This Double Chocolate Banana Cake is rich, moist, and irresistibly chocolatey, making it the ultimate treat for chocolate and banana lovers. Easy to make at home with simple ingredients, it’s perfect for birthdays, cosy afternoons, or any time you need a chocolate fix.
Why you will love this recipe?
This recipe will be loved because it combines the natural sweetness of ripe bananas with the deep flavour of chocolate, creating a perfectly balanced and moist cake. The espresso adds a subtle depth, while the creamy chocolate frosting with a touch of cream cheese makes every bite indulgent without being overly heavy.
Expert Tips for Best Results!
- Use Room Temperature Ingredients – Egg and yogurt/sour cream should be at room temperature. This helps everything blend smoothly and creates an even crumb.
- Check for Moist Crumbs, Not Dry – For a fudgy, moist chocolate banana cake, remove it from the oven when a toothpick comes out with a few moist crumbs. Overbaking can dry out the cake.
- Use Overripe Bananas for Maximum Flavour – The darker and spottier the banana, the better. Overripe bananas add natural sweetness, moisture, and a deeper banana flavour that perfectly balances the rich chocolate taste.
- Don’t Overwhip the Frosting – Whisk just until slightly fluffy. Overwhipping can cause the cream to separate and become grainy.
- Espresso Enhances Chocolate Flavour – The espresso or instant coffee does not make the cake taste like coffee. Instead, it intensifies the chocolate flavour and makes the cake taste richer and more decadent.
How to make Double Chocolate Banana Cake?
Step 1: Preheat the Oven and Prepare the Pan
Begin by preheating your oven to 175°C (350°F). Grease a 6-inch round cake pan thoroughly and line the bottom with parchment paper. Proper preparation ensures the cake releases easily and maintains its shape.
Step 2: Sift and Combine Dry Ingredients
In a medium bowl, sift together the all-purpose flour, unsweetened cocoa powder, baking soda, and salt. Mix well and set aside. Sifting ensures there are no lumps and gives the cake a light, even texture.
Step 3: Mix the Wet Ingredients
In a separate large bowl, mash the ripe banana until smooth. Add the egg, oil, white sugar, brown sugar, sour cream (or yogurt), and vanilla extract. Whisk everything together until fully combined and smooth.
Step 4: Combine Wet and Dry Ingredients
Gradually add the dry ingredients to the wet mixture. Gently whisk until just combined. Avoid overmixing to keep the cake tender and soft.
Step 5: Add the Espresso or Coffee
In a small bowl, dissolve 1 teaspoon of instant coffee powder in 1 tablespoon of hot water. Stir this coffee mixture into the batter to enhance the chocolate flavour without overpowering the banana. Mix gently until fully incorporated.
Step 6: Bake the Cake
Pour the batter evenly into the prepared cake pan. Smooth the top with a spatula and place it in the preheated oven. Bake for 25 to 30 minutes, or until a toothpick inserted into the centre comes out with a few moist crumbs or clean. Baking slightly less will give a softer, moister texture, while a few extra minutes will make it firmer.
Step 7: Cool the Cake
Once baked, allow the cake to cool in the pan for 10–15 minutes. Carefully transfer it to a wire rack to cool completely. This prevents condensation from making the cake soggy.
Step 8: Prepare the Chocolate Ganache Frosting
Place the chopped dark chocolate in a heatproof bowl. Heat the heavy cream until hot but not boiling, then pour it over the chocolate. Let it sit for a minute to melt the chocolate, then stir until smooth and fully combined.
Step 9: Incorporate the Cream Cheese
Add 1–2 tablespoons of cream cheese to the ganache and mix until smooth. Cover the bowl with cling wrap and chill in the fridge for 15–25 minutes, depending on your desired frosting consistency. Once chilled, whisk lightly to make it fluffy but do not over whisk.
Step 10: Frost the Cake
Once the cake has cooled completely, spread the frosting evenly over the top. The rich, chocolatey frosting complements the moist, chocolate-banana cake perfectly. Slice and enjoy!
Frequently Asked Questions
Can I make this double chocolate banana cake without espresso?
Yes, you can skip the espresso. However, adding coffee enhances the chocolate flavour without making the cake taste like coffee.
Why is my cake dry?
This usually happens from overbaking or adding too much flour. Measure carefully and check the cake a few minutes before the suggested baking time.
Can I freeze this chocolate banana cake?
Yes, freeze the unfrosted cake wrapped tightly for up to 2 months. Thaw at room temperature before adding frosting.
Can I make this cake ahead of time?
Yes. You can bake the cake a day in advance and store it covered at room temperature. Frost just before serving for best results.
Can I make it without cream cheese in the frosting?
Yes, you can skip the cream cheese for a simple chocolate ganache frosting. The cream cheese adds slight tang and stability but is optional.
Watch How to Make it!
Press play to see this recipe step by step. And don’t forget to subscribe for more baking videos!
Recipe Card
Double Chocolate Banana Cake
A rich, moist double chocolate banana cake with a fudgy texture and deep chocolate flavour. Topped with creamy chocolate ganache frosting, this small-batch cake is perfect for dessert or special treats.
Ingredients
- 1 large ripe mashed banana, or (1 and 1/2 medium sized)
- 1 large egg
- 1/4 cup oil (60ml)
- 1/4 cup white sugar (50g)
- 3 & 1/2 tbsp soft brown sugar (42g)
- 1/2 tsp vanilla extract
- 2/3 cup all-purpose flour (78g)
- 1/4 cup unsweetened sifted cocoa powder (24g)
- .1 & 1/2 tbsp full fat yogurt / sour cream
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1 shot of espresso (I used espresso machine from @solis_benelux)
For Frosting:
- 1/4 cup heavy cream (62g)
- 55–60g chopped dark chocolate
- 1–2 tablespoons cream cheese (15–30g)
Instructions
- Preheat your oven to 175°C (350°F). Grease a 6-inch round cake pan and line the bottom with parchment paper.
- In a bowl, sift together ⅔ cup flour, ¼ cup cocoa powder, ½ teaspoon baking soda, and ¼ teaspoon salt. Set aside.
- In a separate bowl, mash 1 large ripe banana. Add 1 egg, ¼ cup oil, ¼ cup white sugar, 3½ tbsp brown sugar, 1½ tbsp yogurt or sour cream, and ½ tsp vanilla extract. Whisk until smooth.
- Gently fold the dry ingredients into the wet mixture until just combined. Avoid overmixing to keep the cake tender.
- Dissolve 1 tsp instant coffee powder in 1 tbsp hot water. Stir this into the batter to enhance the chocolate flavour.
- Pour the batter into the prepared pan and smooth the top. Bake for 25–30 minutes, or until a toothpick inserted in the centre comes out with a few moist crumbs.
- Let the cake cool in the pan for 10–15 minutes, then transfer to a wire rack to cool completely.
- Place 55–60 g chopped dark chocolate in a heatproof bowl. Heat ¼ cup heavy cream until hot, then pour over the chocolate. Let sit 1 minute, then stir until smooth.
- Add 1–2 tbsp cream cheese and mix until incorporated. Cover and chill for 15–25 minutes. Whisk lightly before frosting to achieve a fluffy texture.
- Spread the frosting evenly over the cooled cake. Slice and enjoy your rich, chocolatey banana cake!
Notes
- I used espresso machine fromsolis_benelux
If you like Cake recipes like these, you should definitely check out my:
1) Dark Chocolate Ganache Cake
2) Eggless Molten Choco Lava Cake
