Best Banana Cake Recipe with Sour Cream

This is simply the Best Banana Cake Recipe with Sour Cream you will ever find! It’s moist, flavorful, and has that perfect sweetness that makes you want to reach for another slice. Furthermore, sour cream is the secret ingredient that takes this cake from good to legendary.

A banana cake is a cake prepared using banana as a primary ingredient and typical cake ingredients. It can be prepared in various manners, including as a layer cake, as muffins and as cupcakes.

This recipe is a breeze, even if baking isn’t your thing. It’s all about mixing, pouring, and baking your way to a sensational dessert that will impress everyone. Ready to get started? Grab your apron, and let’s make some magic in the kitchen.

Why You’ll Love This Cake:

You’ll fall head over heels for the Best Banana Cake Recipe with Sour Cream, and here’s why! First up, the simplicity of the recipe is a total game-changer. Complicated steps or hard-to-find ingredients won’t bog you down. It’s just straightforward, honest baking that leads to delicious results. Then there’s the secret weapon – sour cream.

This wonder ingredient adds an incredible richness and tenderness to the cake. The texture becomes unbelievably moist, almost melting in your mouth and the flavor. It’s enhanced in a way that brings out the sweetness of the bananas and adds a subtle, irresistible tang. This cake isn’t just good; it’s a bite into cloud nine!

Ingredients for the Best Banana cake Recipe with Sour Cream

ingredients for the Best banana cake recipe with sour cream

Now, let’s discuss what you’ll need for this amazing cake. Everything here is pretty straightforward; you might already have most of these ingredients in your pantry. Here’s the rundown:

  • 1 cup packed brown sugar – This will give your cake a wonderful, deep sweetness.
  • ½ cup white sugar – For that perfect sweet balance.
  • 1 stick butter, softened – It’s all about adding that rich, buttery flavor.
  • 4 large eggs – They’ll give your cake structure and make it super fluffy.
  • 1 and 1/4 cups sour cream at room temperature – The show’s star! It makes the cake incredibly moist and adds a subtle tang.
  • 3 cups flour – This is your cake’s backbone, giving it form and structure.
  • 1 teaspoon baking soda and ½ teaspoon baking powder – These will help your cake rise to perfection.
  • 1 teaspoon cinnamon – Just a hint to add some warmth and spice.
  • ⅛ teaspoon salt – To enhance all the flavors.
  • 1 cup chopped walnuts – For a delightful crunch in every bite.
  • 2 teaspoons vanilla extract – A dash of vanilla combines all the flavors beautifully.

Stick with me; we’ll transform these simple ingredients into something spectacular. Ready to get your bake on?

Ingredients for the Frosting

  • 1 stick of butter, softened
  • 3 cups of powdered sugar
  • 8-ounce cream cheese, softened
  • 1 teaspoon of vanilla extract


I’ve sprinkled some substitution suggestions for those with common allergens or dietary restrictions. Cooking is all about creativity and making it work for you. Feel free to swap out ingredients based on what suits your dietary needs.

The goal? A banana cake that everyone can enjoy, regardless of dietary restrictions. Isn’t it magical how a few simple swaps can make a recipe inclusive for everyone? Happy baking!

Step-by-Step Instructions

Now that our ingredients are ready, it’s time to whisk our way to deliciousness! Follow these simple steps, and you’ll have a mouth-watering best banana cake recipe with sour cream.

  1. Preheat your oven to 350°F (175°C). Lightly grease and flour (or line with parchment paper) in a 9×13-inch baking pan. This step ensures your cake comes out perfectly without sticking.
  2. Mix the dry ingredients. Whisk together all-purpose flour, baking soda, and a pinch of salt in a medium bowl. This blend forms the base of our cake.
  3. Cream the butter and sugar. In a large bowl, beat 1 stick of softened butter with 1 cup of granulated sugar until light and fluffy. This is crucial for creating a silky texture.
  4. Add eggs, one at a time. Beat in 2 large eggs, adding them one at a time to ensure they’re fully incorporated with the butter-sugar mixture.
  5. Blend in the bananas and vanilla. Stir in mashed bananas and vanilla extract. Here’s a tip: the riper the bananas, the better! They contribute to the moisture and sweetness of the cake.
  6. Combine the dry and wet mixtures. Gradually add the dry ingredients to the wet ingredients, stirring until combined. Be careful not to overmix, which can lead to a denser cake.

