Triple Chocolate Cake is the recipe that Teresa makes when someone in the family announces that the only thing they want for their birthday is the best chocolate cake that has ever existed, because this is precisely what this recipe delivers. The magic is in the triple chocolate approach: cocoa powder throughout the deeply moist and fudgy cake layers, a silky and creamy chocolate buttercream applied generously over the top and sides, and a press of chocolate chips around the entire exterior that gives every slice a fourth chocolate experience when the chips melt slightly against the warmth of a room-temperature cake. Three chocolates working in complete and absolutely wonderful harmony.
Triple Chocolate Cake is the birthday celebration layer cake that earns its name honestly and completely through three separate and distinct chocolate applications in the same recipe. A deeply moist and fudgy two-layer cake made with natural cocoa powder, buttermilk, and hot coffee for the most intensely chocolatey crumb imaginable, frosted with a creamy and silky chocolate buttercream made from butter, powdered sugar, cocoa, and heavy cream, and finished with chocolate chips pressed into the frosting for a final layer of pure chocolate indulgence. Come follow us on Pinterest where we share beautiful chocolate cake recipes and stunning celebration bakes from our kitchen every single week.
Table of Contents
Why You Will Love This Triple Chocolate Cake Recipe
This Triple Chocolate Cake recipe is the celebration bake that has earned thousands of genuinely enthusiastic reviews from home bakers who describe it as the best chocolate cake they have ever made and the best chocolate cake they have ever tasted. The combination of natural cocoa powder and hot coffee in the batter produces the signature reddish tint of a classic Devil’s Food cake while delivering the most deeply and completely chocolatey flavor of any layer cake recipe. The chemical reaction between the baking soda and the natural cocoa powder creates both the characteristic color and an extraordinary tenderness in the finished crumb.
Vegetable oil rather than butter is the fat choice that makes this cake so consistently and durably moist. Oil remains liquid at room temperature and in the refrigerator, meaning the crumb of this cake stays soft and yielding days after baking in a way that a butter-based cake cannot achieve. This durability makes it the most practical and reliable choice for a birthday or celebration cake that needs to be made ahead and served at its best. Our Chocolate Raspberry Cupcakes make a beautifully individual and equally deeply chocolatey companion treat for a complete and spectacular birthday celebration dessert spread.
Ingredients Needed for This Triple Chocolate Cake Recipe
For the Chocolate Cake:
- 1¾ cups (219g) All-Purpose Flour, spooned and leveled
- ¾ cup (62g) Unsweetened Natural Cocoa Powder
- 1¾ cups (350g) Granulated Sugar
- 2 tsp Baking Soda
- 1 tsp Baking Powder
- 1 tsp Salt
- 2 tsp Espresso Powder (optional but recommended)
- ½ cup (120ml) Vegetable Oil
- 2 large Eggs, room temperature
- 2 tsp Pure Vanilla Extract
- 1 cup (240ml) Buttermilk, room temperature
- 1 cup (240ml) Freshly Brewed Strong Hot Coffee
For the Chocolate Buttercream:
- 1¼ cups (282g) Unsalted Butter, softened
- 3½ cups (420g) Confectioners Sugar
- ¾ cup (62g) Unsweetened Cocoa Powder (natural or Dutch-process)
- 3 to 5 tbsp Heavy Cream, room temperature
- ¼ tsp Salt
- 1 tsp Pure Vanilla Extract
For Decoration:
- Semi-Sweet Chocolate Chips
How to Make This Triple Chocolate Cake Recipe
Preheat the oven to 350°F. Grease two 9-inch round cake pans, line the bottoms with parchment paper rounds, and grease the parchment.
In a large bowl, whisk together the flour, natural cocoa powder, granulated sugar, baking soda, baking powder, salt, and espresso powder until fully combined. Using a handheld mixer or stand mixer with a whisk attachment, or simply a whisk, combine the vegetable oil, room-temperature eggs, and vanilla on medium-high speed until combined. Add the room-temperature buttermilk and mix until incorporated. Pour the wet ingredients into the dry ingredients. Add the hot brewed coffee and whisk or beat on low speed until the batter is completely combined. The batter will be noticeably thin, cara mia. This is completely correct and expected and is what produces the extraordinarily moist and fudgy texture.
Divide the batter evenly between the two prepared pans. Bake for 23 to 26 minutes until a toothpick inserted into the center comes out clean. Do not overbake. Allow to cool completely in the pans on wire racks before removing or frosting. The cooled cake layers may sink very slightly in the center. This is a completely normal result of the moisture-to-flour ratio in this recipe and does not indicate any problem with the bake.
