banana zebra bread 2
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Banana Zebra Bread Loaf

Course Dessert
Cuisine American
Prep Time 10 minutes
Cook Time 50 minutes
Total Time 1 hour
Servings 10


  • 6 tablespoon oil
  • ½ cup sugar
  • 2 large eggs
  • 1 cup mashed banana
  • 1 teaspoon vanilla
  • 1 cup all-purpose flour
  • 2 teaspoon baking powder
  • ½ teaspoon baking soda
  • Pinch of salt
  • 3 tablespoon sour cream
  • 1 ½ tablespoon unsweetened cocoa powder


  • Preheat oven to 350F/180C. Line a baking pan 9 x 5 x 3 inch with parchment paper.
  • In a bowl, whisk together flour, salt, baking powder, and baking soda. Keep aside.
  • In a different bowl add the rest of ingredients (except cocoa powder) and whisk until well combined.
  • Add the flour and mix gently.
  • Transfer ¾ of the batter to another bowl and sift in the cocoa powder. Whisk until well combined but do not overmix.
  • Take ¼ cup from the plain batter and pour in the middle of the previously prepared pan.
  • Pour ¼ cup from the cocoa batter in the center of the plain batter that’s in the pan.
  • Pour ¼ cup from the plain batter in the center of the cocoa batter you’ve just poured in the pan, keep repeating this step alternating between batters.
  • Place the pan on the middle rack and bake for 50 minutes or until a toothpick inserted in the middle comes out clean.
  • Keep the cake in the pan for 5 minutes, then transfer to a cooling rack.