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+ servings
Prep Time 5 minutes
Cook Time 20 minutes
Total Time 25 minutes
Servings 12 servings
Calories 116 kcal

Ingredients
 

  • 4 medium ripe bananas
  • 9 tablespoons unsalted butter melted
  • cup unsweetened cocoa powder
  • 1 teaspoon baking powder

For decor:

  • unsalted peanuts roughly chopped
  • powdered sugar for dusting, optional

Instructions
 

  • Peel the bananas and place them in a large mixing bowl.
    Peeled bananas in a mixing bowl ready to be mashed
  • First mash the bananas lightly with a fork, then blend or mix them until you get a smooth banana puree with no large chunks.
    Mashed bananas being blended into a smooth puree in a bowl
  • Melt the butter, pour it over the banana puree, and mix until fully combined.
    Melted butter being poured into a bowl of banana puree
  • Add the unsweetened cocoa powder to the bowl and mix until the color is evenly chocolatey.
    Cocoa powder added on top of banana and butter mixture
  • Sprinkle in the baking powder and mix again so it is evenly distributed throughout the batter.
    Baking powder being sprinkled into chocolate banana batter
  • Use a hand mixer or whisk to beat the mixture until the batter looks smooth and homogeneous, with no visible streaks.
    Smooth chocolate batter being mixed in a glass bowl
  • Line a baking pan with parchment paper, pour in the batter, and spread it out in an even layer with a spatula.
    Brownie batter spread evenly in a parchment-lined baking pan
  • If you like extra crunch, sprinkle the top with chopped peanuts before baking.
    Brownie batter topped with chopped peanuts before baking
  • Bake in a preheated oven at 350°F (180°C) for about 18–20 minutes, until the edges are set but the center is still slightly soft.
    Banana peanut brownie baking in the oven
  • Let the brownie cool completely, then, if desired, dust the top with powdered sugar before slicing and serving.
    Baked banana peanut brownie dusted with powdered sugar and sliced

Notes

  1. This recipe relies on the natural sweetness of ripe bananas, so there is no extra sugar in the batter apart from the optional powdered sugar on top.
  2. Use very ripe bananas for the best flavor and texture; they should mash easily and have a strong banana aroma.
  3. Do not overbake the brownie, as it can become dry; it should stay slightly soft in the center and firm up as it cools.
  4. You can mix the nuts into the batter instead of only sprinkling them on top if you prefer more crunch in every bite.
  5. For a dairy-free version, you can experiment with plant-based butter, but the texture may be slightly different from the original.
  6. Let the brownie cool completely before slicing to avoid crumbling and to get clean, neat squares.

Nutrition

Serving: 1serving | Calories: 116kcal | Carbohydrates: 10g | Protein: 1g | Fat: 9g | Saturated Fat: 6g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 2g | Trans Fat: 0.3g | Cholesterol: 23mg | Sodium: 37mg | Potassium: 180mg | Fiber: 2g | Sugar: 5g | Vitamin A: 288IU | Vitamin C: 3mg | Calcium: 27mg | Iron: 0.5mg
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