Double Chocolate Banana Layer Cake Recipe

If you’ve been on the lookout for a dessert that brings together the irresistible charm of ripe bananas with the indulgent richness of chocolate, look no further. The Double Chocolate Banana Layer Cake Recipe is exactly what you need to satisfy those cravings with style. This cake is perfectly moist and beautifully layered, bringing a depth of flavor that combines the natural sweetness of bananas with the deep intensity of cocoa. Each bite is like a warm hug, making it an absolute showstopper for any cake occasion or a delightful treat just because.

Ingredients You’ll Need

This recipe shines because of its simple yet impeccably balanced ingredients, each playing a vital role in flavor, texture, and that perfect cake crumb moisture. You don’t need anything fancy, just a handful of pantry staples that come together to create magic.

  • Ripe bananas: Two ripe bananas, mashed to infuse natural sweetness and moisture.
  • All-purpose flour: 1 1/2 cups to build the cake’s tender crumb structure.
  • Unsweetened cocoa powder: 1/2 cup in the batter plus extra for the frosting, lending that deep chocolate flavor and rich color.
  • Baking powder and baking soda: (1 teaspoon and 1/2 teaspoon) for the perfectly risen layers with lightness.
  • Salt: 1/4 teaspoon in the batter and frosting to balance and enhance sweetness.
  • Unsalted butter: 1/2 cup for the cake and 1 cup for the frosting, adding richness and a velvety mouthfeel.
  • Granulated sugar: 1 cup to sweeten the cake and create that tender texture.
  • Eggs: Two large eggs to bind everything together and add structure.
  • Vanilla extract: 1 teaspoon in the cake and 2 teaspoons in the frosting to elevate all the flavors.
  • Buttermilk or regular milk: 1/2 cup to add acidity and moisture, keeping the cake soft.
  • Boiling water: 1/2 cup to thin the batter, enhancing the cake’s moistness.
  • Powdered sugar: 2 cups for frosting sweetness and smooth consistency.
  • Semisweet chocolate chips (optional): 1/2 cup melted into the frosting for an extra boost of chocolatey goodness.

How to Make Double Chocolate Banana Layer Cake Recipe

Step 1: Prepare Your Cake Layers

Start by preheating your oven to 350°F (175°C). Grease and flour two 8-inch round cake pans, or line them with parchment paper for easy removal. This prep ensures that your beautiful cake layers will come out perfectly intact.

Step 2: Combine Dry Ingredients

In a medium bowl, whisk together the flour, cocoa powder, baking powder, baking soda, and salt. Setting these aside now helps the ingredients blend evenly into the later wet mixture and ensures your cake bakes consistently.

Step 3: Cream Butter and Sugar

In a large bowl, beat the softened butter and granulated sugar together until light and fluffy — about 3 minutes. This step is crucial as it incorporates air, giving your cake that lovely tenderness and rise.

Step 4: Add Eggs, Bananas, and Vanilla

Beat the eggs in one at a time, mixing well after each addition. Next, stir in the mashed bananas and vanilla extract until combined. The bananas bring natural sweetness and moisture, enhancing the cake’s softness and flavor depth.

Step 5: Alternate Adding Dry Ingredients and Buttermilk

Gradually add the dry ingredient mix to your banana batter in three parts, alternating with the buttermilk. Begin and end with the dry ingredients, mixing just until combined after each addition. This method keeps the batter light and avoids overmixing, which can toughen the cake.

Step 6: Thin the Batter with Boiling Water

Stir in the boiling water carefully. The batter will be thin, but that’s exactly how you want it — this step ensures your cake will bake up moist and tender instead of dense.

Step 7: Bake the Cake

Divide the batter evenly between your prepared pans, smoothing the surfaces with a spatula. Bake in the preheated oven for 30-35 minutes or until a toothpick inserted in the center comes out clean. The aroma while baking alone will have you excited for the finished cake!

Step 8: Cool the Cakes

Allow the cakes to cool in their pans for about 10 minutes before transferring them to a wire rack to cool completely. This prevents cracking or breaking when you remove them and helps the layers firm up for frosting.

Step 9: Prepare the Chocolate Frosting

While the cakes cool, whip up your chocolate frosting. Beat the softened butter until creamy, then gradually add powdered sugar, cocoa powder, salt, and vanilla. Slowly mix in the milk just enough to achieve that smooth, spreadable consistency. If you want to take it over the top, gently fold in the melted semisweet chocolate chips for a decadently rich frosting.

Step 10: Assemble Your Cake

Place one cooled cake layer on your serving plate or cake stand. Spread a generous layer of frosting evenly on top. Add the second cake layer, then frost the top and sides to create a luscious, inviting finish.

How to Serve Double Chocolate Banana Layer Cake Recipe

Double Chocolate Banana Layer Cake Recipe - Recipe Image

Garnishes

Finish your cake with a sprinkle of chocolate shavings, a few banana slices, or even colorful sprinkles for a cheerful touch. These simple garnishes not only enhance the presentation but add delightful texture and bursts of flavor with each bite.

Side Dishes

Pair slices of this cake with a dollop of whipped cream or a scoop of vanilla ice cream to complement the richness. A fresh fruit salad also works wonderfully, adding lightness that balances the cake’s deep chocolate notes beautifully.

Creative Ways to Present

For a party, slice the cake into smaller squares for a bite-sized treat or use cupcake liners to serve individual portions. You might also dress up the plate with drizzled chocolate sauce or caramel for an extra elegant touch that will wow your guests.

Make Ahead and Storage

Storing Leftovers

Once frosted, the Double Chocolate Banana Layer Cake Recipe keeps best stored in an airtight container at room temperature for up to two days. If your kitchen is warm, refrigerating it wrapped tightly prevents drying out, though it’s best enjoyed fresh.

