Banana Bread Bars Recipe

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Brayden Rhodes Modified: March 25, 2022
Banana Bread Bars Recipe

How To Make Banana Bread Bars

Get both cake and loaf textures in these banana bread bars! It’s made from bananas and sour cream for a fluffy finish, topped with a brown butter frosting.

Preparation: 10 minutes
Cooking: 25 minutes
Total: 35 minutes



  • cupssugar
  • 1cupsour cream
  • ½cupbutter,softened
  • 2eggs
  • cupsripe bananas,(3 to 4 bananas)
  • 2tspvanilla extract
  • 2cupsall purpose flour
  • 1tspbaking soda
  • ¾tspsalt
  • ½cupwalnuts,chopped, optional

For Brown Butter Frosting:

  • ½cupbutter
  • 4cupspowdered sugar
  • tspvanilla extract
  • 3tbspmilk


  1. Heat oven to 375 degrees F. Grease and flour 15×10-inch jelly roll pan. For the bars, in a large bowl, beat together sugar, sour cream, butter, and eggs until creamy. Blend in bananas and vanilla extract.

  2. Add flour, baking soda, salt, and blend for 1 minute. Stir in walnuts.

  3. Spread batter evenly into pan. Bake for 20 to 25 minutes or until golden brown.

Brown Butter Frosting:

  1. Heat butter in a large saucepan over medium heat until boiling. Let the butter turn a delicate brown and remove from heat immediately.

  2. Add powdered sugar, vanilla extract, and milk. Whisk together until smooth. It should be thicker than a glaze but thinner than frosting.

  3. Using a spatula, spread the brown butter frosting over the warm bars.

  4. Serve and enjoy.


  • Calories: 273.58kcal
  • Fat: 10.18g
  • Saturated Fat: 6.15g
  • Trans Fat: 0.31g
  • Monounsaturated Fat: 2.64g
  • Polyunsaturated Fat: 0.53g
  • Carbohydrates: 44.63g
  • Fiber: 0.71g
  • Sugar: 34.54g
  • Protein: 2.06g
  • Cholesterol: 38.84mg
  • Sodium: 137.50mg
  • Calcium: 19.84mg
  • Potassium: 95.02mg
  • Iron: 0.63mg
  • Vitamin A: 88.65µg
  • Vitamin C: 1.51mg
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