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Brown Butter Banana Bread Recipe with Crunchy Walnut Streusel

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A cozy banana bread featuring nutty brown butter and a crunchy walnut streusel topping, perfect for a comforting homemade treat.

Ingredients

Scale
  • 3 ripe bananas, mashed
  • 1/2 cup (115g) unsalted butter, browned and cooled slightly
  • 3/4 cup (150g) granulated sugar
  • 1/4 cup (60ml) plain Greek yogurt or sour cream
  • 2 large eggs, room temperature
  • 1 teaspoon pure vanilla extract
  • 1 3/4 cups (220g) all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon fine sea salt
  • 1/2 teaspoon ground cinnamon (optional)
  • For the Walnut Streusel Topping:
  • 1/2 cup (60g) chopped walnuts
  • 1/4 cup (50g) brown sugar, packed
  • 2 tablespoons unsalted butter, melted
  • 1/4 cup (30g) all-purpose flour
  • Pinch of salt

Instructions

  1. Preheat your oven to 350°F (175°C) and grease your 9×5-inch loaf pan with butter or non-stick spray. Line the bottom with parchment paper if desired.
  2. Brown the butter: Place 1/2 cup unsalted butter in a small skillet over medium heat. Stir frequently until it melts, foams, and turns golden brown with nutty aroma (about 5-7 minutes). Remove from heat and let cool slightly.
  3. Mix wet ingredients: In a large bowl, combine mashed bananas, browned butter, sugar, Greek yogurt, eggs, and vanilla extract. Whisk until smooth and well blended.
  4. Combine dry ingredients: In a separate bowl, sift together flour, baking soda, salt, and cinnamon (if using).
  5. Fold dry ingredients into wet mixture gently with a spatula until just combined. Avoid overmixing. Optionally fold in chopped walnuts or chocolate chips.
  6. Prepare walnut streusel: In a small bowl, mix chopped walnuts, brown sugar, melted butter, flour, and a pinch of salt until crumbly.
  7. Pour batter into loaf pan and evenly sprinkle walnut streusel on top, gently pressing it into the batter.
  8. Bake for 55-65 minutes or until a toothpick inserted in the center comes out clean or with a few moist crumbs. Tent with foil if streusel browns too quickly.
  9. Cool in the pan for 15 minutes, then transfer to a wire rack to cool completely before slicing.

Notes

Keep heat medium or medium-low when browning butter to avoid burning. Stir constantly and remove from heat once golden brown with nutty aroma. Avoid overmixing batter to keep bread tender. Toast walnuts before mixing for extra flavor. Tent loaf with foil if streusel browns too quickly. Bread slices beautifully after chilling overnight.

Nutrition

Keywords: banana bread, brown butter, walnut streusel, homemade, easy banana bread, moist banana bread, crunchy topping, comfort food