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divine banana bread brownies

Heavenly Banana Bread Brownies

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These delectable banana bread brownies combine the moist, tender texture of banana bread with the convenient form of brownies, all topped with a rich brown butter frosting. The ripe bananas provide natural sweetness while walnuts add a satisfying crunch, creating the perfect treat for using up those spotty bananas.
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 16 brownies
Course: Dessert
Cuisine: American
Calories: 325
Ingredients Equipment Method Nutrition Notes

Ingredients
  

  • 3-4 ripe bananas mashed
  • 1/2 cup walnuts chopped
  • 1/2 cup butter softened
  • 1 cup sour cream
  • 2 eggs
  • 1 1/2 cups sugar
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 3/4 teaspoon salt
Brown Butter Frosting
  • 1/2 cup butter
  • 4 cups powdered sugar
  • 1 1/2 teaspoons vanilla extract
  • 3 tablespoons milk

Equipment

  • 15x10-inch jelly roll pan
  • Large mixing bowl
  • Saucepan

Method
 

  1. Preheat your oven to 375°F. Grease and flour a 15x10-inch jelly roll pan.
  2. In a large bowl, beat together the sugar, sour cream, softened butter, and eggs until creamy and well combined.
  3. Blend in the mashed bananas and vanilla extract until incorporated.
  4. Add the flour, baking soda, and salt to the mixture. Blend for about one minute until well combined.
  5. Gently fold in the chopped walnuts.
  6. Spread the batter evenly into the prepared pan, ensuring it reaches all corners.
  7. Bake for 20-25 minutes or until the top turns golden brown and a toothpick inserted in the center comes out clean.
  8. While the brownies are baking, prepare the brown butter frosting. Heat the butter in a large saucepan over medium heat until it begins to boil.
  9. Continue cooking, watching carefully as the butter turns a delicate brown color. Remove from heat immediately once it reaches a nutty, amber hue.
  10. Quickly whisk in the powdered sugar, vanilla extract, and milk until smooth. The consistency should be thicker than a glaze but thinner than traditional frosting.
  11. Allow the brownies to cool slightly, then spread the brown butter frosting evenly over the top.
  12. Let cool completely before cutting into squares and serving.

Nutrition

Calories: 325kcal

Notes

For the best flavor, use very ripe bananas with plenty of brown spots. The browner they are, the sweeter and more flavorful your brownies will be.
These brownies can be stored in an airtight container at room temperature for up to 3 days or refrigerated for up to a week. You can also freeze unfrosted brownies for up to 3 months.
For a variation, try substituting the walnuts with chocolate chips or dried cranberries. You can also add a teaspoon of cinnamon and a pinch of nutmeg for a warm, spiced version.

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