Secret to Moisture for Best Banana Cake with Sour Cream

  1. Fold in sour cream and milk. Gently fold sour cream into the batter. This is the secret to that moist, tender crumb everyone loves.
  2. Pour and smooth. Pour the batter into the prepared baking pan and smooth the top with a spatula.
  3. Bake to perfection. Bake for 25-30 minutes or until a toothpick inserted into the center comes clean. Keep an eye on it; oven times may vary.
  4. Cool, then frost. Allow the cake to cool completely before frosting. Patience is key here – frosting too early can cause the frosting to melt.

Remember, baking is part art, part science, but mostly joy. Don’t stress about making it perfect. Enjoy the process, and your cake will taste all the better.

Preparing the Cream Cheese Frosting

the Best banana cake recipe with sour cream with nuts baked in a 9x13 pan

For a lusciously smooth and creamy frosting that pairs beautifully with our banana cake, follow these instructions:

  1. Beat the butter until creamy. Start by beating 1/2 cup of softened unsalted butter in a large mixing bowl until it is pale and creamy. Achieving this texture is key for a smooth frosting base.
  2. Gradually add powdered sugar: Slowly add 1 1/2 cups of powdered sugar to the butter, beating at a low speed initially to incorporate, then increasing the speed to create a smooth and fluffy mixture. Be sure to scrape down the sides of the bowl occasionally.
  3. Incorporate the vanilla: Add 1/4 cup of sour cream and 1/2 teaspoon of vanilla extract. Beat the mixture until it is smooth and all ingredients are fully incorporated. If the frosting appears too thick, you can add a teaspoon of milk at a time until you reach the desired consistency.
  4. Chill if necessary: If the frosting is too soft to spread, chilling it in the refrigerator for 10-15 minutes can help it firm up slightly, making it easier to work with.

Tips for Frosting the Cake

For a professional-looking cake, keep these tips in mind while frosting:

  • Ensure the cake is completely cool: This must be balanced. Frosting the cake while it is still warm will result in the frosting melting and sliding off the cake.
  • Apply a crumb coat: First, apply a thin layer of frosting over the cake for a crumb-free final frosting. This is the crumb coat. Refrigerate the cake for about 30 minutes to set this layer before applying the final coat of frosting.
  • Smooth the top and sides: Use an offset spatula or the back of a spoon for a more artisan look. Gently spread the frosting over the top and down the sides of the cake, smoothing as you go. If you want a smooth finish, dip the spatula in hot water, dry it, and smooth the frosting.
  • Decorate with precision: Use a piping bag with a decorative tip to pipe designs onto the cake for added flair. Alternatively, the back of a spoon can be used to create swirls or peaks for a more rustic look.

Remember, the beauty of best banana cake recipe with sour cream lies in its uniqueness. Don’t strive for perfection; enjoy the process and the delicious outcome.

Variations of the Recipe

Adapting this banana cake recipe to suit various flavors or dietary requirements can be fun and inclusive. Here are some suggestions to get you started:

Vegan Variation

To make this cake vegan-friendly, replace the eggs with flax eggs (1 flax egg equals 1 tablespoon of ground flaxseed mixed with 3 tablespoons of water, set aside for 15 minutes). Use dairy-free sour cream or thick coconut yogurt instead of traditional sour cream, and ensure your sugar is certified vegan.

