Banana Chocolate Marble Loaf
This Banana Chocolate Marble Loaf is the ultimate moist and soft banana bread with a stunning chocolate swirl! Made with ripe bananas, cocoa powder, yogurt, and chocolate chips, this easy banana bread recipe delivers the perfect balance of rich chocolate and classic banana flavor.
Ingredients
Banana Bread Batter
- 1 1/2 cup (180 grams) all-purpose flour
- 1 teaspoon baking soda
- 1 teaspoon cinnamon
- 1/2 teaspoon salt
- 3 medium ripe bananas, mashed
- 1/2 cup (90 grams) brown sugar
- 1/4 cup (50 grams) granulated Sugar
- 1/3 cup (60 grams) canola oil
- 2 large eggs, room temperature
- 1/2 cup (115 grams) yogurt or sour cream, room temperature
- 1 1/2 teaspoon vanilla extract
Chocolate Batter
- 1/4 cup (25 grams) cocoa powder
- 1/4 cup (40 grams) milk chocolate chips
- 3 tablespoons boiling hot water
Instructions
- Preheat the oven to 350°F (175°C) and line a 9×5-inch loaf pan with parchment paper and set it aside. In a medium bowl, whisk together all-purpose flour, baking soda, cinnamon, and salt.1 1/2 cup (180 grams) all-purpose flour, 1 teaspoon baking soda, 1 teaspoon cinnamon, 1/2 teaspoon salt
- In a large mixing bowl, add brown sugar, granulated sugar, oil, and mashed bananas. Whisk until well combined. Add the eggs, yogurt, and vanilla extract, then mix until fully incorporated.3 medium ripe bananas,, 1/2 cup (90 grams) brown sugar, 1/4 cup (50 grams) granulated Sugar, 1/3 cup (60 grams) canola oil, 2 large eggs,, 1/2 cup (115 grams) yogurt or sour cream,, 1 1/2 teaspoon vanilla extract
- Gently fold the dry ingredients into the wet mixture until just combined. Set aside.
- In a microwave-safe bowl, combine cocoa powder, chocolate chips, and boiling water. Microwave for 20–30 seconds, then stir until it forms a thick chocolate paste. Add 1 cup of the banana batter to the chocolate mixture and fold until fully incorporated.1/4 cup (25 grams) cocoa powder, 1/4 cup (40 grams) milk chocolate chips, 3 tablespoons boiling hot water
- Using an ice cream scoop or spoon, alternate adding spoonfuls of banana batter and chocolate batter into the loaf pan. Once all the batter is in the pan, use a knife or skewer to gently swirl the two batters together for a marbled effect.
- Bake for 1 hour or until a toothpick inserted in the center comes out clean. Let the loaf cool in the pan for about 10 minutes, then transfer it to a wire rack to cool completely (about 1 to 2 hours) before slicing.