Banana Bread Brownies
These Banana Bread Brownies with brown butter frosting are a delightful treat that’s sure to impress. Perfect for any occasion, whether it’s a family gathering, a potluck, or simply a cozy night in, these brownies combine the flavors of classic banana bread with the richness of brownies. The addition of brown butter frosting elevates them to a whole new level, making them uniquely addictive!
Why You’ll Love This Recipe
- Irresistible Flavor: The combination of ripe bananas and buttery goodness creates a moist and flavorful brownie.
- Easy to Make: With straightforward steps and common ingredients, even novice bakers can whip these up.
- Versatile Treat: Great for parties, dessert tables, or just a sweet snack at home.
- Brown Butter Bliss: The nutty flavor of brown butter frosting adds an extra layer of deliciousness that sets these brownies apart.
- Crowd-Pleaser: They’re loved by kids and adults alike, making them perfect for sharing.
Tools and Preparation
Before you begin baking your Banana Bread Brownies, gather your tools. Having everything ready will make the process smoother and more enjoyable.
Essential Tools and Equipment
- Mixing bowls
- Whisk
- Spatula
- 9×13-inch baking pan
- Parchment paper
- Sifter
Importance of Each Tool
- Mixing bowls: Essential for combining ingredients without spills.
- Whisk: Perfect for achieving a smooth batter by incorporating air into the mixture.
- Spatula: Helps fold in ingredients gently and scrape down sides for an even mix.

Ingredients
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 your 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 for easy removal later.
Step 2: Mix the Brownie Batter
In a large bowl, beat together the granulated sugar, sour cream, softened butter, and eggs until creamy.
– Add the mashed bananas and vanilla extract to the mixture.
– Sift in the all-purpose flour, baking soda, and salt. Carefully mix with a spatula until well combined.
– Fold in the chopped walnuts for added texture.
Step 3: Bake the Brownies
Spread the batter evenly into the prepared pan. Bake for 30-35 minutes or until golden brown on top. Once baked, allow them to cool in the pan for about 10 minutes before adding frosting.
Step 4: Prepare the Frosting
While waiting for your brownies to cool:
– Heat 1/4 cup of butter in a large pan over medium heat until it begins to boil and turn brown. Stir frequently to avoid burning.
– Remove from heat and transfer it to a mixing bowl.
– Add half of the powdered sugar along with vanilla extract and milk. Whisk until smooth. Adjust consistency by adding more powdered sugar if needed.
Step 5: Frost & Serve
Spread the brown butter frosting generously over your warm banana bread brownies. Cut into squares and serve while warm or at room temperature. Enjoy this delightful treat!
How to Serve Banana Bread Brownies
Banana bread brownies are delicious on their own, but serving them with a few accompaniments can elevate your dessert experience. Here are some delightful serving suggestions to enhance this sweet treat.
Pair with Ice Cream
- Vanilla Ice Cream: The classic choice that complements the banana flavor perfectly.
- Chocolate Ice Cream: For chocolate lovers, the rich taste pairs well with the sweetness of the brownies.
Drizzle with Caramel Sauce
- Warm Caramel: A warm drizzle adds a gooey touch and enhances the flavor profile.
- Sea Salt Caramel: A sprinkle of sea salt can balance the sweetness beautifully.
Add Fresh Fruit
- Sliced Strawberries: Fresh strawberries provide a refreshing contrast to the dense brownies.
- Blueberries: Their tartness complements the sweetness of banana bread brownies wonderfully.
Serve with Whipped Cream
- Homemade Whipped Cream: Light and fluffy, it adds creaminess without overpowering the flavors.
- Flavored Whipped Cream: Consider a hint of vanilla or cinnamon for an extra twist.
How to Perfect Banana Bread Brownies
Perfecting banana bread brownies involves attention to detail and a few key tips. Follow these suggestions for irresistible results.
- Use Ripe Bananas: The riper your bananas, the sweeter and more flavorful your brownies will be.
- Don’t Overmix: Mix just until combined to keep the texture light and fluffy.
- Check Oven Temperature: Ensure your oven is preheated correctly; an oven thermometer can help with accuracy.
- Cool Before Frosting: Allowing the brownies to cool slightly prevents the frosting from melting away.