Gluten-Free Adaptation

For those avoiding gluten, substitute the all-purpose flour with a gluten-free all-purpose flour blend on a 1:1 basis. Make sure to choose a blend that includes xanthan gum or add 1/4 teaspoon of xanthan gum to the flour mix, as it will help the cake hold together much like gluten does.

Nut-Free Options

This recipe is naturally nut-free but for those looking to ensure cross-contamination hasn’t occurred, be vigilant about the brands of your ingredients, especially substitutes like dairy-free sour cream and gluten-free flour blends, as they might be processed in facilities that handle nuts.

Flavor Add-Ins

  • Chocolate Chips: Mix 1 cup of chocolate chips (dairy-free for vegans) into the batter for a delightful banana-chocolate cake.
  • Blueberries: Gently fold 1 cup of fresh or frozen blueberries into the batter for a banana-blueberry variation. This adds a burst of flavor and antioxidants.
  • Cinnamon Swirl: Mix 1/4 cup of brown sugar with 1 tablespoon of ground cinnamon. Pour half of the batter into the baking pan, sprinkle the cinnamon sugar evenly over the batter, then top with the remaining batter and marble with a knife.

Sweetener Substitutions

Swap the granulated sugar for equal coconut or 3/4 cup of pure maple syrup to reduce refined sugar. If using maple syrup, reduce the milk by 1 tablespoon to account for the added liquid.

Experimenting with these variations not only accommodates different dietary needs but also introduces an element of creativity to baking. Enjoy the process, and feel free to mix and match suggestions to create your perfect banana cake masterpiece.

Best Practices for the Best Banana Cake Recipe with Sour Cream

slice of banana cake with sliced banana on top

Ensuring your banana cake reaches its highest potential flavor and texture starts with carefully selecting and handling your ingredients. Here are some tips to help you along the way:

  • Choosing Bananas: The best bananas for banana cake are ripe to overripe. Look for bananas with plenty of brown spots on their peel. Overripe bananas are sweeter and more aromatic, lending a richer flavor to your cake.
  • Room Temperature Ingredients: Ensure that all your ingredients, especially eggs, butter, and sour cream, are at room temperature before beginning. Room-temperature ingredients blend more readily, ensuring an even texture in your cake.
  • Sifting Dry Ingredients: While it may seem like an extra step, sifting your flour with baking soda and salt ensures no lumps and helps incorporate air into the mix, resulting in a lighter cake texture.

Storage Advice for Keeping Your Cake Moist and Fresh

  • Cooling Before Storage: Allow the cake to cool completely before storing it. Storing while still warm can lead to condensation and make the cake soggy.
  • Airtight Container: Store your cake in an airtight container to prevent drying. If you’ve already cut into your cake, press a piece of plastic wrap directly against the cut sides to keep air out.
  • Refrigeration: If your cake is frosted with a dairy-based frosting, like the sour cream frosting suggested, it’s best to keep it refrigerated. However, allow it to sit at room temperature for about 20 minutes before serving for the best flavor and texture.
  • Freezing for Longevity: For longer storage, banana cake freezes exceptionally well. Wrap individual slices or the whole cake securely in plastic wrap, followed by a layer of aluminum foil, and freeze. Thaw overnight in the refrigerator before serving.

By following these tips and best practices, your banana cake will not only be delicious on the day it’s made but will also remain just as delightful when savored over time.

