Banana Bread Bars with Brown Butter Frosting

Ingredients

• 1.5 cups white sugar
• 1 cup sour cream
• 0.5 cups butter , softened
• 2 large eggs
• 1.75 cups mashed ripe bananas
• 2 teaspoons vanilla extract
• 2 cups all-purpose flour
• 1 teaspoon baking soda
• 0.75 teaspoons salt
• 0.5 cups chopped walnuts , Optional

Instructions

1. 1

   Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 15x10-inch jelly roll pan.

2. 2

   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.

3. 3

   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.

4. 4

   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.

5. 5

   Spread frosting over cooled banana cake. Cut into bars.