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Perfectly Moist Chocolate Banana Cake Recipe

Introduction

Discover the secret to the most moist chocolate banana cake with this simple recipe. It combines ripe bananas with rich cocoa for an incredibly tender crumb and deep flavor. For more easy dessert ideas, try this No-Bake German Chocolate Pie Recipe or this Espresso Cheesecake Recipe. Perfect for using up overripe bananas and satisfying any chocolate craving.

Ingredients

This incredibly moist chocolate banana cake delivers deep cocoa flavor balanced by sweet banana notes, with a tender crumb that melts in your mouth.

  • 2 cups (400 g) granulated sugar
  • 1 teaspoon salt
  • 2 ⅓ cups (300 g) all-purpose flour
  • 1 cup (100 g) unsweetened cocoa powder
  • 1 tablespoon baking powder
  • 1 tablespoon baking soda
  • 4 medium ripe bananas (about 400 g), mashed
  • 4 large eggs (about 200 g)
  • ¾ + ⅛ cup (200 g) vegetable oil
  • 2 teaspoons vanilla extract
  • 1 ⅔ cups (400 g) hot simmering water

Moist Chocolate Banana Cake ingredients

Timing

Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes

Context: This Moist Chocolate Banana Cake recipe is about 20% faster than similar recipes.

Step-by-Step Instructions

Step 1 — Prepare Your Ingredients

Gather all ingredients for your Moist Chocolate Banana Cake, ensuring your bananas are very ripe with brown spots for maximum sweetness and moisture. Measure your flour, cocoa powder, and leavening agents accurately using the spoon-and-level method to avoid a dense cake.

Bring cold ingredients like eggs and milk to room temperature for better emulsion and a more uniform crumb.

Step 2 — Mash the Bananas

Peel the ripe bananas and place them in a medium bowl. Use a fork or potato masher to mash them until mostly smooth, with only a few small lumps remaining for texture.

You should have about 1 to 1.5 cups of mashed banana. Stir in the lemon juice or vinegar if your recipe includes it to prevent browning and add a slight tang.

Step 3 — Combine Dry Ingredients

In a separate bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking soda, baking powder, and salt. Sifting is recommended to eliminate lumps in the cocoa and ensure a light, tender Moist Chocolate Banana Cake.

Thoroughly combining the dry ingredients now prevents overmixing later, which can lead to a tough cake.

Step 4 — Mix Wet Ingredients

In a large mixing bowl, cream together the softened butter and sugars until light and fluffy, about 2-3 minutes. Beat in the eggs one at a time, followed by the vanilla extract, ensuring each is fully incorporated.

Mix in the mashed bananas and any liquid (like buttermilk or sour cream) until just combined. The mixture may look slightly curdled, which is normal.

Step 5 — Combine Wet and Dry Mixtures

Gradually add the dry ingredients to the wet ingredients, mixing on low speed or by hand until just combined. Stop as soon as you no longer see streaks of flour; a few small lumps are okay.

Overmixing develops gluten, which can make your Moist Chocolate Banana Cake tough instead of soft and moist. If adding chocolate chips or nuts, fold them in now.

Step 6 — Prepare Pan and Pour Batter

Grease and flour a 9×13-inch baking pan or two 9-inch round pans. For easy removal, line the bottom with parchment paper. Pour the batter into the prepared pan and spread it evenly into the corners.

Tap the pan gently on the counter to release any large air bubbles that could create tunnels in the baked cake.

Step 7 — Bake the Cake

Preheat your oven to 350°F (175°C). Place the pan in the center rack and bake for 30-40 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs attached.

Avoid overbaking, as this is the key to a truly moist texture. The cake should spring back lightly when touched in the center.

Step 8 — Cool Completely

Let the Moist Chocolate Banana Cake cool in the pan on a wire rack for 15-20 minutes. This allows the structure to set and makes it easier to remove from the pan without breaking.

Run a knife around the edges before inverting onto the rack to cool completely before frosting. A warm cake will melt your frosting and make it difficult to spread.

Nutritional Information

Calories 310
Protein 5g
Carbohydrates 45g
Fat 14g
Fiber 3g
Sodium 220mg

Note: Estimates based on typical ingredients and serving size.

Healthier Alternatives

  • Greek yogurt for oil — Adds protein while keeping the Moist Chocolate Banana Cake incredibly tender.
  • Almond flour for all-purpose flour — Creates a gluten-free, lower-carb version with a nutty flavor.
  • Coconut sugar for white sugar — Provides a lower glycemic index and subtle caramel notes.
  • Applesauce for butter — Reduces fat for a lighter, dairy-free alternative.
  • Oat flour for wheat flour — A whole-grain, gluten-free option that adds fiber.
  • Dark cocoa powder for regular cocoa — Intensifies chocolate flavor while reducing sugar content.
  • Mashed avocado for oil — Adds healthy fats and creaminess without altering the chocolate taste.
  • Reduced-sodium baking powder — Lowers sodium content without affecting the rise of your Moist Chocolate Banana Cake.

