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Moist Sourdough Banana Bread with Discard

Close-up of three moist slices of sourdough banana bread with visible nuts and chocolate chips on a white plate.

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Make this moist sourdough banana bread using your sourdough discard for a flavorful, tender loaf perfect for breakfast or a snack. This easy recipe transforms overripe bananas into a comforting treat.

Ingredients

Scale
  • 1 cup (227g) ripe bananas, mashed (about 3 medium)
  • 1/2 cup (113g) unsalted butter, melted
  • 3/4 cup (150g) granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 cup (120g) active sourdough discard (unfed starter)
  • 1 3/4 cups (210g) all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • 1/2 cup (85g) chopped walnuts or pecans (optional)
  • 1/2 cup (90g) chocolate chips (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9×5 inch loaf pan, or line it with parchment paper.
  2. In a large bowl, mix the mashed bananas, melted butter, sugar, egg, and vanilla extract until just combined.
  3. Stir in the sourdough discard until incorporated.
  4. In a separate medium bowl, whisk together the flour, baking soda, salt, and cinnamon.
  5. Gradually add the dry ingredients to the wet ingredients, mixing only until no streaks of flour remain. Do not overmix.
  6. Fold in the optional nuts or chocolate chips if you are using them.
  7. Pour the batter into the prepared loaf pan.
  8. Bake for 50 to 65 minutes, or until a wooden skewer inserted into the center comes out clean.
  9. Let the bread cool in the pan for 10 minutes before turning it out onto a wire rack to cool completely before slicing.

Notes

  • Using very ripe, spotty bananas provides the best natural sweetness and moisture for this quick bread recipe.
  • This recipe works well with unfed sourdough discard, making it a great no-waste baking project.
  • For a crunchy topping, sprinkle 1 tablespoon of coarse sugar over the batter before baking.

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