Decadent Sour Cream Banana Cake

Prepare to fall in love with your new favorite dessert: this extraordinarily moist and tender Sour Cream Banana Cake, crowned with a rich, tangy cream cheese frosting. This isn’t just any banana cake; it’s a sublime creation, perfected to transform your ripe bananas into an unforgettable culinary experience.

My journey to this perfect recipe began on a charming antebellum plantation nestled along the scenic Ohio River. The autumn afternoon was delightful, complete with a spectacular Southern lunch that culminated in a dessert so divine, every plate was licked clean. That scrumptious banana cake left such an impression that I knew I had to recreate its magic at home. It was a revelation to discover such historical treasures, and equally delightful to find a caterer so generous with her culinary secrets. This tender and flavorful Easy Banana Cake was so irresistible, resisting a second slice proved nearly impossible.

A beautifully frosted slice of Sour Cream Banana Cake on a square ceramic plate, ready to be enjoyed.

Why This Sour Cream Banana Cake is a Must-Bake

If you’re searching for an exceptional way to utilize those perfectly ripe bananas sitting on your counter, look no further. This Sour Cream Banana Cake recipe offers numerous compelling reasons to become your new kitchen staple. It’s more than just a cake; it’s a baking experience that yields truly spectacular results.

  • Unmatched Flavor and Texture: While the hardest part might be patiently waiting for your bananas to reach optimal ripeness, the incredible depth of banana flavor and the cake’s tender, moist crumb are well worth every moment of anticipation. This cake delivers a taste and texture experience far beyond ordinary banana desserts, proving that ripe bananas truly shine in a cake format.
  • A Delightful Alternative to Banana Bread: For those who frequently turn overripe bananas into banana bread, this cake offers a sophisticated and equally satisfying alternative. It’s lighter, more celebratory, and undeniably a showstopper, making it perfect for special occasions or simply elevating an everyday treat. If you’re looking to switch things up from your usual loaf, this moist banana cake is your answer.
  • Master the Art of Ripe Bananas: Don’t have perfectly speckled bananas? No problem! This recipe includes a brilliant hack for quickly ripening yellow bananas in the oven. This means you can enjoy this delicious cake whenever the craving strikes, without the long wait. We’ll delve into this genius technique further below, ensuring you always have the ideal fruit for baking.
  • The Allure of Cream Cheese Frosting: If you, like me, believe that cream cheese frosting makes everything better, then this cake is your perfect excuse. The rich, tangy, and incredibly smooth frosting is the ideal counterpoint to the sweet banana cake, creating a harmonious blend of flavors that is utterly irresistible. It’s a match made in dessert heaven!
  • A Crowd-Pleasing Dessert: Whether you’re baking for family, friends, or a potluck, this banana cake consistently receives rave reviews. Its comforting flavors combined with an elegant presentation ensure it’s always a hit, leaving everyone asking for the recipe. It’s truly an easy banana cake recipe that delivers on taste and appeal.
A fork lifts a generous bite of Sour Cream Banana Cake, revealing the soft, moist interior and creamy frosting.

Expert Baking Tips for the Perfect Sour Cream Banana Cake

Creating this glorious Sour Cream Banana Cake is a straightforward process, but a few expert tips can elevate your baking from good to absolutely phenomenal. Pay close attention to these details to ensure your cake turns out perfectly moist, tender, and flavorful every single time. These baking secrets will make all the difference.

