Combine two beloved treats into one irresistible dessert with these moist banana bread brownies! This easy recipe delivers soft banana bread texture with rich brownie flavor, all topped with a velvety frosting.
Perfect for using those spotty bananas on your counter, these bars will become your new favorite way to enjoy classic flavors. Follow our simple steps to bake golden perfection today.

Why You’ll Love This Banana Bread Brownies Recipe
Three key factors make these brownies stand out. First, their moist texture comes from perfectly ripe bananas and Greek yogurt.
Second, the rich brown butter frosting adds luxurious flavor. Third, this recipe offers flexible options for dietary needs while maintaining incredible taste.
These brownies promise smiles whether served at potlucks, school events, or family gatherings.
Comfort Food Upgrade
The comforting blend of banana bread and brownie textures creates nostalgia with fresh excitement. Imagine the warmth of homemade banana bread meeting the decadence of fresh-baked brownies – pure bliss!
Simple Pantry Ingredients
These brownies require basic baking essentials you likely have stocked. When bananas turn brown, transform them into something spectacular rather than tossing them. Your kitchen fills with a delightful aroma as these bars bake to perfection.
Recipe
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Banana Bread Brownies
- Total Time: 35 min
- Yield: 16 servings 1x
Description
Decadent banana bread brownies with rich frosting blend two classic favorites into one irresistible treat.
Ingredients
- 1–1/2 cups granulated sugar (300 g)
- 1 cup plain Greek yogurt (240 g)
- 1/2 cup butter softened (115 g)
- 2 large eggs
- 3–4 ripe bananas mashed (about 1.5 cups)
- 2 teaspoons vanilla bean paste (10 ml)
- 2 cups all-purpose flour (240 g)
- 1 teaspoon baking soda (5 g)
- 3/4 teaspoon salt (4 g)
- 4 Tablespoons butter (57 g)
- 2 cups powdered sugar (240 g)
- 1 teaspoon vanilla bean paste (5 ml)
- 1–2 Tablespoons milk (15–30 ml)
Instructions
- Preheat oven to 375 degrees F (190 C) and grease a 9×13 inch pan with non-stick cooking spray.
- In a large bowl, cream together the sugar and butter. Beat in the Greek yogurt and eggs, mashed bananas and vanilla bean paste.
- Add the flour, baking soda, salt, and mix just until moistened. Stir in walnuts, if using.
- Spread batter evenly into prepared pan and bake for 23-28 minutes or until a toothpick inserted in the center comes out clean, or with few crumbs.
- Make frosting while the bars bake: Melt butter in saucepan over medium heat until golden brown (watch carefully). Cool slightly.
- Beat browned butter with powdered sugar, vanilla bean paste, and milk until smooth. Spread over cooled brownies.
Notes
- Very ripe bananas with brown spots yield the sweetest results.
- Measure flour correctly using spoon-and-level method for best texture.
- Cool brownies completely before frosting for neat slices.
- Prep Time: 10 min
- Cook Time: 25 min
- Category: Main Course
- Method: Baked
- Cuisine: American
Nutrition
- Calories: 254 kcal
- Sugar: 24 g
- Sodium: 268 mg
- Fat: 9 g
- Carbohydrates: 39 g
- Fiber: 1 g
- Protein: 4 g
Ingredients and Substitutions
This adaptable recipe works well with various substitutions. Our recommendations ensure your brownies turn out perfectly every time.
Base Components
- Granulated sugar: Substitute coconut sugar for a less processed option
- Greek yogurt: Use sour cream or dairy-free yogurt alternatives
- Butter: Swap with coconut oil or plant-based butter
- Eggs: Replace with flax eggs for vegan versions
Flavor Enhancers
- Bananas: Must be very ripe for natural sweetness
- Vanilla bean paste: Provides alcohol-free flavoring
- Walnuts: Optional add-in for crunch (see variations)
Flour Mixture
- All-purpose flour: Gluten-free blends work beautifully
- Baking soda: Necessary for proper rise – do not substitute
- Salt: Enhances all flavors – use sea salt or kosher salt

