Moist Banana Bars with Browned Butter Frosting

Indulge in the irresistible combination of soft, moist banana bars topped with a rich, nutty browned butter frosting. These bars are perfect for dessert, a snack, or even a sweet breakfast treat. The natural sweetness of ripe bananas paired with the unique flavor of browned butter creates a delightful treat that’s sure to please. With optional walnuts for a bit of crunch, these bars are easy to make and a fantastic way to use up overripe bananas.

Ingredients

For the Banana Bread Bars:

  • 1 ½ cups sugar
  • 1 cup sour cream
  • ½ cup unsalted butter, softened
  • 2 large eggs
  • 1 ¾ cups mashed bananas (about 3-4 ripe bananas)
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • ¾ teaspoon salt
  • ½ cup chopped walnuts (optional)

For the Browned Butter Frosting:

  • ½ cup unsalted butter
  • 3 3/4 cups powdered sugar
  • 1 teaspoon vanilla extract
  • About 3 tablespoons milk or half-and-half

Instructions

  1. Preheat Oven: Preheat your oven to 350°F (175°C). Grease a 10×15-inch jelly roll pan or a 9×13-inch baking dish if you prefer thicker bars.
  2. Mix Wet Ingredients: In a large mixing bowl, combine the sugar, sour cream, and softened butter. Beat until smooth. Stir in the eggs, mashed bananas, and vanilla extract, blending everything together until fully incorporated.
  3. Combine Dry Ingredients: In a separate bowl, whisk together the flour, baking soda, and salt. Slowly incorporate the dry ingredients into the banana mixture, stirring until everything is just blended.
  4. Add Walnuts (Optional): Fold in the chopped walnuts if desired.
  5. Bake the Bars: Pour the batter into the prepared baking pan, spreading it evenly. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Once done, take the pan out of the oven and let the bars cool completely in the pan.
  6. Prepare the Browned Butter Frosting: In a small saucepan, melt the butter over medium heat. Keep cooking the butter until it turns golden brown and releases a nutty fragrance, which should take about 3-5 minutes. Be sure to monitor it closely to prevent burning. Once done, remove from heat and allow the browned butter to cool slightly. In a mixing bowl, whisk together the powdered sugar, vanilla, and browned butter. Add milk or half-and-half, one tablespoon at a time, until the frosting reaches a smooth, spreadable consistency.
  7. Frost the Bars: Spread the browned butter frosting over the cooled banana bars. Allow the frosting to set slightly before cutting into squares.

Conclusion:

These Banana Bars with Browned Butter Frosting are a delightful way to enjoy the flavor of banana bread in a convenient, frosted bar form. The browned butter frosting adds a unique, rich flavor that perfectly complements the moist banana base. These bars are easy to make and perfect for sharing at gatherings or enjoying with a cup of coffee. Each bite is sweet, nutty, and sure to please!

Moist Banana Bars with Browned Butter Frosting

Soft and moist banana bars topped with a richbrowned butter frosting—a perfect dessert for banana lovers.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dessert
Cuisine American
Servings 16 Bars
Calories 250 kcal

Ingredients
  

For the Banana Bread Bars:

  • 1 ½ cups sugar
  • 1 cup sour cream
  • ½ cup unsalted butter softened
  • 2 large eggs
  • 1 ¾ cups mashed bananas about 3-4 ripe bananas
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • ¾ teaspoon salt
  • ½ cup chopped walnuts optional

For the Browned Butter Frosting:

  • ½ cup unsalted butter
  • 3 3/4 cups powdered sugar
  • 1 teaspoon vanilla extract
  • About 3 tablespoons milk or half-and-half

Instructions
 

  • Preheat Oven: Preheat your oven to 350°F (175°C). Grease a 10×15-inch jelly roll pan or a 9×13-inch baking dish if you prefer thicker bars.
  • Mix Wet Ingredients: In a large mixing bowl, combine the sugar, sour cream, and softened butter. Beat until smooth. Stir in the eggs, mashed bananas, and vanilla extract, blending everything together until fully incorporated.
  • Combine Dry Ingredients: In a separate bowl, whisk together the flour, baking soda, and salt. Slowly incorporate the dry ingredients into the banana mixture, stirring until everything is just blended.
  • Add Walnuts (Optional): Fold in the chopped walnuts if desired.
  • Bake the Bars: Pour the batter into the prepared baking pan, spreading it evenly. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Once done, take the pan out of the oven and let the bars cool completely in the pan.
  • Prepare the Browned Butter Frosting: In a small saucepan, melt the butter over medium heat. Keep cooking the butter until it turns golden brown and releases a nutty fragrance, which should take about 3-5 minutes. Be sure to monitor it closely to prevent burning. Once done, remove from heat and allow the browned butter to cool slightly. In a mixing bowl, whisk together the powdered sugar, vanilla, and browned butter. Add milk or half-and-half, one tablespoon at a time, until the frosting reaches a smooth, spreadable consistency.
  • Frost the Bars: Spread the browned butter frosting over the cooled banana bars. Allow the frosting to set slightly before cutting into squares.
Keyword Banana bars

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