Serving and Pairing Ideas

Once your banana cake masterpiece is ready and you’ve navigated through the best practices for storage, the next delightful step is serving and pairing. Here are a few ideas to elevate your banana cake experience:

  • Coffee or Tea: A slice of banana cake pairs wonderfully with a hot cup of coffee or tea. The warmth of these beverages complements the moist, sweet flavors of the cake, making for a relaxing afternoon snack or a comforting breakfast.
  • Ice Cream Companion: For an indulgent treat, serve a warm slice of banana cake with a scoop of vanilla ice cream on the side. The contrast between the warm cake and the ice cream is truly delectable.
  • Fresh Fruit: Fresh fruit, such as sliced strawberries or a berry mix, can add a refreshing and slightly tart contrast to the sweetness of the cake. This pairing is perfect for a summer dessert or a light brunch offering.
  • Dessert Wines: If you want to pair your banana cake with a drink more suited for the evening, dessert wines like Riesling, Moscato, or even a Port can offer a delightful complement. The natural sweetness in these wines pairs nicely with the rich and aromatic flavors of banana cake.
  • Whipped Cream or Yogurt: For a lighter topping, a dollop of whipped cream or a spoon of Greek yogurt on top of your cake slice can add a creamy texture and a slight tanginess, balancing the cake’s sweetness.

By experimenting with these serving and pairing ideas, each bite of banana cake becomes a treat and a moment of pure gastronomical joy. Enjoy exploring various combinations to discover your personal favorites.


In conclusion, creating the best banana cake recipe with sour cream is a lot easier than most think. Whether you’re baking for a special occasion, or for everyday family eating, this is your cake you want. This best banana cake recipe with sour cream offers a versatile and rewarding baking project.

You can elevate this classic dessert by choosing ripe bananas, incorporating flavorful add-ins, and following best practices for preparation and storage. Remember, the joy of baking comes not only from the delicious end product but from experimenting with flavors, textures, and pairings. We hope this guide inspires you to create your banana cake masterpiece to share and enjoy with friends and family for many occasions to come.

Thanks so much for reading! If you are new here, you may want to sign up for my email newsletter. If you make this recipe, please come back and leave a star rating and review. I would love to hear what you think!

Happy cooking and bon appétit!

slice of banana cake with sliced banana on top

Banana Cake with Sour Cream

This is simply the Best Banana Cake Recipe with Sour Cream you'll ever find. It's moist, flavorful, and has the perfect sweetness.
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Course Dessert
Cuisine American
Servings 12


  • 1 9×13 casserole dish


  • 1 cup packed brown sugar
  • ½ cup white sugar
  • 1 stick butter softened
  • 4 large eggs
  • 3 ripe bananas
  • 1 and 1/4 cups sour cream at room temperature
  • 3 cups flour
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • 1 teaspoon cinnamon
  • teaspoon salt
  • 1 cup chopped walnuts
  • 2 teaspoons vanilla extract


  • 4 cups confectioners’ sugar
  • 8 oz cream cheese
  • 1 stick butter
  • 1 teaspoon vanilla extract


Wet Ingredients

  • Cream butter, sugar and eggs with mixer. Add banana and vanilla extract and continue mixing.

Dry Ingredients

  • Whisk together flour, baking soda, baking powder, salt and cinnamon. Then add to creamed mixture and mix well.
  • Fold the sour cream into the combined wet and dry ingredients.
  • Fold in nuts with a spoon. Spray a 9×13 pan with cooking spray.
  • Add batter to pan. Bake in preheated 350℉ oven for 45 to 50 minutes or until toothpick comes out clean.


  • Mix the cream cheese, butter, and vanilla together on medium speed until thoroughly combined.
  • Use a spatula to scrape the mixture down the sides of the bowl before moving on to add powdered sugar.
  • Add the powdered sugar into the mixing bowl a little at a time. Keep it on low until the cream cheese/butter and powdered sugar are blended to light and fluffy.
  • Taste your icing. Adjust to your liking.
    Frost your cooled cake. You may also save in fridge until cake is cooled.


Nutrition Information
Calories: 470 | Carbohydrates: 70g | Protein: 5g | Fat: 19g | Saturated Fat: 11g | Cholesterol: 84mg | Sodium: 331mg | Potassium: 178mg | Fiber: 1g | Sugar: 48g | Vitamin A: 680IU | Vitamin C: 3.1mg | Calcium: 62mg | Iron: 1.5mg
Keyword banana cake

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