Best Side Dishes for Banana Bread Brownies
Banana bread brownies pair well with various side dishes that enhance their flavor and create a well-rounded dessert experience. Here are some great options:
- Fresh Fruit Salad: A mix of seasonal fruits adds freshness and balances sweetness.
- Yogurt Parfait: Layer yogurt with granola and berries for a delightful contrast in textures.
- Coffee or Tea: A warm cup of coffee or herbal tea complements the sweetness while offering a comforting vibe.
- Cheese Plate: Sharp cheeses like cheddar offer a savory contrast that enhances flavors.
- Chocolate Covered Strawberries: These add elegance and a burst of flavor, perfect for special occasions.
- Milkshake: A thick milkshake can create a fun and indulgent experience alongside your brownies.
Common Mistakes to Avoid
Making banana bread brownies can be a delight, but avoiding common pitfalls will ensure a successful bake.
- Bold flavor: Not using ripe bananas can lead to bland brownies. Always choose overripe bananas for the best flavor and sweetness.
- Bold mixing: Overmixing the batter can make the brownies tough. Mix just until all ingredients are combined for a tender texture.
- Bold measuring: Incorrectly measuring flour can affect the density. Use a kitchen scale or the spoon-and-level method for accuracy.
- Bold cooling: Frosting too soon can cause it to melt. Allow the brownies to cool in the pan for at least 10 minutes before applying frosting.
- Bold storage: Not storing properly can dry out your brownies. Keep them in an airtight container to maintain moisture.

Storage & Reheating Instructions
Refrigerator Storage
- Store banana bread brownies in an airtight container.
- They will last for up to 5 days in the refrigerator.
Freezing Banana Bread Brownies
- Wrap individual brownies tightly in plastic wrap before placing them in a freezer-safe container.
- They can be frozen for up to 3 months.
Reheating Banana Bread Brownies
- Oven: Preheat to 350°F (175°C), wrap brownies in foil, and heat for about 10-15 minutes.
- Microwave: Heat on medium power for 15-20 seconds until warm.
- Stovetop: Place on a skillet over low heat with a lid until warmed through, about 5 minutes.
Frequently Asked Questions
Here are some common questions about banana bread brownies that might help you perfect your baking.
Can I use other nuts instead of walnuts in Banana Bread Brownies?
Yes, you can substitute walnuts with pecans or almonds based on your preference.
How do I know when my Banana Bread Brownies are done?
Insert a toothpick into the center; it should come out clean or with just a few crumbs attached.
Can I make Banana Bread Brownies gluten-free?
Absolutely! Substitute all-purpose flour with a gluten-free blend for a delicious alternative.
What is the best way to serve Banana Bread Brownies?
Enjoy them warm with a scoop of ice cream or at room temperature with coffee or tea.
Final Thoughts
These banana bread brownies are not only delicious but also incredibly versatile. You can customize them with different nuts, chocolate chips, or even spices like cinnamon. Try this recipe today and indulge in a sweet treat that friends and family will love!
Banana Bread Brownies
Indulge in the delightful combination of flavors with these Banana Bread Brownies topped with luscious brown butter frosting. Perfect for any gathering or a cozy night at home, this recipe brings together the moistness of ripe bananas and the rich texture of brownies, elevated by a nutty frosting that makes them utterly addictive. Whether you’re hosting friends or treating yourself, these brownies are sure to impress and satisfy any sweet tooth.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: About 24 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 1 1/2 cups granulated sugar
- 1 cup sour cream
- 1/2 cup softened butter
- 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 (for frosting)
- 2–3 tablespoons milk
Instructions
- Preheat your oven to 375°F (190°C). Grease and line a 9×13-inch baking pan with parchment paper.
- In a large bowl, mix together the sugar, sour cream, softened butter, and eggs until creamy. Add mashed bananas and vanilla extract; mix well.
- Sift in flour, baking soda, and salt; gently combine using a spatula. Fold in chopped walnuts.
- Pour batter into the prepared pan and bake for 30-35 minutes or until golden brown on top. Cool for about 10 minutes.
- To make the frosting, heat butter in a pan until it turns brown, then mix with powdered sugar, vanilla extract, and milk until smooth.
- Spread frosting over warm brownies before cutting into squares.
Nutrition
- Serving Size: 1 brownie (50g)
- Calories: 190
- Sugar: 18g
- Sodium: 160mg
- Fat: 7g
- Saturated Fat: 4g
- Unsaturated Fat: 2g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 30mg