For the chocolate buttercream, beat the softened butter with a handheld or stand mixer on medium speed for about 2 minutes until creamy. Add the confectioners sugar, cocoa powder, 3 tablespoons of heavy cream, salt, and vanilla extract. Beat on low for 30 seconds to incorporate then increase to high speed and beat for exactly 1 full minute. Do not overbeat. Assess the consistency. If the frosting is too thick, add 1 to 2 tablespoons more cream and beat briefly. If it seems too thin, add a quarter cup more confectioners sugar.
If the cooled cake layers have domed tops, use a serrated knife to level them by slicing a thin flat layer off the top of each, creating two flat surfaces for the most even and stable stacking. Place the first layer on the cake stand. Spread a generous even layer of buttercream over the top. Place the second layer on top and frost the top and sides generously. Press chocolate chips into the frosted sides all the way around and across the top for the most beautiful and indulgent triple chocolate presentation.
How to Serve This Triple Chocolate Cake Recipe
Refrigerate the assembled frosted cake uncovered for at least 30 to 60 minutes before slicing to help the frosting set and the shape to hold cleanly when the knife goes through. Serve at room temperature or chilled. The cake is extraordinary either way and the choice is purely one of personal preference.
Slice generously and serve on white plates with a single extra chocolate chip placed beside each slice for the most charming and deliberately playful garnish. Our Fluffy Strawberry Shortcake Puppy Chow makes a wonderfully playful and sweet companion snack for a complete and joyful birthday celebration spread alongside this spectacular triple chocolate cake.
How to Store This Triple Chocolate Cake Recipe
Store the frosted cake covered in the refrigerator for up to 5 days. Because the cake uses vegetable oil as the primary fat, it remains significantly more moist than butter-based cakes throughout storage. The frosted and assembled cake also freezes beautifully for up to 3 months. Thaw overnight in the refrigerator and bring to room temperature before serving.
For make-ahead convenience, bake and cool the cake layers up to 2 days ahead and refrigerate wrapped tightly. Make the buttercream up to 2 to 3 days ahead and refrigerate covered. Bring the frosting to room temperature before spreading.
Tips to Make This Triple Chocolate Cake Recipe
Use natural cocoa powder specifically in the cake batter rather than Dutch-process. This recipe relies on the reaction between baking soda and the natural acidity of natural cocoa powder to produce the characteristic lift, tender crumb, and reddish Devil’s Food tint. Dutch-process cocoa is alkaline and does not react with baking soda in the same way, which would reduce the lift and change both the texture and color of the finished cake.
Buttermilk is a required ingredient in this recipe and cannot be replaced with regular milk without a meaningful impact on the tenderness and moisture of the finished cake. The acidity of the buttermilk reacts with the baking soda and tenderizes the crumb in a way that plain milk cannot replicate. Make a quick substitute by adding 2 teaspoons of white vinegar or lemon juice to a measuring cup and filling to 1 cup with whole milk. Allow to sit for 5 minutes before using.
Helpful Notes for This Triple Chocolate Cake Recipe
The thin batter that results from adding the hot coffee at the end of mixing always alarms first-time bakers of this recipe. It looks far too thin and liquid to produce a proper cake and this reaction is completely understandable. Trust the recipe. The thin batter is exactly what produces the extraordinary moistness and the springy and slightly fudgy texture that makes this cake so completely extraordinary. Pour it into the pans, bake, and enjoy the most pleasant surprise in the oven.
The espresso powder is optional but deeply recommended. It does not make the cake taste like coffee. It makes the chocolate flavor in the finished cake taste more profound, more complex, and more deeply satisfying than the same recipe without it.
Variation of This Triple Chocolate Cake Recipe
Maria made a version using the sour cream adaptation, replacing half the buttermilk and half the coffee with three quarters cup of full-fat sour cream for a slightly thicker batter and a slightly denser and more structured crumb that is equally moist but holds up more cleanly under fondant if needed for a decorated celebration cake. Teresa tried a four-chocolate version by adding a layer of chocolate ganache between the two frosted layers in addition to the buttercream for an extra deeply indulgent chocolate filling experience.
For a peanut butter chocolate version, replace half the chocolate buttercream with peanut butter buttercream made by substituting half the cocoa powder with creamy peanut butter for a chocolate peanut butter layer cake that is completely extraordinary. Our Easter Brownies make a wonderfully fudgy and equally chocolate-forward companion for a complete and spectacular chocolate celebration dessert table.
FAQs About This Triple Chocolate Cake Recipe
Why does this recipe specify natural cocoa rather than Dutch-process?
