From breakfast to dinner, from wholesome meals to indulgent desserts, Nexa Recipes offers quick, easy, and delicious ideas for every occasion and every moment.

Double Chocolate Cake delivers rich chocolate flavor and a moist crumb that stands up well to a thick buttercream. You get deep cocoa notes in the layers and a soft, spreadable frosting that finishes each slice cleanly.
This recipe answers the practical need for a reliably moist, three-layer chocolate cake for birthdays, gatherings, or weekend baking. If you enjoy rich sweets, you might also like this banana monkey bread with white chocolate for a different brunch-style treat.
Why Make This Recipe
This Double Chocolate Cake uses pantry staples and a single-bowl batter approach for straightforward prep. You mix dry ingredients first, add wet ingredients, and finish the batter with hot coffee to deepen the chocolate flavor without extra effort.
Baking three thin layers keeps the interiors even and cuts overall baking time compared with one deep pan. The frosting is a classic powdered sugar buttercream that you can make while the cakes cool.
The hands-on time is moderate; most of the work is mixing and frosting. It’s practical for weekend baking, celebrations, or when you want a reliable chocolate layer cake.
How to Make Double Chocolate Cake With Buttercream Frosting
The method relies on balancing leaveners and liquids so the cake rises evenly and remains tender. Hot coffee or boiling water blooms the cocoa and makes the chocolate flavor more pronounced. A room-temperature butter-based frosting whips up glossy and stable for spreading.
Choosing three 8- or 9-inch pans produces thin layers that bake uniformly. Cooling the layers completely before frosting prevents a melted or runny buttercream.
Ingredients
- 2 cups sugar, 1 3/4 cups flour, 3/4 cup cocoa, 1 1/2 tsp baking powder, 1 1/2 tsp baking soda, 1 tsp salt, 2 eggs, 1 cup buttermilk, 1/2 cup butter, melted, 1 tbsp vanilla extract, 1 cup hot coffee or boiling water, 2 sticks (1 cup) butter, room temperature, 1 cup unsweetened cocoa powder, 1/2 cup milk, 2 to 3 cups powdered sugar
Directions
- Preheat oven to 350°F.
- Grease three round baking pans.
- In a bowl, stir together sugar, flour, cocoa, baking powder, baking soda, and salt.
- Add eggs, buttermilk, melted butter, and vanilla; beat for 2 minutes.
- Stir in hot coffee.
- Pour batter into pans.
- Bake for 30-35 minutes or until a toothpick comes out clean.
- Cool completely before frosting.
- For the frosting, whip the butter on medium speed.
- Add cocoa powder slowly.
- Add powdered sugar and milk alternately until desired consistency is reached.
- Beat until fluffy, about 3-5 minutes.

How to Serve Double Chocolate Cake With Buttercream Frosting
Serve slices at room temperature for the best texture. A thin dusting of cocoa or a few chocolate shavings on top adds a simple finish. Pair with brewed coffee or a glass of cold milk to balance richness.
For a party, arrange slices on a platter with fresh berries or a small bowl of raspberry sauce for tart contrast. You can also serve small dollops of whipped cream alongside each slice for a lighter accompaniment.
How to Store Double Chocolate Cake With Buttercream Frosting
If you’ll eat the cake within 1–2 days, keep it covered at room temperature in a cake dome or airtight container. For longer storage up to 4 days, refrigerate in a covered container to protect the frosting.
To freeze, wrap individual slices tightly in plastic wrap and place them in a freezer-safe bag for up to 2 months. Thaw in the refrigerator overnight, then bring to room temperature before serving to restore texture and flavor.
Tips to Make Double Chocolate Cake With Buttercream Frosting
Follow these brief tips to improve texture and flavor.
- Use room-temperature eggs and butter to ensure even mixing and a smooth batter.
- Sift the cocoa with the flour to avoid lumps and to aerate the dry mix.
- Use hot coffee in the batter to intensify the chocolate flavor without adding extra fat.
- Don’t overfill the pans; fill each about two-thirds full for even rise.
- Cool the layers fully before frosting to prevent melting the buttercream.
- Adjust powdered sugar amount in the frosting to reach your preferred sweetness and spreadability.
- If the frosting is too stiff, add a teaspoon of milk at a time until spreadable.
- For a glossy finish, beat the buttercream longer on medium-high until light and silky.
Common Mistakes to Avoid
A common error is frosting a warm cake. This causes the buttercream to soften and slide off the layers; always cool completely. Another issue is using cold butter in the frosting, which makes the texture lumpy; bring butter to room temperature before whipping.
Overmixing the batter after adding flour can make the crumb dense. Mix just until combined, then add the hot coffee and finish quickly.
FAQs
What pan size should I use for the three layers?
Use three 8- or 9-inch round pans for thin, even layers that bake uniformly.
Can I substitute regular milk for buttermilk?
You can make a quick buttermilk substitute by adding 1 tablespoon vinegar or lemon juice to a cup of milk and letting it sit 5 minutes before using.
Is the hot coffee noticeable in the cake?
No, the coffee enhances the chocolate flavor without making the cake taste like coffee; it deepens the cocoa notes.
Can I make the frosting less sweet?
Yes, reduce the powdered sugar slightly or add a pinch of salt to balance sweetness while keeping smooth texture.
How do I fix a runny frosting?
Chill the frosting for 10–15 minutes and then re-whip, or add a little more powdered sugar to stiffen it.
Can I use Dutch-process cocoa instead of natural cocoa?
Yes, but if you switch, be mindful the leavening reaction can change slightly; you may need to adjust baking soda and powder balance in other recipes.
How long does the assembled cake last in the fridge?
Properly stored in the refrigerator, the assembled cake will keep 3–4 days.
Can I make this as cupcakes?
Yes, bake the same batter in lined cupcake pans; reduce baking time to 18–22 minutes.
Conclusion
For a reliable, richly flavored centerpiece, this Double Chocolate Cake with Buttercream Frosting balances a moist crumb with a smooth, spreadable frosting; for a closely related version and visual reference, see Pinch of Yum’s Double Chocolate Cake with Buttercream Frosting recipe.

Double Chocolate Cake
Ingredients
Method
- Preheat oven to 350°F.
- Grease three round baking pans.
- In a bowl, stir together sugar, flour, cocoa, baking powder, baking soda, and salt.
- Add eggs, buttermilk, melted butter, and vanilla; beat for 2 minutes.
- Stir in hot coffee.
- Pour batter into prepared pans.
- Bake for 30-35 minutes or until a toothpick comes out clean.
- Cool completely before frosting.
- Whip the butter on medium speed.
- Add cocoa powder slowly.
- Add powdered sugar and milk alternately until desired consistency is reached.
- Beat until fluffy, about 3-5 minutes.