frosting is too stiff, or more powdered sugar if too thin.
STEP 8: Place one cake layer on a serving plate. Pipe or spread a thin buttercream dam around the edge to hold the ganache if you like. Spread a layer of ganache evenly over the top and let it set for 5–10 minutes. Spread a layer of buttercream on top of the ganache.
STEP 9: Top with the second cake layer and finish by frosting the outside of the entire cake with the remaining buttercream.
STEP 10: Garnish with mini chocolate chips or chocolate shavings. Let the frosting set before slicing and serving.
Storage and Freezing
Storage: Keep the cake covered at room temperature for 2–3 days. If your kitchen is warm, refrigerate the cake in an airtight container.
Freezing: Wrap individual slices or the whole cake tightly in plastic wrap and aluminum foil. Freeze for up to 3 months. Thaw at room temperature for 2–3 hours before serving.
Additions & Substitutions
Additions:
- Chocolate chips: Fold 1/2 cup of semi-sweet or dark chocolate chips into the batter for extra pockets of melted chocolate.
- Sour cream: Replace 1/4 cup of buttermilk with sour cream for extra moisture and richness.
- Espresso powder: Add 1 teaspoon to the frosting to enhance the chocolate flavor.
Substitutions:
- Buttermilk: Use milk mixed with 1 tablespoon lemon juice or vinegar per cup as a substitute.
- Espresso powder: Substitute instant coffee granules or use plain hot water if needed.
- Mini chocolate chips: Use shaved chocolate or chocolate curls for an elegant garnish.
Frequently Asked Questions
Can I make this cake in advance?
Yes. Bake the layers a day ahead and keep them wrapped at room temperature. You can also assemble the cake and refrigerate it; bring it to room temperature before serving for the best texture and flavor.
Why is this called a triple chocolate cake?
The recipe layers chocolate in three forms: the chocolate cake, the chocolate ganache filling, and the chocolate buttercream frosting, so every bite is rich and chocolate-forward.
Can I use a boxed cake mix?
You can, but a homemade scratch cake yields deeper chocolate flavor and a better crumb. If time is tight, a boxed mix combined with the ganache and buttercream still makes a delicious cake.
How do I keep the cake moist?
Avoid overbaking—remove the cakes when a toothpick comes out with a few moist crumbs. Measure ingredients accurately and include the ganache and buttercream layers, which add moisture.
Can I make this in a 9×13 pan?
Yes. Bake the batter in a 9×13-inch pan and adjust baking time. Spread the ganache and frosting across the top rather than layering.
What to Serve with Chocolate Cake
Serve this cake with a scoop of vanilla ice cream, a handful of fresh berries, or a drizzle of warm caramel or chocolate sauce to complement the rich chocolate layers.
Final Notes
Pro tip: Use room-temperature eggs, butter, and buttermilk for the smoothest batter and even baking. Gently level and measure ingredients and avoid overmixing to keep the crumb tender.
If you make this Triple Chocolate Cake, please leave a rating and share your experience—feedback helps refine recipes and inspires others to bake with confidence.
Triple Chocolate Cake
Pin Recipe
20 mins
25 mins
45 mins
Equipment
- 2 8-inch cake pans
Ingredients
For the Cake:
- 1 3/4 cups all-purpose flour
- 1 1/2 cups granulated sugar
- 3/4 cup unsweetened cocoa powder
- 2 teaspoons baking soda
- 1 teaspoon baking powder
- 1/2 teaspoon salt
- 2 large eggs
- 1 cup buttermilk
- 1/2 cup vegetable oil
- 2 teaspoons vanilla extract
- 1 cup hot espresso water
For the Chocolate Filling:
- 1 cup semi-sweet chocolate chips
- 1/2 cup heavy cream
For the Chocolate Frosting:
- 1 1/2 cups unsalted butter, softened
- 3/4 cup unsweetened cocoa powder
- 6 cups powdered sugar
- 1/3 cup heavy cream, plus more if needed
- 1 teaspoon vanilla extract
For Garnish:
- 1/2 cup mini chocolate chips
Instructions
- Preheat oven to 350°F. Grease and line two 8-inch round cake pans with parchment paper.
- In a large bowl, sift or whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt.
- In another bowl, whisk the eggs, buttermilk, vegetable oil, and vanilla; stir in the hot espresso water.
- Slowly add the wet ingredients to the dry, mixing until smooth. Divide the batter between the prepared pans. Bake for about 25 minutes, until a toothpick inserted comes out with a few moist crumbs. Cool in pans 10 minutes, then transfer to a wire rack to cool completely.
- For the ganache: heat the cream until just below boiling, pour over chocolate chips, wait 2 minutes, then stir until smooth and slightly cooled.
- For the frosting: beat butter and cocoa until creamy, then gradually add powdered sugar alternating with cream until spreadable. Mix in vanilla.
- Place one cake layer on a plate, spread ganache and allow to set slightly, then add buttercream. Top with the second layer and finish frosting the cake.
- Garnish with mini chocolate chips. Let set before slicing.
Notes
Tip: Use room-temperature ingredients for the best texture. If desired, add 1 teaspoon espresso powder to the frosting to intensify the chocolate flavor.
Nutrition
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