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Cozy Brown Butter Banana Zucchini Bread Recipe with Cinnamon Streusel Topping

brown butter banana zucchini bread - featured image

A moist and flavorful banana zucchini bread enhanced with nutty brown butter and topped with a crunchy cinnamon streusel. Perfect for breakfast or a comforting snack.

Ingredients

Scale
  • 1/2 cup (113g) unsalted butter, browned
  • 3 ripe bananas, mashed (about 1 1/2 cups)
  • 1 cup (120g) grated zucchini, drained
  • 3/4 cup (150g) granulated sugar
  • 1/4 cup (50g) packed light brown sugar
  • 2 large eggs, room temperature
  • 1 tsp pure vanilla extract
  • 1 1/2 cups (190g) all-purpose flour
  • 1 tsp baking soda
  • 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1 tsp ground cinnamon
  • For the Cinnamon Streusel Topping:
  • 1/3 cup (40g) all-purpose flour
  • 1/4 cup (50g) packed light brown sugar
  • 1 tsp ground cinnamon
  • 3 tbsp (42g) unsalted butter, cold and cubed
  • Pinch of salt

Instructions

  1. Brown the butter: In a small skillet over medium heat, melt 1/2 cup unsalted butter. Stir gently as it foams and turns golden brown, about 5 to 7 minutes. Remove from heat and pour into a large mixing bowl to cool slightly.
  2. Prep zucchini and bananas: Grate 1 cup zucchini finely and squeeze out excess moisture. Mash 3 ripe bananas until mostly smooth with some chunks.
  3. Mix wet ingredients: Add mashed bananas, grated zucchini, 3/4 cup granulated sugar, 1/4 cup brown sugar, 2 eggs, and 1 tsp vanilla extract to the browned butter. Stir gently until combined.
  4. Combine dry ingredients: In another bowl, whisk together 1 1/2 cups flour, 1 tsp baking soda, 1/2 tsp baking powder, 1/2 tsp salt, and 1 tsp cinnamon.
  5. Fold dry into wet: Gradually fold dry ingredients into wet mixture using a spatula until just combined. Do not overmix.
  6. Prepare streusel topping: In a small bowl, combine 1/3 cup flour, 1/4 cup brown sugar, 1 tsp cinnamon, and a pinch of salt. Add 3 tbsp cold cubed butter and blend with fingers or pastry cutter until coarse crumbs form.
  7. Assemble and bake: Pour batter into greased 9×5-inch loaf pan. Sprinkle streusel evenly on top. Bake at 350°F (175°C) for 60 to 70 minutes, checking at 55 minutes with a toothpick for doneness.
  8. Cool: Let bread cool in pan on wire rack for 15 minutes, then remove from pan and cool completely before slicing.

Notes

Brown the butter carefully to avoid burning; squeeze out zucchini moisture thoroughly to prevent soggy bread; do not overmix batter to keep bread tender; tent with foil if streusel browns too quickly; streusel topping adds signature crunch.

Nutrition

Keywords: banana bread, zucchini bread, brown butter, cinnamon streusel, quick bread, moist bread, breakfast bread, snack bread