Banana bread brownies combine the delightful flavors of two beloved treats into one decadent dessert that you will adore. These sweet creations fuse the moist, rich characteristics of banana bread with the chewy, fudgy texture of brownies. Once you take your first bite, you’ll find it hard to believe how well these two classics come together. Whether you’re a banana bread enthusiast or a brownie lover, these banana bread brownies are sure to win your heart and satisfy your cravings.
Why We Love This Banana Bread Brownies Recipe
The beauty of this banana bread brownies recipe lies in its versatility and ease of preparation. Using simple ingredients, you can whip up a batch that showcases the natural sweetness of ripe bananas and offers a delightful texture. The addition of sour cream ensures that your brownies remain moist and tender, while the chopped walnuts add a satisfying crunch. Perfect for any occasion, whether it’s a family gathering or a coffee break at home, these brownies are an irresistible treat that everyone will enjoy. You’re bound to love sharing them, and they make for a great afternoon snack or dessert.
Ingredients about Banana Bread Brownies
To create your banana bread brownies masterpiece, gather the following ingredients:
- 1 1/2 cups granulated sugar
- 1 cup sour cream
- 1/2 cup butter, softened
- 2 large eggs
- 3-4 ripe bananas, mashed
- 2 teaspoons vanilla extract
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 3/4 teaspoon salt
- 1/2 cup chopped walnuts
For the frosting:
- 1/4 cup butter
- 3-4 cups powdered sugar
- 1 1/2 teaspoons vanilla extract
- 2-3 tablespoons milk
How to Make Banana Bread Brownies Directions
To start, preheat your oven to 375 degrees Fahrenheit (190 degrees Celsius). This temperature is perfect for achieving a golden-brown finish on your brownies. Prepare a 9×13-inch baking pan by greasing it with cooking spray and lining it with parchment paper. Be sure to leave some overhang on the sides, as this will make it easier to lift the brownies out once they’re ready.
In a large bowl, combine the granulated sugar, sour cream, softened butter, and eggs. Use an electric mixer or a whisk to beat the mixture until it becomes creamy and well-blended. Next, take your ripe bananas and mash them until smooth before adding them to the mixture along with the vanilla extract. Whisk everything together until fully combined; you want the flavors to meld beautifully.
Now it’s time to add the dry ingredients. Sift in the all-purpose flour, baking soda, and salt. It’s important to mix carefully at this stage—use a spatula to fold the batter until all the ingredients are well incorporated. Be cautious not to over-mix, as this can affect the texture of your brownies. Finally, gently fold in the chopped walnuts to add some delightful crunch.
Spread the batter evenly into your prepared baking pan. Bake the banana bread brownies in your preheated oven for about 30 to 35 minutes. You’ll know they’re ready when the top turns a lovely golden color, and a toothpick inserted into the center comes out clean. Once baked, allow the brownies to cool in the pan for about 10 minutes. After they have cooled a little, you can frost them.
While the brownies are cooling, focus on the frosting. In a medium saucepan over medium heat, melt the 1/4 cup of butter until it begins to brown, stirring frequently to prevent burning. Once you achieve that beautiful, nutty aroma and color, remove the saucepan from the heat and transfer the browned butter to a large bowl. Add half of the powdered sugar, along with the vanilla extract and milk. Whisk everything together until you reach a smooth consistency, adjusting with more powdered sugar if needed.
Spread the warm frosting over the top of your banana bread brownies. The frosting will soak in slightly, enhancing the moistness of the brownies. Cut into squares or rectangles as desired, and serve them warm or at room temperature. Enjoy the delicious combination of banana and chocolate flavors!
How to Serve Banana Bread Brownies
Serving banana bread brownies can be as simple or creative as you wish. For a casual gathering, cut them into squares and serve them on a platter. You’ll find that they pair wonderfully with a variety of beverages, from coffee and tea to a refreshing glass of milk.
For a more elegant presentation, consider adding a scoop of vanilla ice cream on the side. The cold creaminess of the ice cream perfectly complements the warm, dense texture of the brownies. Another delightful option is to sprinkle some additional chopped walnuts or a dusting of powdered sugar on top for added texture and visual appeal.
If you’re feeling adventurous, you might also want to drizzle some chocolate or caramel sauce over the brownies before serving. This not only adds a touch of decadence but also enhances the flavor profile impeccably. Regardless of how you choose to serve these tasty treats, they are a guaranteed crowd-pleaser that your family and friends will love.
Expert Tips: Banana Bread Brownies
To achieve the perfect banana bread brownies, consider these expert tips. First, always use ripe bananas; the more speckled and soft they are, the sweeter and more flavorful your brownies will be. Aim for bananas that are well-past their prime – they’re perfect for baking!
