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Rich Chocolate Banana Bread

A super-moist banana bread swirled with rich cocoa and studded with melty chocolate chunks. Deeply flavorful, tender, and perfect for breakfast, snack, or dessert.
Prep Time 15 minutes
Cook Time 1 hour
1 hour 15 minutes
Servings 10 slices

Ingredients
  

  • 3 ripe bananas mashed
  • ½ cup 100 g granulated sugar
  • ½ cup 100 g brown sugar
  • ½ cup 115 g melted butter or neutral oil
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ¼ cup 60 g sour cream or Greek yogurt (optional but recommended)
  • 1 cup 125 g all-purpose flour
  • ½ cup 45 g unsweetened cocoa powder
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • ¾ cup 130 g chocolate chips or chopped dark chocolate
  • Optional: 1 banana sliced lengthwise, for topping
  • Optional: 1 tablespoon raw sugar for topping

Instructions
 

  • Preheat oven to 350°F (175°C). Grease or line a 9x5 loaf pan.
  • In a large bowl, mash bananas. Add both sugars, butter, eggs, vanilla, and sour cream. Whisk until combined.
  • In a separate bowl, sift together flour, cocoa powder, baking soda, and salt.
  • Fold dry ingredients into wet mixture until just combined. Do not overmix.
  • Stir in chocolate chips or chunks.
  • Pour batter into loaf pan and smooth the top. Add banana slices and sprinkle with sugar if desired.
  • Bake for 55–65 minutes, or until a toothpick comes out mostly clean with a few moist crumbs.
  • Cool in pan for 15 minutes, then on a rack until completely cool.

Notes

Substitute whole wheat flour for half of the flour for a nuttier flavor.
Add nuts, peanut butter chips, or swirl in Nutella for variation.
Best enjoyed within 3 days or frozen for long-term storage.