Natural cocoa powder is acidic and reacts with the baking soda in this recipe to produce carbon dioxide bubbles that lift the cake and create its characteristically tender and slightly spongy crumb. It also reacts with the baking soda to produce the reddish tint of a classic Devil’s Food cake which comes from the natural anthocyanins in cocoa reacting with the alkaline baking soda. Dutch-process cocoa is alkaline and does not produce this reaction, resulting in a different lift, texture, and color in the finished cake.
Can I make this as a three-layer cake?
Yes. Divide the same batter among three 8-inch or 9-inch pans and bake for 22 to 25 minutes. The frosting quantity in this recipe is sufficient for three layers. For an even more generously frosted three-layer cake, increase each frosting ingredient by 50%.
How long does this cake stay moist?
This cake stays beautifully and durably moist for up to 5 days in the refrigerator because it is made with vegetable oil rather than butter as the primary fat. Oil remains liquid at room temperature and cold temperatures, preventing the cake crumb from firming and drying out the way a butter-based cake would over the same storage period. It is one of the most make-ahead friendly layer cakes imaginable.
Conclusion
This Triple Chocolate Cake is the birthday and celebration bake that has earned its reputation as the best chocolate cake thousands of home bakers have ever made through a genuinely exceptional combination of the most moist and fudgy chocolate cake layers, the most silky and creamy chocolate buttercream, and the most playfully indulgent chocolate chip exterior that makes every single slice a complete and deeply chocolatey celebration in itself. We hope it brings the same birthday magic and the same completely delighted table to your kitchen that it has always brought to ours. Make it, share it, and come back to tell us all about it. With all our love, Maria, Lucia, and Teresa
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Triple Chocolate Cake The Most Moist and Deeply Chocolatey Cake You Will Ever Bake
- Total Time: 4 hours including cooling
- Yield: 12 to 16 slices 1x
- Diet: Vegetarian
Description
The most moist and deeply chocolatey Triple Chocolate Cake made with a Devil’s Food style natural cocoa layer cake with buttermilk and hot coffee frosted with silky chocolate buttercream and finished with chocolate chips pressed into the frosting for three distinct layers of pure chocolate indulgence in every single slice.
Ingredients
1 3/4 cups All-Purpose Flour spooned and leveled
3/4 cup Unsweetened Natural Cocoa Powder
1 3/4 cups Granulated Sugar
2 tsp Baking Soda
1 tsp Baking Powder
1 tsp Salt
2 tsp Espresso Powder optional
1/2 cup Vegetable Oil
2 large Eggs room temperature
2 tsp Pure Vanilla Extract
1 cup Buttermilk room temperature
1 cup Freshly Brewed Strong Hot Coffee
1 1/4 cups Unsalted Butter softened for buttercream
3 1/2 cups Confectioners Sugar
3/4 cup Unsweetened Cocoa Powder for buttercream
3 to 5 tbsp Heavy Cream room temperature
1/4 tsp Salt for buttercream
1 tsp Pure Vanilla Extract for buttercream
Semi-Sweet Chocolate Chips for decoration
Instructions
1. Preheat oven to 350°F. Grease two 9-inch pans. Line with parchment. Grease parchment.
2. Whisk flour, cocoa, sugar, baking soda, baking powder, salt, and espresso powder in a large bowl.
3. Mix oil, eggs, and vanilla until combined. Add buttermilk and mix.
4. Pour wet into dry. Add hot coffee. Whisk on low until fully combined. Batter will be thin.
5. Divide evenly between pans.
6. Bake 23 to 26 minutes until toothpick comes out clean. Cool completely in pans.
7. Beat butter 2 minutes until creamy.
8. Add confectioners sugar, cocoa, 3 tbsp cream, salt, and vanilla. Beat on low 30 seconds then high for 1 full minute.
9. Adjust consistency with more cream or sugar as needed.
10. Level cake tops with serrated knife if domed.
11. Place first layer on stand. Frost top evenly. Stack second layer. Frost top and sides.
12. Press chocolate chips into sides and top.
13. Refrigerate uncovered 30 to 60 minutes before slicing.
- Prep Time: 30 minutes
- Cook Time: 26 minutes
- Category: Dessert, Cake
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 590
- Sugar: 62g
- Sodium: 420mg
- Fat: 32g
- Saturated Fat: 16g
- Unsaturated Fat: 14g
- Trans Fat: 0g
- Carbohydrates: 74g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 85mg
Keywords: triple chocolate cake, best chocolate layer cake recipe, devil’s food chocolate cake, moist chocolate birthday cake
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