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+ servings

Banana Bread Bars with Browned Butter Frosting

These lovely dessert bars are topped with a fantastic Browned Butter Frosting that's absolutely heavenly. Great way to use up overripe bananas too.
Prep Time 30 mins
Cook Time 45 mins
Total Time 1 hr 15 mins
Course Cookies, Brownies and Bars
Cuisine American
Servings 24
Calories 277 kcal



  • 2 cups UNBLEACHED all-purpose flour bleached flour toughens baked goods
  • 1 1/2 cups sugar
  • 1 stick unsalted butter softened (1/2 cup)
  • 1 cup sour cream I used ½ cup sour cream and ½ cup Greek yogurt
  • 2 large eggs
  • 4 large ripe bananas mashed with a fork
  • 2 tsp. vanilla extract
  • 3/4 tsp. salt
  • 1 tsp. baking soda
  • 1/2 cup finely diced walnuts


  • 1 stick unsalted butter (½ cup)
  • 2 tsp. vanilla extract
  • 3 cups powdered sugar
  • 3-4 tbsp. milk or half-and-half
  • 1/4 to 1/3 cup walnuts finely diced, for garnish



  • Mix sugar, butter, sour cream (Greek yogurt), eggs, vanilla, salt and baking soda with an electric mixer until smooth and well mixed.
  • Add flour, bananas and walnuts.
  • Stir with a wooden spoon until combined.
  • Spray a 9x13” glass baking dish with cooking spray.
  • Spread banana bread mixture into prepared dish.
  • Bake at 350° for about 45 minutes or until a toothpick inserted in center comes out clean.
  • Cool about 10 minutes before frosting with icing.


  • Heat the butter until boiling and slightly browned.
  • Remove from heat.
  • Add vanilla, powdered sugar and half-and-half and stir well to combine and mixture is smooth.
  • Spread over top of warm Banana Bread Bars.
  • Sprinkle finely diced walnuts over top for garnish, if desired.
  • Pat the walnuts down into the icing very gently.
  • Allow mixture to cool completely before cutting into bars.


Recipe adapted from My Life of Travels and Adventures.
© Can’t Stay Out of the Kitchen


Calories: 277kcalCarbohydrates: 41gProtein: 3gFat: 12gSaturated Fat: 6gPolyunsaturated Fat: 2gMonounsaturated Fat: 1gTrans Fat: 0.03gCholesterol: 41mgSodium: 133mgPotassium: 150mgFiber: 1gSugar: 30gVitamin A: 350IUVitamin C: 2.5mgCalcium: 30mgIron: 0.4mg
Keyword bananas, brownie, cookie, dessert, Greek yogurt, walnuts
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