  • The Gold Standard for Bananas: The secret to an intensely flavored banana cake lies in using the right bananas. Look for bananas that have gone beyond solid yellow, displaying numerous brown speckles and spots on their skins. These bananas are naturally sweeter and possess a more concentrated banana flavor due to their increased sugar content as the starches convert to sugars. While they shouldn’t be completely black and mushy, a good amount of browning indicates peak ripeness for baking.
  • Speed-Ripening Yellow Bananas: If your bananas are stubbornly yellow and you can’t wait for nature to take its course, roasting them in the oven is a fantastic shortcut. This process not only softens the fruit but also caramelizes their natural sugars, intensifying their flavor profile for your baked goods. This method is a game-changer for spontaneous baking urges.
  • How to Quickly Ripen Bananas in the Oven:
    1. Preheat your oven to 300ºF (150ºC).
    2. Line a baking sheet with parchment paper to prevent sticking.
    3. Place unpeeled yellow bananas directly on the prepared baking sheet.
    4. Roast for 30-40 minutes, flipping them halfway through, until their skins are completely dark or black. This transformation shows the sugars are developing.
    5. Allow the roasted bananas to cool completely before peeling and mashing them for your recipe. They will be incredibly soft and sweet, ideal for this moist banana cake.
  • Enhancing the Cake’s Flavor and Texture:
    • Consider adding some texture and nutty flavor to your cake by folding in a handful of roasted chopped walnuts or pecans into the batter. The nuts provide a delightful contrast to the soft cake.
    • For an extra touch of indulgence, sprinkle chopped nuts or toasted coconut flakes over the cream cheese frosting just before serving. This adds visual appeal and another layer of flavor.
  • Pan Size Matters for Baking Uniformity: This recipe is typically designed for a 12 x 17-inch jelly roll pan, which yields a thinner cake layer and ensures even baking and a quicker cook time. If you’re using a smaller pan, such as a 10 x 15-inch jelly roll pan, you might have excess batter. This is perfectly fine – you can use the extra batter to make a few delicious banana cupcakes! Just remember to adjust your baking time; smaller pans and thicker cakes will require longer baking. Always check for doneness frequently, as baking times vary considerably.
  • Do Not Overmix the Batter: When incorporating the dry ingredients into the wet, mix just until combined. Overmixing develops the gluten in the flour too much, which can lead to a tough, dense cake rather than the desired tender crumb. Use a hand mixer on low speed or even a spatula for this final mixing step to ensure a light and airy result.
  • Storing Overripe Bananas for Future Baking: Never let overripe bananas go to waste! Peel them, then place them in a freezer-safe Ziploc bag, squeezing out as much air as possible to prevent freezer burn. Store them in the freezer until you’re ready to bake a delicious Sour Cream Banana Cake, banana bread, or muffins. Simply defrost them at room temperature or gently in the microwave before using. Properly frozen bananas can maintain their quality for several months, making them a pantry staple for any baker.
  • The Importance of Room Temperature Ingredients: Ensure your butter, cream cheese (for frosting), eggs, and sour cream are at room temperature. This allows them to emulsify and cream together more effectively, creating a smoother, more uniform batter or frosting that traps air better. This results in a lighter, more tender cake texture and a silky-smooth frosting. Cold ingredients can lead to a lumpy batter and a denser cake.
An overhead shot of a delightful slice of Sour Cream Banana Cake on a white plate, highlighting the rich frosting.

How to Master Making This Delicious Sour Cream Banana Cake

Follow these detailed steps to create your magnificent Sour Cream Banana Cake. Remember, precision and gentle handling are key to achieving that perfect texture and flavor profile.

  1. Prepare for Baking: Begin by preheating your oven to the specified temperature (350°F / 175°C). Then, prepare your baking pan: generously grease and flour a 15 x 10-inch jelly roll pan, or line it completely with parchment paper for effortless cake removal. This crucial first step ensures your cake won’t stick and bakes evenly.
  2. Cream the Wet Ingredients: In a large mixing bowl, combine the softened unsalted butter and granulated sugar. Using a hand mixer, beat them together on medium speed until the mixture is light, fluffy, and pale in color, typically for 2-3 minutes. This creaming process is vital for incorporating air, which contributes significantly to the cake’s tender crumb. Next, beat in the eggs one at a time, ensuring each is fully incorporated before adding the next. Finally, mix in the room-temperature sour cream and pure vanilla extract until just combined. Remember to scrape down the sides of the bowl frequently to ensure everything is evenly mixed.
  3. Combine Dry and Wet Ingredients: In a separate, medium-sized bowl, whisk together your dry ingredients: the all-purpose flour, baking soda, and salt. This ensures they are evenly distributed. Gradually add this flour mixture to the creamed wet ingredients, mixing on low speed or by hand with a spatula just until the dry ingredients are fully incorporated and no streaks of flour remain. PRO-Tip: Avoid overmixing at all costs! Over-activating the gluten in the flour will result in a tough, chewy cake instead of the desired soft, tender one. Finish by gently stirring in the mashed ripe bananas until they are evenly distributed throughout the batter.
  4. Fill the Pan and Bake: Pour the luscious batter evenly into your prepared baking pan, spreading it smoothly with an offset spatula to ensure a uniform thickness. This promotes even baking. Bake in the preheated oven for 20-25 minutes, or until a wooden toothpick inserted into the very center of the cake comes out clean. PRO-Tip: Keep a close eye on the cake towards the end of the baking time and avoid overbaking, as this is the quickest way to end up with a dry cake. The edges should be lightly golden.
  5. Cooling is Key: Once baked, remove the cake from the oven and let it cool in the pan on a wire rack for about 10-15 minutes. This allows the cake to set slightly. After this initial cooling, carefully invert the cake onto the wire rack to cool completely. It is absolutely essential that the cake is at room temperature before you attempt to frost it; otherwise, your beautiful cream cheese frosting will melt and slide off.
  6. Whip Up the Cream Cheese Frosting: While the cake cools, prepare your irresistible cream cheese frosting. In a medium bowl, beat together the softened cream cheese, softened butter, and pure vanilla extract with a hand mixer until the mixture is incredibly smooth and fluffy. Gradually add the sifted powdered sugar, beating on low speed until it is fully incorporated. Then, increase the speed to medium-high and beat until the frosting is light, creamy, and wonderfully spreadable. PRO-Tip: Sifting the powdered sugar beforehand is crucial; it prevents lumps and ensures a perfectly smooth, silky frosting every time. You can adjust the consistency with a bit more powdered sugar if you prefer a thicker frosting.
  7. Frost and Chill: Once the cake is completely cool, generously spread the creamy layer of cream cheese frosting evenly over the top using an offset spatula. Given its cream cheese content, this cake should be stored in an airtight container in the refrigerator to maintain its freshness, flavor, and texture.
  8. Serve at Perfection: To enjoy this magnificent moist banana cake at its absolute best, remove it from the refrigerator about 30 minutes before serving. Allowing it to come closer to room temperature softens both the cake and the frosting, making the frosting creamier and the cake even more tender, moist, and flavorful. This simple step truly enhances the eating experience.

