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Banana Bread Brownies

Published: Apr 5, 2025 by Linda · This post may contain affiliate links ·

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Savor the Decadent Delight of Homemade Banana Bread Brownies

Embark on a heavenly baking adventure with these irresistible banana bread brownies, combining the comforting warmth of traditional banana bread with the rich, fudgy texture of brownies. This innovative fusion creates a uniquely satisfying treat that will have everyone asking for seconds.

Banana Bread Brownies

Whether you're hosting a casual weekend brunch or seeking the perfect dessert for your next potluck, these banana bread brownies deliver an extraordinary blend of flavors that'll make any occasion special. The addition of sour cream ensures a wonderfully moist texture, while chopped walnuts add a delightful crunch to every bite.

Transform your ordinary baking routine into something extraordinary with this crowd-pleasing recipe. Ready to create a batch of these mouth-watering banana bread brownies? Let's dive into this simple yet impressive recipe that's sure to become a family favorite.

Banana Bread Brownies: A Perfect Marriage of Two Classic Treats

These banana bread brownies take the best elements of both beloved desserts and merge them into something truly spectacular. The natural sweetness of ripe bananas perfectly complements the rich, buttery base, while a generous layer of brown butter frosting adds an elegant finishing touch that elevates this treat to new heights.

Here's your guide to achieving the perfect balance of flavors and textures, complete with expert tips to ensure your banana bread brownies turn out perfectly every time.

Serving Suggestions:

These versatile banana bread brownies make an excellent addition to any meal or occasion. Serve them slightly warm for breakfast alongside your morning coffee, pack them in lunch boxes for a sweet afternoon treat, or dress them up with a scoop of vanilla ice cream for an indulgent dessert. They're equally delightful at room temperature and make wonderful gifts for friends and neighbors.

Pro Tips for Perfect Banana Bread Brownies:

  1. Banana Selection: Use overripe bananas with plenty of brown spots for the sweetest, most intense banana flavor. The riper the bananas, the more flavorful your brownies will be.
  2. Room Temperature Ingredients: Ensure your eggs, butter, and sour cream are at room temperature before mixing. This promotes better incorporation and a more uniform texture.
  3. Careful Mixing: Mix the dry ingredients just until combined to avoid tough brownies. Overmixing can lead to a dense, chewy texture rather than the desired tender crumb.
  4. Even Distribution: When adding the walnuts, fold them in gently to ensure they're evenly distributed throughout the batter without overmixing.
  5. Frosting Technique: For the brown butter frosting, watch the butter carefully as it browns – it can go from perfect to burnt quickly. The brown butter adds a nutty, caramel note that complements the banana perfectly.
Banana Bread Brownies

Banana Bread Brownies Recipe:

  • Preparation time: 20 minutes
  • Cooking time: 25-30 minutes
  • Servings: 24 brownies
  • Equipment: 9x13 inch baking pan, electric mixer, mixing bowls, saucepan

Ingredients:

For the Banana Bread Brownies:

  • 1 ½ cups sugar
  • 1 cup sour cream
  • ½ cup (1 stick) unsalted butter, at room temperature
  • 2 eggs, at room temperature
  • 3 bananas, mashed
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • ¾ teaspoon salt
  • ½ cup walnuts, chopped

For the Brown Butter Frosting:

  • ½ cup unsalted butter
  • 3 cups powdered sugar
  • 1 ½ teaspoons vanilla extract
  • 3 tablespoons milk

Directions:

  1. Prepare Your Workspace: Preheat your oven to 375°F and grease a 9x13 inch baking pan with non-stick cooking spray.
  2. Create the Base: In a large mixing bowl, combine sugar, sour cream, softened butter, and eggs. Beat with an electric mixer until smooth and well incorporated.
  3. Add Banana Mixture: Fold in the mashed bananas and vanilla extract until evenly distributed throughout the batter.
  4. Incorporate Dry Ingredients: Gradually add the flour, baking soda, and salt to the wet ingredients, mixing until just combined. Gently fold in the chopped walnuts.
  5. Bake to Perfection: Pour the batter into your prepared pan, spreading it evenly. Bake for 20-30 minutes, or until a toothpick inserted into the center comes out clean.
  6. Prepare the Frosting: While the brownies cool, brown the butter in a saucepan until it reaches a medium amber color. Remove from heat and gradually stir in the powdered sugar, followed by milk and vanilla extract.
  7. Finish and Serve: Once the brownies have cooled slightly, spread the warm frosting evenly over the top. Allow to cool completely before cutting into squares.

Storage Solutions:

These banana bread brownies stay fresh for up to 5 days when stored in an airtight container at room temperature. For longer storage, you can refrigerate them for up to a week or freeze for up to 3 months. If freezing, separate layers with parchment paper to prevent sticking. Allow frozen brownies to thaw overnight in the refrigerator before serving.

Ready to Relish!

Every bite of these banana bread brownies offers a perfect balance of sweet banana flavor, tender crumb, and rich brown butter frosting. The combination creates an irresistible treat that's sure to become a staple in your baking repertoire. Whether you're an experienced baker or just starting your culinary journey, this recipe promises delicious results that will have everyone coming back for more.

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Banana Bread Brownies

Banana Bread Brownies

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Rich and moist banana bread brownies topped with brown butter frosting - a perfect blend of two classic desserts in one irresistible treat.

  • Total Time: 58 minute
  • Yield: 24 brownies 1x

Ingredients

Scale

For the Banana Bread Brownies:

  • 1 ½ cups sugar
  • 1 cup sour cream
  • ½ cup (1 stick) unsalted butter, at room temperature
  • 2 eggs, at room temperature
  • 3 bananas, mashed
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • ¾ teaspoon salt
  • ½ cup walnuts, chopped

For the Brown Butter Frosting:

  • ½ cup unsalted butter
  • 3 cups powdered sugar
  • 1 ½ teaspoons vanilla extract
  • 3 tablespoons milk

Instructions

  • Prepare Your Workspace: Preheat your oven to 375°F and grease a 9x13 inch baking pan with non-stick cooking spray.
  • Create the Base: In a large mixing bowl, combine sugar, sour cream, softened butter, and eggs. Beat with an electric mixer until smooth and well incorporated.
  • Add Banana Mixture: Fold in the mashed bananas and vanilla extract until evenly distributed throughout the batter.
  • Incorporate Dry Ingredients: Gradually add the flour, baking soda, and salt to the wet ingredients, mixing until just combined. Gently fold in the chopped walnuts.
  • Bake to Perfection: Pour the batter into your prepared pan, spreading it evenly. Bake for 20-30 minutes, or until a toothpick inserted into the center comes out clean.
  • Prepare the Frosting: While the brownies cool, brown the butter in a saucepan until it reaches a medium amber color. Remove from heat and gradually stir in the powdered sugar, followed by milk and vanilla extract.
  • Finish and Serve: Once the brownies have cooled slightly, spread the warm frosting evenly over the top. Allow to cool completely before cutting into squares.
  • Author: Linda
  • Prep Time: 20 minutes
  • Cook Time: 25-30 minutes

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Banana Bread Brownies