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A square piece of banana cake with light brown frosting on a white plate, next to banana slices. Reminiscent of banana bread brownies, another piece of cake and two forks are visible in the background.
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5 from 5 votes

Banana Bread Brownies

If you love banana bread, then you need to make this Banana Bread Brownies. This bread is moist, delicious, and full of banana flavor.
Prep Time10 minutes
Cook Time30 minutes
Total Time40 minutes
Course: Dessert
Cuisine: American
Servings: 20
Author: Carrie Barnard
Cost: $8.68 Recipe, $0.43 per Serving

Ingredients

For the Brownies:

  • 1 ½ cups Granulated Sugar
  • 1 cup Sour Cream
  • ½ cup Butter softened
  • 2 Large Eggs
  • 3 Ripe Bananas mashed
  • 1 Tablespoons Vanilla Extract
  • 2 cups All Purpose Flour
  • 1 teaspoon Baking Soda
  • ½ teaspoon Salt

For the Frosting:

  • 4 Tablespoons Butter
  • ¼ cup Light Brown Sugar
  • 2 cups Powdered Sugar
  • 1 teaspoon Vanilla Extract
  • ¼ cup Milk

Instructions

For the Brownies:

  • Preheat the oven to 375°F. Grease a 9x13-inch baking pan with nonstick cooking spray.
  • In a large mixing bowl, beat the softened butter and granulated sugar together until light and creamy.
  • Add the sour cream, eggs, mashed bananas, and vanilla extract. Mix until well combined.
  • Add the flour, baking soda, and salt. Mix just until combined, being careful not to overmix.
  • Spread the batter evenly into the prepared baking pan.
  • Bake for 25–30 minutes, or until a toothpick inserted into the center comes out clean.

For the Frosting:

  • While the brownies are baking, melt the butter in a large skillet over medium heat.
  • Whisk in the brown sugar and cook until the sugar dissolves and the butter begins to brown slightly.
  • Remove from heat.
  • Whisk in the powdered sugar and vanilla extract. Gradually add the milk, whisking until the frosting is smooth and reaches a pourable consistency.
  • Pour the warm frosting evenly over the warm brownies.
  • Allow the frosting to cool and set completely before slicing.
  • Cut into squares, serve, and enjoy.

Notes

Refrigerate the leftovers in an airtight container for up to 4-5 days.

Nutrition

Calories: 224kcal | Carbohydrates: 45g | Protein: 2g | Fat: 10g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.3g | Cholesterol: 42mg | Sodium: 180mg | Potassium: 109mg | Fiber: 1g | Sugar: 20g | Vitamin A: 323IU | Vitamin C: 2mg | Calcium: 25mg | Iron: 1mg
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