Freezing

This cake freezes beautifully! Wrap the cooled, unfrosted layers tightly in plastic wrap and then foil. Freeze for up to 3 months. Thaw at room temperature before frosting, so you maintain that fresh-from-the-oven texture and taste.

Reheating

If refrigerated, allow the cake to come to room temperature before serving to regain softness. Avoid microwaving frosted cake to prevent melting the frosting, but if unfrosted, warming a slice for 10-15 seconds can refresh the texture perfectly.

FAQs

Can I use regular milk instead of buttermilk?

Absolutely! Regular milk works fine, but adding a teaspoon of lemon juice or vinegar to your milk will mimic the acidity of buttermilk, which helps tenderize the cake and balance flavors.

What if I don’t have cocoa powder on hand?

You could try substituting with melted dark chocolate combined with a bit less flour, but this will alter the moisture and texture, so cocoa powder is highly recommended for the authentic double chocolate experience.

How ripe should the bananas be?

The riper the bananas, the better! Look for bananas with plenty of brown spots or even completely brown skins for maximum sweetness and moistness in your cake.

Can I make this gluten-free?

Yes! Use a 1-to-1 gluten-free baking flour blend that includes xanthan gum for best results, but be mindful that texture may vary slightly.

Is this cake suitable for freezing after frosting?

You can freeze the fully frosted cake, but be sure to freeze it uncovered for about an hour first to harden the frosting slightly, then wrap tightly to protect it from freezer burn. Thaw overnight in the refrigerator before serving.

Final Thoughts

There’s something truly special about the Double Chocolate Banana Layer Cake Recipe. It manages to combine comfort and elegance in one delightful package. Whether you’re celebrating or just craving a luscious slice to brighten your day, this cake promises to impress and satisfy. I can’t wait for you to bake it and share the joy of this moist, chocolatey wonder with your favorite people.

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Double Chocolate Banana Layer Cake Recipe

Double Chocolate Banana Layer Cake Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.8 from 89 reviews
  • Author: Kimberly
  • Prep Time: 20 minutes
  • Cook Time: 35 minutes
  • Total Time: 55 minutes
  • Yield: 1 (8-inch) layered cake, about 8-10 slices
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

This Double Chocolate Banana Layer Cake combines the moist, sweet flavor of ripe bananas with rich cocoa for a decadent dessert experience. Featuring two layers of chocolate banana cake, frosted with a creamy, smooth chocolate buttercream, this recipe is perfect for celebrations or anytime indulgence.


Ingredients

Banana Cake

  • 2 ripe bananas, mashed
  • 1 1/2 cups all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1/2 cup buttermilk (or regular milk)
  • 1/2 cup boiling water

Chocolate Frosting

  • 1 cup unsalted butter, softened
  • 2 cups powdered sugar
  • 1/2 cup unsweetened cocoa powder
  • 1/4 teaspoon salt
  • 2 teaspoons vanilla extract
  • 23 tablespoons milk (more if needed to adjust consistency)
  • 1/2 cup semisweet chocolate chips, melted (optional)


Instructions

  1. Prepare the Cake Layers: Preheat your oven to 350°F (175°C). Grease and flour two 8-inch round cake pans or line them with parchment paper to prevent sticking.
  2. Mix Dry Ingredients: In a medium bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking powder, baking soda, and salt. Set aside for later.
  3. Cream Butter and Sugar: In a large bowl, use a mixer to cream the softened butter and granulated sugar until the mixture is light and fluffy, which usually takes about 3 minutes.
  4. Add Eggs and Flavorings: Incorporate the eggs into the creamed butter and sugar one at a time, beating well after each addition. Then stir in mashed bananas and vanilla extract until uniform throughout.
  5. Combine Dry and Wet Ingredients: Add the dry ingredients to the banana mixture gradually in three parts, alternating with the buttermilk. Begin and end with the dry ingredients. Mix gently after each addition until just combined.
  6. Thin the Batter: Stir in the boiling water last to thin the batter. The batter will be thin, which helps ensure a moist cake.
  7. Divide and Bake: Evenly divide the batter between the two prepared cake pans. Place in the oven and bake for 30-35 minutes or until a toothpick inserted in the center comes out clean.
  8. Cool the Cakes: Allow the cakes to cool in the pans for about 10 minutes before transferring to a wire rack to cool completely.
  9. Prepare the Frosting: While the cakes are cooling, beat the softened butter in a medium bowl until creamy.
  10. Add Frosting Ingredients: Mix in powdered sugar, unsweetened cocoa powder, salt, and vanilla extract until well combined.
  11. Adjust Frosting Consistency: Slowly add milk one tablespoon at a time until the frosting is smooth and spreadable. Optionally, fold in melted semisweet chocolate for an extra rich flavor.
  12. Assemble the Cake: Place one cooled cake layer on a serving plate, spread a generous amount of frosting on top.
  13. Add Second Layer and Frost: Place the second cake layer over the first and frost the top and sides with the remaining chocolate frosting.
  14. Garnish and Serve: Optionally decorate with chocolate shavings, banana slices, or sprinkles for a festive look.
  15. Enjoy: Slice the cake into 8-10 pieces and enjoy the rich, moist double chocolate banana flavor!

Notes

  • Use very ripe bananas for the best flavor and sweetness.
  • Buttermilk adds tenderness but can be substituted with regular milk mixed with a teaspoon of vinegar or lemon juice.
  • Boiling water in the batter helps to bloom the cocoa powder and ensures a moist cake.
  • Make sure cakes are completely cool before frosting to avoid melting the frosting.
  • For a dairy-free option, substitute butter and milk with plant-based alternatives.
  • The optional melted chocolate in frosting increases richness but can be omitted for a lighter taste.

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