Frequently Asked Questions About Sour Cream Banana Cake

What’s the Difference Between Banana Cake and Banana Bread?

While both banana cake and banana bread expertly utilize ripe bananas, their preparation methods and resulting textures are distinctly different. Banana cake, such as this delicious Sour Cream Banana Cake, is typically mixed using the creaming method – butter and sugar are beaten until light and fluffy, then eggs are added, followed by dry and wet ingredients. This method incorporates a significant amount of air, resulting in a soft, airy, and truly cake-like crumb, making it an ideal dessert. Banana bread, on the other hand, is generally categorized as a quick bread, made by combining wet and dry ingredients separately before mixing them together just until combined. It tends to be denser, firmer, and possesses a more robust, sometimes slightly chewier texture, making it perfect for breakfast, snacks, or toasting.

How Do You Make a Moist Banana Cake?

Achieving an incredibly moist banana cake involves several key factors that work in harmony. First, using very ripe bananas is crucial, as they contribute natural moisture and an intense depth of flavor. Second, incorporating high-fat, acidic ingredients like sour cream, as featured in this recipe, adds significant richness and moisture. The fat enriches the cake, while the acidity helps to tenderize the crumb by breaking down gluten. Additionally, fats like butter and sour cream keep the cake from drying out. Finally, and perhaps most importantly, avoid overbaking. An overbaked cake will inevitably be dry, regardless of the ingredients. Keep a close watch on your oven, and test for doneness with a wooden toothpick; remove the cake as soon as it comes out clean.

What Does Adding Sour Cream Do For a Cake?

Sour cream is a secret weapon in many baking recipes, especially for cakes, and it’s key to this moist banana cake! Its high fat content contributes significantly to a cake’s moisture, richness, and overall tender texture. Beyond just moisture, the acidity in sour cream plays a vital role. It reacts with baking soda to help the cake rise, creating a lighter structure, and it also helps to break down gluten bonds in the flour. This process results in a remarkably tender and finer crumb, giving the cake a melt-in-your-mouth quality. This powerful combination of fat and acid makes sour cream an indispensable ingredient for truly exceptional and tender cakes.

Can I use frozen bananas for this recipe?

Absolutely! Frozen ripe bananas are perfectly suitable for this Sour Cream Banana Cake recipe and are a fantastic way to prevent food waste. Simply thaw them at room temperature for several hours or gently in the microwave until they are soft and mushy. Note that thawed bananas might release more liquid; you can drain off any significant excess, though a little extra moisture from the bananas won’t harm the cake. Once thawed, proceed with mashing them as directed in the recipe.

How long does Sour Cream Banana Cake last and how should I store it?

Due to its luscious cream cheese frosting, this cake requires refrigeration to maintain its freshness and ensure food safety. Store any leftover Sour Cream Banana Cake in an airtight container in the refrigerator, where it will stay fresh and delicious for about 3-5 days. For optimal flavor and texture, always remember to bring slices to room temperature for approximately 30 minutes before serving. This allows both the cake and frosting to soften, enhancing their creamy and tender qualities.

You May Also Love These Delicious Dessert Recipes:

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  • Irresistible Sour Cream Pound Cake Recipe
  • Explore more of my Best Cake Recipes for every celebration
  • Discover additional Best Desserts for every sweet craving
  • Got more ripe bananas? Try this fantastic Banana Bread recipe from The House of Nash Eats

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Sour Cream Banana Cake on a round white plate with a red handled fork, inviting a taste.

