These Banana Bread Brownies with brown butter frosting are a delightful twist on a classic favorite! Perfect for dessert tables, potlucks, or family gatherings, they combine the rich flavors of banana bread and brownies into an irresistible treat. With their fudgy texture and creamy frosting, these brownies are sure to steal the spotlight at any occasion.
Why You’ll Love This Recipe
- Easy to Make: This recipe requires simple ingredients and straightforward steps, making it perfect for bakers of all levels.
- Delicious Flavor: The combination of ripe bananas and brown butter creates a unique taste that is both sweet and satisfying.
- Versatile Treat: Enjoy these brownies as a dessert or snack; they pair wonderfully with coffee or tea.
- Crowd-Pleaser: With their appealing flavor and texture, these brownies are sure to impress family and friends.
- Customizable: Feel free to add your favorite nuts or chocolate chips for an extra touch of flavor.
Tools and Preparation
Before you start baking, gather your tools. Having everything ready makes the process smoother.
Essential Tools and Equipment
- Mixing bowls
- Measuring cups and spoons
- Whisk
- Spatula
- 9×13-inch baking pan
Importance of Each Tool
- Mixing bowls: Essential for combining ingredients efficiently without spills.
- Spatula: Helps in mixing batter thoroughly and scraping every bit from the bowl.
- Whisk: Perfect for achieving a smooth consistency in your mixture.

Ingredients
For these scrumptious banana bread brownies, you’ll need:
For the Brownies
- 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
Step 1: Preheat the Oven
Preheat the oven to 375 degrees Fahrenheit. Grease and line a 9×13-inch pan with cooking spray and parchment paper, leaving an overhang on the sides.
Step 2: Prepare the Brownie Batter
In a large bowl:
1. Beat together the granulated sugar, sour cream, softened butter, and eggs until creamy.
2. Mix in the mashed bananas and vanilla extract until well combined.
3. Sift in the all-purpose flour, baking soda, and salt. Gently fold using a spatula until just combined.
4. Add chopped walnuts to the mixture.
Step 3: Bake the Brownies
Spread the batter evenly into the prepared pan. Bake for 30-35 minutes or until golden brown. Let cool in the pan for about 10 minutes before frosting.
Step 4: Make the Frosting
While your brownies cool:
1. Heat 1/4 cup butter in a large pan over medium heat until it boils and browns slightly. Stir frequently to avoid burning.
2. Transfer browned butter to a large bowl.
3. Add half of the powdered sugar along with vanilla extract and milk. Whisk until smooth.
4. Gradually add more powdered sugar as needed to achieve desired consistency.
Step 5: Frost and Serve
Spread the frosting over warm banana bread brownies. Cut into squares, serve them up, and enjoy!
How to Serve Banana Bread Brownies
These banana bread brownies are incredibly versatile and can be enjoyed in various ways. Whether you want a simple snack or a dessert for a gathering, here are some delightful serving suggestions.
With Fresh Fruit
- Sliced Strawberries: The freshness of strawberries complements the sweetness of the brownies beautifully.
- Banana Slices: Enhance the banana flavor by adding fresh banana slices on top for an extra tasty treat.
With Ice Cream
- Vanilla Ice Cream: A scoop of creamy vanilla ice cream adds richness and balances the flavors perfectly.
- Chocolate Sorbet: For a dairy-free option, serve with chocolate sorbet for a decadent experience.
Drizzled with Caramel
- Warm Caramel Sauce: A drizzle of warm caramel sauce brings an indulgent touch that pairs wonderfully with the brownies.
- Salted Caramel: Adding a sprinkle of sea salt on top enhances the flavor profile for those who enjoy sweet and salty combinations.
As a Snack
- With Coffee: Enjoy these brownies with a cup of coffee for an afternoon pick-me-up.
- With Tea: Pairing with your favorite tea makes for a cozy tea-time treat.
How to Perfect Banana Bread Brownies
Perfecting banana bread brownies involves attention to detail and technique. Here are some tips to ensure your brownies turn out delicious every time.
- Use Ripe Bananas: The riper the bananas, the sweeter and more flavorful your brownies will be. Look for bananas with plenty of brown spots.
- Don’t Overmix: Mix just until combined. Overmixing can make your brownies tough instead of tender.
- Check Doneness Early: Ovens can vary, so check for doneness a few minutes before the suggested baking time. A toothpick should come out with a few moist crumbs.
- Cool Completely Before Frosting: Let your brownies cool completely before adding frosting to prevent it from melting into the brownies.
Best Side Dishes for Banana Bread Brownies
Pairing side dishes with your banana bread brownies can elevate your dessert experience. Here are some excellent options to consider:
- Fresh Berries: A mix of blueberries, raspberries, and blackberries provides tartness that balances the sweetness of the brownies.
