Best Banana Brownies Recipe

Fudgy banana brownies sliced in a pan, rich and moist with banana swirls.
These fudgy banana brownies are a rich, moist twist on a classic dessert.

Banana Brownies Recipe ideas usually appear when your counter fills up with spotted bananas that no one wants to eat. However, this recipe turns those forgotten fruits into a rich, fudgy dessert that feels special yet simple. Over the years, I have tested many brownie variations, and yet this one stands out because it brings both comfort and practicality together in one pan.

Why This Banana Brownies Recipe Works

  • Ripe bananas naturally sweeten the batter, which means you can reduce refined sugar.
  • The mashed bananas add moisture; therefore, the brownies stay soft for days.
  • Cocoa powder and chocolate chips provide rich chocolate flavor without needing melted chocolate.
  • The one-bowl method saves time and reduces cleanup.
  • This recipe freezes well; therefore, you can bake ahead for busy weeks.

Banana Brownies Recipe

Recipe at a Glance

Prep TimeCook TimeTotal TimeServingsCuisineDifficulty
10 mins30 mins40 mins9 squaresAmericanEasy

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USA Pan Bakeware Nonstick Square Cake Pan

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Banana Brownies Recipe Ingredients

IngredientAmountPurpose
Ripe bananas, mashed2 largeMoisture and sweetness
Cocoa powder½ cupChocolate flavor
All-purpose flour¾ cupStructure
Brown sugar½ cupSweetness and depth
Eggs2Binding
Melted butter⅓ cupRichness
Vanilla extract2 tspFlavor
Baking soda½ tspLift
Salt¼ tspBalance
Chocolate chips½ cupExtra fudginess
Flat-lay of banana brownie ingredients on wooden countertop
Simple, fresh ingredients are the key to these rich and fudgy banana brownies!

Ingredient Tips or Substitutes

  • Applesauce can replace half of the butter if you want a lighter version.
  • Almond flour works for gluten-free brownies; however, you may need to add a tablespoon of milk for moisture.
  • Dark chocolate chunks can replace chocolate chips for deeper flavor.

Recipe Instructions

  1. Preheat your oven to 350°F and line an 8×8-inch pan with parchment paper.
  2. In a large bowl, mash the bananas until mostly smooth.
  3. Add melted butter, brown sugar, eggs, and vanilla. Stir until combined.
  4. In the same bowl, sprinkle in flour, cocoa powder, baking soda, and salt.
  5. Fold gently until no dry spots remain. Do not overmix, because that can make brownies dense.
  6. Stir in chocolate chips.
  7. Spread the batter evenly in the prepared pan.
  8. Bake for 28 to 32 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
  9. Cool completely on a rack before slicing.
Four-step composite showing banana brownie preparation

Chef’s Tips and Variations

For extra fudgy brownies, remove the pan from the oven when the center still looks slightly soft. On the other hand, if you prefer firmer brownies, bake for three more minutes.

You can also swirl peanut butter on top before baking. In addition, chopped walnuts add crunch. If you want a dairy-free version, coconut oil replaces butter easily. Therefore, this recipe adapts well to many dietary needs.

Top-down view of banana brownies baked in an 8-inch USA Pan square pan

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Nutrition Information

NutrientPer Serving
Calories210
Carbohydrates30 g
Sugar15 g
Fat9 g
Protein3 g
Fiber2 g
Sodium170 mg

FAQs About Banana Brownies Recipe

Can I add bananas to boxed brownie mix?

Yes, you can, but it will change the texture and baking time. For one standard box mix:
– Mash 1 ripe banana (about ½ cup).
Reduce the water or oil in the mix by about 2 tablespoons to account for the banana’s moisture.
– Mix the mashed banana into the batter.
The result will be a cakier, denser brownie with a subtle banana flavor.

What is the secret to making good brownies?

The secret is avoiding overmixing and overbaking.
1- Mix Gently: Once you add the flour, mix only until just combined. Overmixing develops gluten, making brownies tough and cakey instead of fudgy.
2- Don’t Overbake: Brownies continue to cook in the hot pan. Pull them out when a toothpick inserted has a few moist crumbs attached, not when it’s clean. This guarantees a fudgy center.

What kind of bananas are best for brownies?

Use very ripe, spotted bananas (the same as for banana bread). They are sweeter, mash easily, and provide the strongest banana flavor. Avoid green or just-yellow bananas, as they are starchy and lack sweetness.

The Sweetest Way to Use Ripe Bananas

This Best Banana Brownies Recipe proves that simple ingredients can create bakery-quality desserts at home. Because the recipe is quick and flexible, it fits into busy schedules while still delivering rich chocolate flavor. Therefore, the next time you spot overripe bananas on your counter, turn them into brownies that everyone will request again and again.


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