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Crispy Brown Butter Banana Bread Recipe with Easy Walnut Crumble Topping

crispy brown butter banana bread - featured image

A moist and flavorful banana bread featuring nutty browned butter and a crispy walnut crumble topping, perfect for any occasion and quick to make.

Ingredients

Scale
  • 3 medium ripe bananas, mashed
  • 1/2 cup (115g) unsalted butter, browned
  • 1 cup (200g) granulated sugar
  • 1/4 cup (50g) brown sugar, packed
  • 2 large eggs, room temperature
  • 1 1/2 cups (190g) all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 teaspoon vanilla extract
  • 3/4 cup (75g) chopped walnuts (for crumble topping and optional in batter)
  • 1/4 cup (50g) brown sugar (for topping)
  • 2 tablespoons (28g) unsalted butter, melted (for topping)

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9×5 inch loaf pan or line it with parchment paper.
  2. Brown the butter in a medium saucepan over medium heat, stirring frequently until it foams and turns golden brown with a nutty aroma (about 4-6 minutes). Remove from heat and let cool slightly.
  3. In a large bowl, mash the bananas until mostly smooth but still a bit chunky. Stir in the browned butter, granulated sugar, brown sugar, eggs, and vanilla extract until combined. Do not overbeat.
  4. In a separate bowl, whisk together the flour, baking soda, and salt.
  5. Gently fold the dry ingredients into the wet banana mixture in batches, avoiding overmixing. A few small lumps are fine.
  6. Optionally fold in 1/4 cup (25g) toasted chopped walnuts for extra crunch inside the bread.
  7. Prepare the walnut crumble topping by combining 3/4 cup (75g) chopped walnuts, 1/4 cup (50g) brown sugar, and 2 tablespoons (28g) melted butter in a small bowl. Stir until crumbly and nuts are evenly coated.
  8. Pour the batter into the prepared loaf pan and spread evenly. Sprinkle the walnut crumble topping liberally over the batter.
  9. Bake for 55 to 65 minutes or until a toothpick inserted in the center comes out clean or with a few moist crumbs. If the topping browns too quickly, tent loosely with foil during the last 10 minutes.
  10. Let the bread cool in the pan for 15 minutes, then transfer to a wire rack to cool completely before slicing.

Notes

Use a light-colored pan to brown butter to easily monitor color change. Avoid overmixing the batter to keep bread tender. Toast walnuts beforehand for enhanced flavor. Tent with foil if topping browns too fast. Let bread cool completely to avoid sogginess.

Nutrition

Keywords: banana bread, brown butter, walnut crumble, quick bread, easy dessert, moist banana bread, crunchy topping