- Fruit Salad: A light fruit salad adds freshness and color, making it an inviting complement to rich desserts.
- Yogurt Parfait: Layer yogurt with granola and fruits for a wholesome side that contrasts nicely with fudgey brownies.
- Coconut Whipped Cream: A dollop of coconut whipped cream adds a tropical twist and creaminess that complements the banana flavor.
- Nut Mix: A bowl of mixed nuts offers crunch and protein, making it a satisfying snack alongside sweet treats.
- Chia Seed Pudding: This healthy option provides texture and is easily flavored; opt for vanilla or chocolate variations to match your brownie experience.
Common Mistakes to Avoid
When making Banana Bread Brownies, it’s easy to make a few common errors that could affect the final result. Here are some mistakes to watch out for:
- Not using ripe bananas: Ripe bananas add natural sweetness and moisture. Ensure your bananas are well-spotted for the best flavor.
- Overmixing the batter: Mixing too much can lead to tough brownies. Mix just until combined for a tender texture.
- Skipping the cooling time: Allowing brownies to cool before frosting is crucial. This prevents the frosting from melting into the brownies.
- Using cold ingredients: Cold butter or eggs can affect how well they mix. Always bring them to room temperature before starting.
- Not measuring flour correctly: Too much flour can lead to dry brownies. Use a spoon to fluff up the flour before scooping it into the measuring cup.
Storage & Reheating Instructions
Refrigerator Storage
- Store Banana Bread Brownies in an airtight container for up to 5 days.
- Place parchment paper between layers if stacking to prevent sticking.
Freezing Banana Bread Brownies
- Wrap individual pieces tightly in plastic wrap and place them in a freezer bag for up to 3 months.
- Label with the date for easy tracking of freshness.
Reheating Banana Bread Brownies
- Oven: Preheat to 350°F, place brownies on a baking sheet, and heat for about 10 minutes until warm.
- Microwave: Heat individual servings for about 15-20 seconds, but avoid overheating as it can dry them out.
- Stovetop: Place brownies in a skillet over low heat, covering with a lid for about 5 minutes until warmed through.
Frequently Asked Questions
Here are some common questions regarding Banana Bread Brownies:
What makes Banana Bread Brownies different from regular brownies?
Banana Bread Brownies combine the flavors of banana bread with traditional brownie texture, creating a moist and flavorful dessert that’s unique and delightful.
Can I substitute ingredients in Banana Bread Brownies?
Yes! You can swap sour cream with yogurt or use different nuts like pecans instead of walnuts. Customize according to your taste!
How do I know when my Banana Bread Brownies are done?
Check for golden edges and a toothpick inserted into the center should come out mostly clean with a few moist crumbs attached.
How can I make my Banana Bread Brownies healthier?
Consider using whole wheat flour or adding oats. You can also reduce sugar slightly without affecting the taste too much.
Final Thoughts
These Banana Bread Brownies are incredibly versatile and delicious! Perfect as a sweet treat or dessert, they offer an irresistible combination of flavors. Feel free to customize them with your favorite nuts or even chocolate chips for added richness. Don’t hesitate—try this recipe today!
Banana Bread Brownies
Indulge in the delightful fusion of flavors with these Banana Bread Brownies! This easy-to-make dessert combines the moist richness of banana bread with the fudgy texture of brownies, creating a treat that’s perfect for any occasion. Topped with a luscious brown butter frosting, these brownies are sure to be a hit at potlucks, family gatherings, or simply as a satisfying snack. Enjoy them warm or chilled, and feel free to customize with your favorite nuts or chocolate chips for an added touch of decadence.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: Approximately 12 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
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
- 1/4 cup butter (for frosting)
- 3–4 cups powdered sugar
- 1 1/2 teaspoons vanilla extract
- 2–3 tablespoons milk
Instructions
- Preheat oven to 375°F. Grease and line a 9×13-inch baking pan.
- In a large bowl, mix sugar, sour cream, softened butter, and eggs until creamy. Add mashed bananas and vanilla extract.
- Sift in flour, baking soda, and salt; fold gently until combined. Stir in chopped walnuts.
- Pour batter into prepared pan and bake for 30-35 minutes until golden brown. Cool slightly before frosting.
- For the frosting, brown butter over medium heat, then whisk in powdered sugar and milk until smooth. Spread over cooled brownies.
Nutrition
- Serving Size: 1 brownie square (60g)
- Calories: 230
- Sugar: 18g
- Sodium: 105mg
- Fat: 10g
- Saturated Fat: 5g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 34g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 30mg