Hey y'all! If you love the warm comfort of banana bread and the rich, fudgy decadence of brownies, you're about to fall head over heels for these banana Bread Brownie Bars. This crave-worthy mashup offers the best of both worlds—perfect for family gatherings, lunchbox treats, afternoon pick-me-ups, or anytime you want a slice of pure happiness. Ready to whip up a dessert that'll disappear in no time? Let's get cooking!
Why You'll Love This
- Ultra-moist texture with the perfect balance of banana and chocolate flavors.
- Easy, one-bowl recipe that requires minimal effort and cleanup.
- No fancy equipment or special ingredients needed—just pantry staples.
- Versatile—enjoy for breakfast, dessert, or a sweet snack.
- Keeps well for days and is perfect for sharing or gifting.
Ingredients
- 1 cup ripe bananas (about 2 large), mashed
- ½ cup unsalted butter, melted and slightly cooled
- ¾ cup light brown sugar, packed
- ¼ cup granulated sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1 cup all-purpose flour
- ½ teaspoon baking powder
- ¼ teaspoon baking soda
- ¼ teaspoon salt
- ⅓ cup unsweetened cocoa powder
- ½ cup semisweet chocolate chips
- Optional: ⅓ cup chopped walnuts or pecans, for crunch
Directions
Prep Your Pan & Oven
- Preheat your oven to 350°F (175°C). Line an 8x8-inch baking pan with parchment paper, leaving an overhang for easy removal, and lightly grease.
Mix Wet Ingredients
- In a large mixing bowl, combine mashed bananas, melted butter, brown sugar, granulated sugar, egg, and vanilla extract. Whisk until smooth and well blended.
Combine Dry Ingredients
- In a separate bowl, whisk together flour, baking powder, baking soda, and salt. Add the dry mix to the banana mixture and gently fold until just combined.
Make the Brownie Swirl
- Divide the batter in half. Into one half, sift in the cocoa powder and fold in the chocolate chips (and nuts, if using) to make the brownie layer.
Layer & Swirl
- Spoon alternate dollops of banana bread batter and brownie batter into the prepared pan. Use a knife to gently swirl the two batters for a marbled effect. Smooth the top.
Bake to Perfection
- Bake on the center rack for 30-35 minutes, or until a toothpick inserted in the center comes out with just a few moist crumbs attached.
Cool & Serve
- Let cool in the pan for 15 minutes, then lift out using the parchment overhang and cool completely on a wire rack before slicing into bars.
Prep time: 15 minutes
Cook time: 30-35 minutes
Total time: 50 minutes
Notes
- Overripe bananas work best—they make the bars extra moist and sweet.
- Don't over-mix your batter once the flour is added; this keeps the bars tender.
- If you prefer a gooier texture, bake at the lower end of the recommended time.
Variations
- Peanut Butter Swirl: Add dollops of peanut butter to the top before baking and swirl for a nutty twist.
- Double Chocolate: Swap semisweet for dark chocolate chips, or add white chocolate chunks for extra indulgence.
- Gluten-Free: Use a 1:1 gluten-free flour blend in place of all-purpose flour.
Required Equipment
- 8x8-inch baking pan
- Parchment paper
- Large mixing bowl
- Medium mixing bowl
- Whisk
- Rubber spatula
- Wire rack
Storage Instructions
- Store Banana Bread Brownie Bars in an airtight container at room temperature for up to 3 days.
- For longer storage, refrigerate for up to 5 days or freeze, tightly wrapped, for 2 months. Thaw before serving.
Suggested Pairings & Serving Recommendations
- Enjoy with a hot mug of coffee or a cold glass of milk for a cozy treat.
- Top with a scoop of vanilla ice cream for an indulgent dessert.
- Drizzle with chocolate sauce or a sprinkle of powdered sugar before serving.
Pro Tips
- Use bananas with plenty of brown spots—they deliver the richest flavor.
- Line your pan for easy bar removal and clean edges.
- If your brownies seem underbaked, allow them to cool completely—they will set as they cool.
FAQ
Can I use frozen bananas?
Yes! Just thaw, drain excess liquid, and mash before adding.
How can I make this recipe dairy-free?
Swap butter for coconut oil or a vegan butter substitute, and be sure to use dairy-free chocolate chips.
Do I have to swirl the batters?
Nope! You can simply layer the banana and brownie mixtures for a more defined pattern, or marble as directed for a beautiful swirl effect.
Ingredients
- 1 cup ripe bananas (about 2 large), mashed
- ½ cup unsalted butter, melted and slightly cooled
- ¾ cup light brown sugar, packed
- ¼ cup granulated sugar
- 1 large egg
- 1 teaspoon vanilla extract
- 1 cup all-purpose flour
- ½ teaspoon baking powder
- ¼ teaspoon baking soda
- ¼ teaspoon salt
- ⅓ cup unsweetened cocoa powder
- ½ cup semisweet chocolate chips
- Optional: ⅓ cup chopped walnuts or pecans, for crunch
Instructions
-
1Preheat your oven to 350°F (175°C). Line an 8x8-inch baking pan with parchment paper, leaving an overhang for easy removal, and lightly grease.
-
2In a large mixing bowl, combine mashed bananas, melted butter, brown sugar, granulated sugar, egg, and vanilla extract. Whisk until smooth and well blended.
-
3In a separate bowl, whisk together flour, baking powder, baking soda, and salt. Add the dry mix to the banana mixture and gently fold until just combined.
-
4Divide the batter in half. Into one half, sift in the cocoa powder and fold in the chocolate chips (and nuts, if using) to make the brownie layer.
-
5Spoon alternate dollops of banana bread batter and brownie batter into the prepared pan. Use a knife to gently swirl the two batters for a marbled effect. Smooth the top.
-
6Bake on the center rack for 30-35 minutes, or until a toothpick inserted in the center comes out with just a few moist crumbs attached.
-
7Let cool in the pan for 15 minutes, then lift out using the parchment overhang and cool completely on a wire rack before slicing into bars.
Approximate Information for One Serving
Nutrition Disclaimers
Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.
Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.
To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.
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