Next, ensure your butter is softened properly before mixing. If it’s too hard or melted, it won’t incorporate well into the batter, affecting the texture of your brownies. If you’re short on time, you can soften it quickly by cutting it into small cubes and letting it sit at room temperature for about 10-15 minutes.
Don’t forget to sift the dry ingredients! Sifting helps to aerate the flour and prevents lumps from forming in your batter, leading to a smoother consistency. When adding your walnuts, feel free to toast them lightly in the oven if you desire an even richer flavor.
Lastly, keep a close eye on the baking time. Ovens can vary, so check a few minutes before the suggested time to ensure you don’t overbake. Once you notice the edges start to pull away from the pan, they’re done!
How to Store Banana Bread Brownies
Storing banana bread brownies correctly is essential to maintain their freshness and flavor. After allowing the brownies to cool completely, you can store them in an airtight container. If you have leftovers, they can stay fresh for about 3 to 5 days at room temperature.
For longer storage, consider placing them in the fridge, where they will last up to a week. If you want to save them for an extended period, freeze the brownies. Wrap them tightly in plastic wrap, then place them in a freezer-safe bag or container. They will remain delicious in the freezer for up to three months. When you’re ready to enjoy them again, simply thaw them in the refrigerator and reheat in the microwave for a few seconds for that fresh-baked taste.
Variation of Banana Bread Brownies
Don’t hesitate to experiment with different variations of banana bread brownies to suit your taste preference! For a chocolatey twist, you can add chocolate chips to the batter. Semisweet or dark chocolate chips would work wonderfully, creating a delightful gooey texture throughout.
If you’re a fan of spices, consider adding a teaspoon each of cinnamon or nutmeg to the batter for an aromatic flavor kick that pairs well with the bananas. For a tropical flair, you could incorporate shredded coconut or even chopped pineapple for a refreshing change.
You might also try adding peanut butter to the frosting for an extra layer of flavor. Mix 1/4 cup of peanut butter into your frosting, giving it a rich, nutty taste that perfectly complements the bananas. Alternatively, drizzle some melted white chocolate on top of the brownies after frosting for a sweet contrast to the banana flavor.
FAQ
What are banana bread brownies?
Banana bread brownies are a delicious dessert that combines the moist texture and sweet flavor of banana bread with the chewy, fudgy consistency of brownies.
How do I know when the banana bread brownies are done?
You’ll know they are ready when the top turns golden brown and a toothpick inserted into the center comes out clean or with a few moist crumbs.
Can I use frozen bananas in the recipe?
Yes, you can use frozen bananas! Just make sure to thaw them completely and drain any excess liquid before mashing them into your batter.
What can I substitute for sour cream in banana bread brownies?
If you don’t have sour cream on hand, you can substitute it with plain Greek yogurt or even buttermilk for a similar texture and tang.
Can I make banana bread brownies without nuts?
Absolutely! If you’re not a fan of walnuts or have allergies, you can omit them entirely, or replace them with seeds or chocolate chips if you prefer.

Banana Bread Brownies
Ingredients
Brownie Base
- 1.5 cups granulated sugar
- 1 cup sour cream Can be substituted with Greek yogurt or buttermilk
- 0.5 cups butter, softened Softened to room temperature
- 2 large eggs
- 3-4 pieces ripe bananas, mashed Use well-ripened bananas for best flavor
- 2 teaspoons vanilla extract
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 0.75 teaspoon salt
- 0.5 cups chopped walnuts Optional, can be replaced with chocolate chips
Frosting
- 0.25 cups butter Melted until browned
- 3-4 cups powdered sugar Adjust to desired sweetness and consistency
- 1.5 teaspoons vanilla extract
- 2-3 tablespoons milk Add to achieve desired frosting consistency
Instructions
Preparation
- Preheat your oven to 375°F (190°C). Grease a 9x13-inch baking pan with cooking spray and line it with parchment paper.
- In a large bowl, combine the granulated sugar, sour cream, softened butter, and eggs. Beat until creamy and well-blended.
- Mash the ripe bananas and add them to the mixture along with the vanilla extract. Whisk until fully combined.
- Sift in the all-purpose flour, baking soda, and salt. Fold the batter gently with a spatula until just incorporated.
- Carefully fold in the chopped walnuts.
Baking
- Spread the batter evenly into the prepared baking pan.
- Bake for 30 to 35 minutes until the top is golden and a toothpick inserted comes out clean.
- Allow the brownies to cool in the pan for about 10 minutes before frosting.
Frosting
- In a medium saucepan, melt the butter until browned, stirring frequently.
- Transfer the browned butter to a bowl and add half of the powdered sugar, vanilla extract, and milk. Whisk until smooth.
- Spread warm frosting over the cooled brownies.
