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The Ultimate Moist Zucchini Banana Bread Recipe

A close-up of a loaf of zucchini banana bread, sliced to show the moist interior with visible green zucchini shreds.

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You will bake an ultra-moist and fluffy zucchini banana bread that uses ripe bananas and fresh zucchini. This easy recipe is cinnamon spiced and perfect for breakfast or a snack.

Ingredients

Scale
  • 1 3/4 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 teaspoon ground cinnamon
  • 1/2 cup unsalted butter, softened
  • 3/4 cup granulated sugar
  • 1/2 cup packed light brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup mashed ripe bananas (about 3 medium)
  • 1 cup finely grated fresh zucchini, squeezed dry
  • 1/2 cup chopped walnuts or 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 medium bowl, whisk together the flour, baking soda, baking powder, salt, and cinnamon. Set this dry mixture aside.
  3. In a large bowl, use an electric mixer to beat the softened butter, granulated sugar, and brown sugar together until the mixture is light and fluffy, about 3 minutes.
  4. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  5. Add the mashed bananas and the squeezed, grated zucchini to the wet ingredients. Mix on low speed until just combined. Do not overmix at this stage.
  6. Gradually add the dry ingredient mixture to the wet ingredients. Mix on low speed only until the flour streaks disappear. A few small lumps are fine.
  7. If using, gently fold in the walnuts or chocolate chips.
  8. Pour the batter evenly into your prepared loaf pan.
  9. Bake for 55 to 65 minutes, or until a wooden skewer inserted into the center comes out clean or with moist crumbs attached.
  10. Let the bread cool in the pan on a wire rack for 15 minutes. Then, carefully remove the loaf from the pan and let it cool completely on the wire rack before slicing.

Notes

  • Squeeze excess moisture from the grated zucchini using paper towels or a clean kitchen towel. This step is key for a non-soggy loaf.
  • For the best flavor and moisture, use bananas that are heavily spotted or almost black.
  • If you want a crunchy topping, mix 2 tablespoons of melted butter with 1/4 cup of brown sugar and sprinkle over the batter before baking.

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