Banana Bread Bars with Brown Butter Frosting

Ingredients

• 1 teaspoon baking soda 
• 1.8 cups bananas ripe mashed
• 0.5 cup butter 
• 4 cups confectioners' sugar 
• 2  eggs 
• 2 cups flour all-purpose
• 3 tablespoons milk 
• 0.8 teaspoon salt 
• 1 cup cup heavy whipping cream sour
• 1.5 teaspoons vanilla extract 
• 1.5 cups sugar white

Equipment

• bowl
• frying pan
• sauce pan
• oven
• whisk
• hand mixer

Directions

1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 15x10-inch jelly roll pan.
2. Beat white sugar, sour cream, 1/2 cup softened butter, and eggs in a bowl with an electric mixer until creamy. Beat in bananas and 2 teaspoons vanilla extract.
3. Add flour, baking soda, and salt; mix for 1 minute. Stir walnuts into batter until evenly incorporated.
4. Spread batter in prepared pan.
5. Bake in the preheated oven until golden, about 27 minutes. Cool.
6. Melt 1/2 cup butter in a large saucepan over medium heat until bubbling and golden brown, 3 to 5 minutes.
7. Remove from heat.
8. Whisk confectioners' sugar, milk, and vanilla extract into melted butter until a smooth frosting consistency is reached.
9. Spread frosting over cooled banana bars.