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Moist Banana Bread Bars with Peanut Butter Frosting & Nutella Drizzle


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Rate this recipe 4.3/5 (26 Votes)


  • Peanut butter frosting:
  • 1 1/2 cups sugar
  • 1 cup sour cream
  • 1/2 cup (1 stick) butter, at room temperature
  • 2 eggs, at room temperature
  • 1 3/4 cups (3-4) ripe bananas, mashed
  • 2 tsp. vanilla extract
  • 2 cups flour
  • 1 tsp. baking soda
  • 1/4 tsp. salt
  • Nutella
  • 1/2 cup butter, at room temperature
  • 1/2 cup creamy peanut butter (I used Jif)
  • 4 cups powdered sugar
  • 2 tbsps. heavy cream
  • 1/2 tsp. vanilla extract


Adapted from


Step 1

Preheat oven to 350 degrees. Grease and flour 9×12-inch glass baking pan.
In a medium bowl, sift flour, baking soda and salt together.
In a large bowl, beat together sugar, sour cream, butter and eggs until creamy. Blend in mashed bananas and vanilla extract. Add flour mixture and blend for 1 minute.
Spread batter evenly into pan. Bake 20-25 minutes, or until golden brown. Remove from oven and let cool 5 minutes.
Make frosting (recipe below) then ice banana bars. Heat desired amount of Nutella in a small bowl, then drizzle on top of bars. Serve warm or at room temperature.

Peanut butter frosting recipe:
Beat butter in a medium bowl on medium speed until light and fluffy. Beat in peanut butter, 1/2 cup of the powdered sugar, the cream and vanilla. Gradually beat in remaining 3 1/2 cups powdered sugar, beating after each addition until smooth.

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