How to Make Banana Bread Brownies
Follow these straightforward steps for perfect bars every time. Preheat your oven to 375°F (190°C) and thoroughly grease your 9×13 inch baking pan.
Step 1: Cream Wet Ingredients
In a large mixing bowl, beat sugar and softened butter until pale and fluffy. Add Greek yogurt and eggs one at a time, mixing thoroughly after each addition. Blend in mashed bananas and vanilla bean paste until smooth.
Step 2: Combine Dry Ingredients
Whisk flour, baking soda, and salt in a separate bowl. Gradually incorporate dry ingredients into wet mixture just until combined. Overmixing makes tough brownies – stop when no flour streaks remain. Fold in walnuts now if desired.
Step 3: Bake to Perfection
Spread batter evenly in prepared pan using a spatula. Bake 23-28 minutes until golden and a toothpick inserted near center comes out clean. Cool completely before frosting.
Step 4: Prepare Frosting
Melt butter in a saucepan over medium heat, swirling constantly until golden brown (watch carefully to prevent burning). Cool slightly, then beat with powdered sugar, vanilla bean paste, and milk until smooth. Adjust milk as needed for spreadable consistency.
Pro Tips for Success
Apply these professional techniques for flawless results:
- Use bananas with significant brown spots for maximum sweetness
- Measure flour correctly using the spoon-and-level method
- Allow melted brown butter to cool slightly before mixing frosting
- Check brownies at 23 minutes – ovens vary considerably
- Cool brownies completely before slicing for clean edges

Flavor Variations
Customize your banana bread brownies with these tasty twists:
Nutty Crunch Addition
Fold ¾ cup chopped toasted walnuts or pecans into batter before baking. The nutty texture contrasts beautifully with the moist crumb.
Chocolate Lover’s Dream
Stir ½ cup semisweet chocolate chips into batter. For extra indulgence, sprinkle chips on frosting before it sets.
Warming Spice Version
Add 1 teaspoon cinnamon and ¼ teaspoon nutmeg to dry ingredients. The spices complement banana flavor beautifully.
Serving Suggestions
Enjoy these brownies warm or at room temperature. Pair with coffee for breakfast, serve as an afternoon snack, or present as dessert. For full meals, complement with savory main dishes.
Try serving them alongside a fresh Southwest chicken salad for a satisfying lunch contrast. They also pair wonderfully with a hearty street corn chicken rice bowl. For low-carb options, consider balancing them with our delicious high-protein steak fajita bowl.
Storage and Freezing Instructions
Keep brownies fresh with these storage methods:
Room Temperature Storage
Store in an airtight container for up to 3 days. Place parchment paper between layers if stacking.
Refrigeration Method
Refrigerate frosted brownies up to one week. Let sit at room temperature 20 minutes before serving.
Freezing Directions
Freeze unfrosted brownies up to 3 months. Wrap tightly in plastic, then foil. Thaw overnight in refrigerator before frosting.
Nutrition Facts per Serving
| Calories | Fat | Carbs | Protein | Fiber | Sugar | Sodium |
|---|---|---|---|---|---|---|
| 254 kcal | 9 g | 39 g | 4 g | 1 g | 24 g | 268 mg |
FAQs About Banana Bread Brownies
Can I use frozen bananas?
Yes! Thaw frozen bananas completely. Drain excess liquid before mashing and measuring. However, fresh ripe bananas yield best flavor.
Why did my brownies turn out dry?
Overbaking causes dryness. Check at minimum bake time. Remember, carryover cooking occurs as brownies cool in pan.
Can I make these dairy-free?
Absolutely! Substitute plant-based butter and dairy-free yogurt. Use almond or oat milk in the frosting.
How do I know when bananas are ripe enough?
Choose bananas with mostly brown peels. They should feel soft and smell strongly sweet when peeled.
Can I omit the frosting?
Certainly. Though delicious unfrosted, try drizzling with caramel or melted chocolate for extra flair.
Final Thoughts
These banana bread brownies simplify baking while delivering maximum flavor. Their moist texture and rich frosting create dessert magic from ordinary ingredients.
Whether following the classic recipe or customizing with your favorite additions, this treat satisfies every sweet craving. Share them at gatherings or enjoy as personal indulgence. Happy baking!