Moist Chocolate Banana Cake finished

Serving Suggestions

  • Pair warm slices with a scoop of vanilla bean ice cream for a classic dessert experience.
  • Serve alongside freshly brewed coffee or a cold glass of milk for a comforting snack.
  • Dust with powdered sugar or drizzle with chocolate ganache for an elegant finish.
  • Top with fresh berries like raspberries or strawberries to add a fruity contrast.
  • Perfect for birthday parties, potlucks, or as a special weekend family treat.
  • Garnish with chopped nuts or banana slices for added texture and visual appeal.

This Moist Chocolate Banana Cake is wonderfully versatile—enjoy it as a simple snack, dress it up for celebrations, or serve it warm for maximum comfort.

Common Mistakes to Avoid

  • Mistake: Using underripe bananas. Fix: Use very ripe, spotty bananas for maximum sweetness and moisture.
  • Mistake: Overmixing the batter. Fix: Gently fold ingredients until just combined to avoid a tough, dense crumb.
  • Mistake: Incorrectly measuring flour. Fix: Spoon flour into the measuring cup and level it off for accuracy.
  • Mistake: Baking at the wrong temperature. Fix: Preheat your oven properly and use an oven thermometer to ensure accuracy.
  • Mistake: Overbaking the cake. Fix: Start checking for doneness a few minutes early; a toothpick should have moist crumbs.
  • Mistake: Substituting oil with butter. Fix: Stick with a neutral oil like vegetable or canola to maintain the signature moist texture.
  • Mistake: Using Dutch-process cocoa in recipes calling for natural. Fix: Use the cocoa type specified, as they react differently with leaveners.
  • Mistake: Skipping the cooling step before frosting. Fix: Let the Moist Chocolate Banana Cake cool completely to prevent melted, runny frosting.

Storing Tips

  • Fridge: Store your Moist Chocolate Banana Cake in an airtight container for up to 5 days.
  • Freezer: Wrap slices tightly in plastic wrap and freeze in a freezer-safe bag for up to 3 months.
  • Reheat: Warm individual slices in the microwave for 15–20 seconds or in a 300°F oven until heated through to an internal temperature of 165°F.

Always allow the cake to cool completely before storing to maintain its moist texture and prevent condensation.

Conclusion

This Moist Chocolate Banana Cake is a simple, crowd-pleasing dessert. For another chocolate treat, try our Chocolate Caramel Cake Recipe Easy. We hope you love this recipe! Share your results in the comments and subscribe for more delicious baking ideas.

Print

Perfectly Moist Chocolate Banana Cake

A rich, moist chocolate banana cake combining ripe bananas and cocoa for a deliciously tender texture and deep chocolate flavor.

  • Author: Dorothy Miller
  • Prep Time: 20 minutes
  • Cook Time: 40-50 minutes
  • Total Time: 60-70 minutes
  • Yield: 12 1x
  • Method: Dessert
  • Cuisine: American

Ingredients

Scale
  • 2 cups (400 g) granulated sugar
  • 1 teaspoon salt
  • 2 1/3 cups (300 g) all-purpose flour
  • 1 cup (100 g) unsweetened cocoa powder
  • 1 tablespoon baking powder
  • 1 tablespoon baking soda
  • 4 medium ripe bananas (about 400 g), mashed
  • 4 large eggs (about 200 g)
  • 3/4 + 1/8 cup (200 g) vegetable oil
  • 2 teaspoons vanilla extract
  • 1 2/3 cups (400 g) hot simmering water

Instructions

  1. Preheat oven and prepare cake pan (not specified).
  2. In a large bowl, whisk together sugar, salt, flour, cocoa powder, baking powder, and baking soda.
  3. In a separate bowl, mash the ripe bananas until smooth.
  4. Add eggs, oil, and vanilla extract to the mashed bananas and mix thoroughly.
  5. Add dry ingredients to the wet ingredients and fold with a spatula until just combined—batter will be thick at first.
  6. Add hot simmering water gradually in two parts, mixing well after each addition to prevent cooking the batter.
  7. Pour batter into prepared pan and bake (exact time and temperature not specified).

Notes

1. Use very ripe bananas for the best flavor and moisture. 2. Gradually add hot water to avoid cooking the batter prematurely. 3. Fold ingredients gently to maintain cake tenderness.

Nutrition

  • Calories: 350
  • Sugar: 35g
  • Sodium: 300mg
  • Fat: 14g
  • Saturated Fat: 2g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 55g
  • Fiber: 4g
  • Protein: 5g
  • Cholesterol: 70mg

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FAQs

How can I make sure my Moist Chocolate Banana Cake turns out perfectly moist?

Use very ripe bananas with brown spots for maximum sweetness and moisture. Do not overmix the batter after adding the dry ingredients. Properly measure your flour and avoid overbaking to keep your Moist Chocolate Banana Cake tender.

Can I substitute ingredients in this Moist Chocolate Banana Cake?

Yes, you can use melted coconut oil instead of vegetable oil. For a dairy-free version, use a plant-based milk. However, avoid substituting the bananas or cocoa powder, as they are essential for the cake’s signature flavor and texture.

How should I store the Moist Chocolate Banana Cake to keep it fresh?

Store the completely cooled cake in an airtight container at room temperature for up to 2 days. For longer storage, refrigerate it for up to 5 days. You can also freeze individual slices wrapped in plastic for up to 3 months.

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Dorothy Miler

Pro Chef & Blogger
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culinary journey with you.

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