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If you have ever found yourself torn between the comfort of a banana loaf and the indulgent, fudgy texture of a brownie, these Banana Bread Brownies (often called Banana Blondies) are the answer. Unlike traditional banana bread, which is airy and cake-like, these brownies are intentionally dense, chewy, and rich. They take the natural sweetness of overripe bananas and pair it with a buttery, brown-sugar base to create a dessert that is a total game-changer.

The beauty of this moist banana brownie recipe is the “sleuthful” way it concentrates flavor. By baking the batter in a square pan rather than a deep loaf tin, you achieve a higher ratio of chewy edges to soft center. Finished with a simple browned butter frosting or studded with chocolate chips, these bars are a high-impact way to use up those last few brown bananas on your counter.
Table of Contents
Why You’ll Love This Recipe
- Dense & Fudgy: Skips the leavening agents of bread to achieve a decadent, brownie-like consistency.
- Caramel Notes: Uses brown sugar and melted butter to create a rich, toffee-like flavor that complements the bananas.
- Handheld Convenience: Perfectly portioned bars that are sturdier than a slice of bread—ideal for lunchboxes or parties.
- No Mixer Needed: A simple one-bowl recipe that comes together in minutes.
Ingredients
- ½ cup Unsalted Butter, melted and slightly browned
- 1 cup Light Brown Sugar, packed
- 1 Large Egg, room temperature
- 1 tsp Pure Vanilla Extract
- 1 cup Mashed Ripe Bananas (about 2 medium bananas)
- 1 cup All-purpose Flour
- ½ tsp Salt
- ½ tsp Ground Cinnamon
- Optional: ½ cup Semi-sweet Chocolate Chips or Chopped Walnuts

Instructions
1. Preparation
Preheat your oven to 350°F (175°C). Grease an 8×8-inch square baking pan and line it with parchment paper for easy removal.
2. The Butter and Sugar Base
In a large bowl, whisk together the melted (and ideally browned) butter and brown sugar until smooth. The brown butter adds a nutty depth that makes these brownies stand out.
3. Add the “Banana Bread” Elements
Whisk in the egg and vanilla extract until well combined, then stir in the mashed bananas.
4. Fold in Dry Ingredients
Gently fold in the flour, salt, and cinnamon with a spatula. Stop mixing as soon as no flour streaks remain. If you’re adding chocolate chips or nuts, fold them in now.
5. Bake to Fudgy Perfection
Spread the batter evenly into the prepared pan. Bake for 25–30 minutes. Pro Tip: Do not overbake! A toothpick inserted into the center should come out with a few moist crumbs, not clean. This ensures they stay fudgy.
6. Cool and Slice
Let the brownies cool completely in the pan before lifting them out by the parchment paper. This allows the structure to set so you get clean, sharp edges when slicing.

Expert Tips for Success
- Brown the Butter: For an extra layer of flavor, cook the butter in a skillet until it turns golden brown and smells nutty before adding it to the sugar.
- The “Mash” Matters: For a true brownie texture, mash your bananas until they are very smooth. Large chunks can lead to pockets of moisture that break up the fudgy crumb.
- Avoid Over-mixing: Once the flour is added, mix only until just incorporated to keep the brownies chewy rather than tough.
- Room Temperature Egg: A cold egg can cause your melted butter to seize. A quick 5-minute soak in warm water will bring a cold egg to the right temp.
Variations
- Cream Cheese Swirl: Dollop 4 oz of sweetened cream cheese over the batter and swirl with a knife before baking for a “Cheesecake Banana Brownie.”
- Double Chocolate: Add ¼ cup of cocoa powder to the dry ingredients for a rich, dark chocolate banana experience.
- Peanut Butter Marble: Warm up ¼ cup of creamy peanut butter and drizzle it over the top before baking.
- Salted Caramel: Drizzle with sea salt caramel sauce immediately after taking them out of the oven.
FAQ: Banana Bread Brownies
Q: Are these the same as Banana Blondies? A: Yes. They are often used interchangeably. Both refer to a dense, fudgy bar that uses brown sugar and bananas without cocoa powder.
Q: Why are my brownies cakey? A: This usually happens if you add baking powder or baking soda, or if you over-beat the eggs. This recipe omits leavening to ensure a dense, fudgy texture.
Q: How do I store these? A: Store in an airtight container at room temperature for up to 3 days or in the fridge for up to a week. They are actually incredible when eaten cold!
Q: Can I freeze them? A: Absolutely. Wrap individual squares in plastic wrap and store in a freezer bag for up to 3 months.

Banana Bread Brownies (Banana Blondies)
Equipment
- 8×8-inch baking pan
- Mixing bowl
- Whisk
- Spatula
- Oven
Ingredients
- 0.5 cup unsalted butter, melted and lightly browned
- 1 cup light brown sugar, packed
- 1 large egg, room temperature
- 1 tsp pure vanilla extract
- 1 cup mashed ripe bananas (about 2 medium)
- 1 cup all-purpose flour
- 0.5 tsp salt
- 0.5 tsp ground cinnamon
- 0.5 cup semi-sweet chocolate chips or chopped walnuts (optional)
Instructions
- Preheat oven to 350°F (175°C). Grease an 8×8-inch baking pan and line with parchment paper, leaving an overhang.
- In a large bowl, whisk together the melted (and browned) butter and brown sugar until smooth.
- Whisk in the egg and vanilla extract, then stir in the mashed bananas until fully combined.
- Fold in the flour, salt, and cinnamon just until no dry streaks remain. Gently fold in chocolate chips or nuts if using.
- Spread batter evenly into the prepared pan and smooth the top.
- Bake for 25–30 minutes, until the edges are set and a toothpick inserted in the center comes out with moist crumbs.
- Cool completely in the pan before lifting out and slicing into bars.