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Moist Zucchini Banana Bread Recipe with Easy Maple Walnut Streusel Topping

moist zucchini banana bread - featured image

A moist and flavorful zucchini banana bread with a crunchy maple walnut streusel topping, perfect for snacking or brunch. This recipe balances sweetness and spice with a tender crumb and a nutty, caramelized crunch.

Ingredients

Scale
  • 1 ½ cups all-purpose flour (190g)
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 1 teaspoon ground cinnamon
  • ½ teaspoon ground nutmeg (optional)
  • 2 large ripe bananas, mashed (about 1 cup)
  • 1 cup grated zucchini, squeezed dry (about 1 medium zucchini)
  • ½ cup granulated sugar
  • ¼ cup brown sugar, packed
  • ⅓ cup vegetable oil (or melted coconut oil)
  • 2 large eggs, room temperature
  • 1 teaspoon pure vanilla extract
  • ⅓ cup chopped walnuts, toasted
  • ¼ cup all-purpose flour (30g) for streusel
  • ¼ cup brown sugar, packed for streusel
  • 2 tablespoons unsalted butter, melted (or dairy-free butter)
  • 1 tablespoon pure maple syrup
  • ½ teaspoon ground cinnamon for streusel

Instructions

  1. Preheat your oven to 350°F (175°C) and grease your loaf pan or line it with parchment paper.
  2. Grate about 1 cup of zucchini and squeeze out excess moisture using a clean kitchen towel.
  3. Toast the chopped walnuts in a dry skillet over medium heat for 3-5 minutes until fragrant. Set aside to cool.
  4. In a medium bowl, whisk together the flour, baking soda, baking powder, salt, cinnamon, and nutmeg.
  5. In a large bowl, combine mashed bananas, grated zucchini, granulated sugar, brown sugar, oil, eggs, and vanilla extract. Whisk until smooth but do not overmix.
  6. Gradually fold the dry ingredients into the wet mixture until just combined and no flour remains.
  7. In a small bowl, mix toasted walnuts, flour, brown sugar, cinnamon, melted butter, and maple syrup until crumbly.
  8. Transfer the batter to the prepared loaf pan and sprinkle the streusel topping evenly over the batter.
  9. Bake for 55-65 minutes, checking doneness by inserting a toothpick into the center; it should come out with moist crumbs.
  10. Cool the bread in the pan for 15 minutes, then transfer to a cooling rack to cool completely.

Notes

Squeeze excess moisture from zucchini to avoid soggy bread. Toast walnuts to enhance flavor. Avoid overmixing batter to keep bread tender. Tent with foil if streusel browns too quickly. Use room temperature eggs for better texture.

Nutrition

Keywords: zucchini banana bread, maple walnut streusel, moist banana bread, easy banana bread recipe, zucchini bread, streusel topping, quick bread, healthy banana bread