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Sourdough Banana Bread

  • ohloverlyday
  • Dec 16, 2025
  • 1 min read


Sourdough discard turns this banana bread into a tangy, moist treat! Transform those old bananas into the best banana bread!


<3 Laura


Sourdough Banana Bread

Prep Cook Total Yield

15 min 1 hour 1 hr 15 min 3 loaves


1 cup butter, room temp

1 1/2 cup coconut sugar

5 eggs

5 big overripe bananas

1/2 cup sour cream

2 cups sourdough discard

2 cups all-purpose flour

2 cups whole wheat flour

4 tsp baking powder

1 tsp baking soda

pinch salt

2 cups smashed walnuts



Preheat oven to 350. Grease loaf pans.


In a stand mixer, beat butter, sugar, eggs, bananas, sour cream, and sourdough discard on high for 2 minutes.


Add remaining ingredients and beat on medium until fully combined.


Pour into loaf pans and bake for 50-60 minutes, or until toothpick inserted in center comes out clean.


Allow to cool for 10 minutes or so, slice and top with butter!

 
 
 

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