How to Make Banana Bread Bars with Brown Butter Frosting - A Step-by-Step Guide

There's something magical about the combination of ripe bananas and sweet, nutty brown butter. And when you add in a decadent frosting and bake it all up into a bar form, you've got yourself a treat that's hard to resist. These Banana Bread Bars with Brown Butter Frosting are a delicious twist on the classic banana bread, perfect for when you want a portable, easy-to-eat snack that still delivers all the comforting flavors of the original.

These bars start with a simple banana bread b...

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Ingredients

  • 1 ½ cups white sugar
  • 1 cup sour cream
  • ½ cup butter, softened
  • 2 large eggs
  • 1 ¾ cups mashed ripe bananas
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • ¾ teaspoon salt
  • ½ cup chopped walnuts (Optional)
  • ½ cup butter
  • 4 cups confectioners' sugar
  • 3 tablespoons milk
  • 1 ½ teaspoons vanilla extract

Information

  • Prep Time: 15 mins
  • Cook Time: 30 mins
  • Total Time: 45 mins
  • Servings: 12

  • Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 15x10-inch jelly roll pan.
  • Make bars: Beat together white sugar, sour cream, softened butter, and eggs in a large bowl with an electric mixer until creamy. Beat in mashed bananas and vanilla. Add flour, baking soda, and salt; mix for 1 minute. Stir in walnuts until evenly incorporated. Spread in the prepared pan.
  • Bake in the preheated oven until golden and a toothpick inserted into the center comes out clean, about 27 minutes. Place on a wire rack to cool lcompletely.
  • Make frosting: Melt butter in a large saucepan over medium heat until bubbling and golden brown, 3 to 5 minutes. Remove from heat. Whisk in confectioners' sugar, milk, and vanilla until smooth.
  • Spread frosting over cooled banana cake. Cut into bars.
  • Nutrition

    583 cal.

    • Total Fat: 24g
    • Saturated Fat: 13g
    • Cholesterol: 80mg
    • Sodium: 384mg
    • Total Carbohydrate: 90g
    • Dietary Fiber: 2g
    • Total Sugars: 69g
    • Protein: 5g
    • Vitamin C: 3mg
    • Calcium: 46mg
    • Iron: 1mg
    • Potassium: 214mg