The Recipe:

Sour Cream Banana Cake

Prep Time
20 minutes
Cook Time
25 minutes
Total Time
45 minutes
Yield
24 servings

Experience pure bliss with this tender, moist banana cake generously iced with a rich, velvety cream cheese frosting.

Ingredients

For the Cake:

  • ½ cup (1 stick) unsalted butter, at room temperature
  • 1 ½ cups granulated sugar
  • 2 large eggs, at room temperature
  • 1 cup full-fat sour cream, at room temperature
  • 1 teaspoon pure vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • ¼ teaspoon salt
  • 2-3 ripe bananas, mashed (should yield about 1 cup)

For the Cream Cheese Frosting:

  • 8 ounces cream cheese, softened at room temperature
  • ½ cup (1 stick) unsalted butter, softened at room temperature
  • 2 teaspoons pure vanilla extract
  • 3¾ to 4 cups powdered sugar, sifted (add more for thicker frosting)

Instructions

  1. Prepare Oven and Pan: Preheat your oven to 350°F (175°C). Lightly spray a 15 x 10-inch jelly roll pan with non-stick cooking spray and set aside. Alternatively, line with parchment paper for easy removal.
  2. Cream Butter and Sugar: In a large bowl, using a hand mixer on medium speed, cream together the softened butter and granulated sugar until the mixture is light, pale, and fluffy, about 2-3 minutes.
  3. Add Wet Ingredients: Beat in the eggs one at a time, ensuring each is fully incorporated. Then, add the sour cream and vanilla extract, mixing until just combined. Scrape down the sides of the bowl as needed to ensure even mixing.
  4. Combine Dry Ingredients: In a separate medium bowl, whisk together the flour, baking soda, and salt until well combined.
  5. Integrate Dry and Wet: Gradually add the dry flour mixture to the wet ingredients, mixing on low speed until just barely combined. Be careful not to overmix; overmixing can lead to a tough cake.
  6. Fold in Bananas: Gently fold in the mashed ripe bananas with a spatula until evenly distributed throughout the batter.
  7. Bake the Cake: Spread the batter evenly into the prepared 15 x 10-inch baking pan. Bake for 20-25 minutes, or until a wooden toothpick inserted into the center of the cake comes out clean. Avoid overbaking.
  8. Cool Completely: Remove the cake from the oven and place the pan on a wire rack to cool completely. It’s essential that the cake is entirely cool before frosting.
  9. Prepare Frosting: While the cake cools, make the frosting. In a medium bowl, beat the softened cream cheese, softened butter, and vanilla extract with a hand mixer until smooth and fluffy.
  10. Add Powdered Sugar: Gradually add the sifted powdered sugar, beating on low speed until fully incorporated. Then, increase speed to medium-high and beat until the frosting is light, creamy, and spreadable. Adjust consistency with more powdered sugar if needed.
  11. Frost and Serve: Once the cake is completely cool, spread the cream cheese frosting evenly over the top using an offset spatula. Slice and serve!
  12. Store Properly: Store any leftover cake in an airtight container in the refrigerator due to the cream cheese frosting. For best taste and texture, allow slices to come to room temperature for about 30 minutes before serving.

Notes

This recipe has been adapted to perfect the classic Sour Cream Banana Cake. For the most tender and flavorful cake, ensure you use very ripe (speckled or oven-roasted) bananas and be extremely careful not to overmix the batter once the flour is added. Using room temperature ingredients for both the cake and the frosting is also crucial for a smooth batter, even baking, and a perfectly creamy frosting.

Recommended Products

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  • Small Offset Spatula
  • KitchenAid 9-Speed Digital Hand Mixer
  • 12 x 17-inch Jelly Roll Pan

Nutrition Information:

Yield:

24

Serving Size:

1 slice

Amount Per Serving:
Calories: 512
Total Fat: 13g
Saturated Fat: 8g
Trans Fat: 0g
Unsaturated Fat: 4g
Cholesterol: 51mg
Sodium: 176mg
Carbohydrates: 98g
Fiber: 1g
Sugar: 87g
Protein: 3g

Nutritional information is provided as an estimate only and can vary significantly based on ingredients used, preparation methods, and portion sizes. This information is generated by online calculators and should not be considered a substitute for professional dietary advice. Please calculate your own nutritional values based on the exact ingredients you use for the most accurate results.

© Liz Berg

Cuisine: American, Southern

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Category: Cakes