Chocolate Banana Bread Recipe that tastes like a fudgy brownie crossed with classic banana bread, with melty pockets of chocolate in every slice. It suits bakers who want an easy, cozy loaf for breakfast, snack, or dessert, and it takes about 1 hour 10 minutes start to finish. I baked this on repeat during college finals and it still feels like a hug in loaf form.
Why Choose This Chocolate Banana Bread Recipe
This Chocolate Banana Bread Recipe doubles up on chocolate with cocoa powder and chocolate chips, yet keeps a tender, moist crumb. Ripe bananas add natural sweetness, and sour cream balances richness without making the loaf heavy. You mix it in two bowls, no mixer needed, so cleanup stays simple.
Ingredients You Need
- 3 large very ripe bananas, mashed well (about 1.5 cups or 340 g)
- 1/2 cup unsalted butter, melted and cooled slightly; or 1/2 cup neutral oil for dairy-free
- 1/2 cup packed light brown sugar
- 1/4 cup granulated sugar
- 2 large eggs, at room temperature
- 1 teaspoon vanilla extract
- 1/2 cup sour cream or plain Greek yogurt, at room temperature
- 1 1/4 cups all-purpose flour (150 g; I like King Arthur for consistent results)
- 1/2 cup natural cocoa powder (45 g; Hershey’s or Ghirardelli work great)
- 1 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon kosher salt
- 1 teaspoon instant espresso powder, optional, for deeper chocolate flavor
- 1 cup chocolate chips or chunks (about 6 oz; semisweet or dark)
- 1/2 cup chopped walnuts or pecans, optional
Notes, swaps, and pantry shortcuts:
- No sour cream? Use plain yogurt. Use dairy-free yogurt if needed.
- Use oil instead of butter for a taller, extra-moist loaf.
- Only have Dutch-process cocoa? It still works. Add an extra 1/4 teaspoon baking powder and reduce baking soda to 3/4 teaspoon.
- Mini chocolate chips spread the chocolate more evenly. Chopped bar chocolate gives gooey pockets.
Equipment:
- 9 by 5 inch loaf pan (or 8.5 by 4.5 inch; add a few minutes if using the smaller pan)
- Parchment paper sling and nonstick spray
- Two mixing bowls, whisk, spatula
- Scale for accuracy, optional
- Wire rack and toothpick
How to Make Chocolate Banana Bread Recipe
Step 1: Preheat and prep the pan
Heat the oven to 350°F. Line a 9 by 5 inch loaf pan with a parchment sling and spray the sides. This keeps the loaf from sticking and helps you lift it out cleanly.
Step 2: Mash bananas and mix the wet ingredients
Mash the bananas in a large bowl until mostly smooth. Whisk in melted butter or oil, brown sugar, granulated sugar, eggs, vanilla, and sour cream or yogurt until glossy and combined.
Step 3: Whisk the dry ingredients
In a separate bowl, whisk flour, cocoa powder, baking soda, baking powder, salt, and espresso powder if using. Break up any cocoa clumps so the crumb stays even.
Step 4: Bring the batter together
Add the dry ingredients to the wet ingredients. Fold gently with a spatula until you see only a few streaks of flour. Keep the batter slightly lumpy to avoid a tough loaf.
Step 5: Add the mix-ins
Fold in chocolate chips and nuts if using. Save a small handful of chips for the top so the loaf looks bakery-level.
Step 6: Fill the pan and bake
Scrape the batter into the prepared pan and smooth the top. Sprinkle on the reserved chips. Bake 55 to 65 minutes, until the top sets and a toothpick at the center comes out with a few moist crumbs and melted chocolate, not wet batter.
Step 7: Check doneness like a pro
If your oven runs cool or hot, start checking at 50 minutes. You can also check with an instant-read thermometer. Aim for about 200 to 205°F in the center.
Step 8: Cool and slice
Let the loaf cool in the pan for 10 to 15 minutes, then lift it out to a rack. Cool at least 45 minutes before slicing so it holds together and the chocolate sets a bit. I know, the waiting tests patience.
Tips & Common Mistakes
- Use bananas with lots of brown spots for maximum flavor and moisture.
- Measure flour and cocoa by weight or fluff, spoon, and level to avoid a dry loaf.
- Keep ingredients at room temperature so the batter comes together smoothly.
- Do not overmix; stop as soon as dry streaks disappear.
- If the top browns fast, tent loosely with foil at the 40-minute mark.
- Let it cool before slicing, or the crumb can tear and the chips can smear.
- Line the pan; chocolate tends to stick more than classic banana bread.
Variations I’ve Tried
- Peanut butter swirl: Drop 1/3 cup warmed peanut butter on top of the batter and swirl with a knife.
- Triple chocolate: Use dark cocoa, chocolate chunks, and a handful of cocoa nibs for crunch.
- Mocha loaf: Add 2 teaspoons espresso powder and finish slices with a dusting of cocoa.
- Cherry chocolate: Fold in 1/2 cup dried tart cherries for a sweet-tart hit.
- Gluten-free: Use a 1:1 gluten-free baking flour and add 1 extra tablespoon yogurt for moisture.
- Dairy-free: Use oil and a dairy-free yogurt; the crumb still stays tender.
How to Serve
Slice it thick while still slightly warm and add a pat of salted butter or a swipe of peanut butter. Pair it with hot coffee in the morning or a cold glass of milk as an afternoon pick-me-up. For dessert, toast a slice and top it with vanilla ice cream and a pinch of flaky salt. If you have leftovers, warm a slice for 10 seconds in the microwave to revive the chocolate.
Make-Ahead and Storage
Let the loaf cool completely, then wrap it snugly in plastic and store at room temperature for up to 3 days. Refrigerate up to 1 week if your kitchen runs warm. Freeze the whole loaf or individual slices for up to 3 months; wrap in plastic, then place in a freezer bag. Reheat slices from room temp in a toaster oven at 325°F for 5 to 8 minutes or microwave for 10 to 15 seconds until the chocolate softens again.
Chocolate Banana Bread Recipe
Ingredients
Instructions
- Preheat the oven to 350°F (175°C). Grease and flour a 9x5-inch loaf pan or line it with parchment paper.
- In a medium bowl, whisk together the flour, cocoa powder, baking soda, baking powder, and salt until well combined.
- In a large bowl, mash the ripe bananas until mostly smooth. Add the granulated sugar, brown sugar, melted butter, eggs, vanilla, and sour cream. Whisk until fully combined.
- Add the dry ingredients to the banana mixture and gently stir with a spatula just until no dry streaks of flour remain. Do not overmix.
- Fold in the chocolate chips, reserving a small handful for sprinkling on top if desired.
- Pour the batter into the prepared loaf pan and smooth the top. Sprinkle the reserved chocolate chips over the surface.
- Bake for 50–60 minutes, or until a toothpick inserted into the center comes out with just a few moist crumbs attached.
- Allow the bread to cool in the pan for 10–15 minutes, then transfer to a wire rack to cool completely before slicing and serving.
Notes
Approximate per 1 slice (1/10 loaf): 310 calories; fat 14 g; saturated fat 8 g; carbohydrates 44 g; fiber 3 g; sugars 25 g; protein 5 g; sodium 260 mg. Values will vary based on brands, add-ins, and portion size.