These Chocolate Chunk Banana Muffins are the ultimate treat for any occasion – whether you're craving a cozy breakfast, a satisfying afternoon snack, or a delightful dessert.
Today's recipe brings a delightful twist to classic regular banana muffins, and I'm pretty sure these bakery style muffins will be your new favorite easy breakfast or sweet treat.

These fluffy muffins are infused with the sweet flavor of ripe bananas. When you take your first bite, you'll discover pockets of rich, melted chocolate. These homemade muffins have just the right balance of moistness and sweetness.
If you love all things banana, try my Banana Pudding with Cream Cheese, Banana Coffee Cake, or my Chocolate Chip Banana Bread with Pancake Mix.
If muffin recipes are what you're hunting for, try my Blueberry Muffins with Buttermilk, my Copycat Panera Pumpkin Muffins, or my super-easy and quick 3-Ingredient Pumpkin Muffins. All of these recipes make for an easy breakfast on the go.
Why You'll Love These Chocolate Chunk Banana Muffins
- Banana Bliss - Ripe bananas bring a natural sweetness to these muffins, ensuring every bite is bursting with banana flavor. This is the perfect way to use those brown bananas sitting on your counter. The bananas add moisture and natural sweetness that infuses the muffins, ensuring a soft, tender crumb with every bite. This lovely texture makes the muffins feel comforting and hearty without being dense.
- Chocolate Heaven - Bananas and chocolate are like two best friends who just click together perfectly. Chocolate chunks add decadence and richness to every bite, creating a heavenly combination with the bananas. Instead of tiny chips, large chunks of chocolate are folded into the batter, delivering bursts of decadent richness scattered throughout the muffins. As the chocolate melts gently during baking, it creates an indulgent contrast to the mellow banana base.
- Simple Yet Impressive - This recipe feels approachable — few ingredients and straightforward steps — but the results are impressive enough to serve at a brunch or share with friends. It’s a great example of how simple components can come together as a special treat.

Natalie's Pro Tips
- Use very ripe mashed bananas - Don't skimp on ripeness. I use bananas with brown spots on their peels. This ensures your muffins are naturally sweet and moist without needing too much added sugar. If you don't have any overripe bananas, you can ripen them for baking in your oven! Green bananas won't work, but you should also avoid ones with black peels.
- Fold in chocolate chunks gently - After mixing your batter, fold the chocolate chunks in carefully to distribute them evenly without overmixing. Overmixing can lead to tough muffins, so keep it light to maintain a tender crumb.
- Room temperature ingredients - Bring your eggs, butter, and any dairy to room temperature before mixing. This helps ingredients blend smoothly, resulting in even texture and consistent rise.
- Don’t overbake - Set a timer for the minimum suggested baking time and start checking. Overbaking can dry out these moist muffins, so look for a golden top with a toothpick that comes out mostly clean but still slightly moist.
- Make sure to add a pinch of salt - Even in sweet recipes, a pinch of salt enhances the flavor by balancing sweetness and bringing out the depth of the chocolate and banana.
- Bakery-style at home - For a bakery-style look, save a few chocolate chunks to press into the muffin tops before baking them. The muffins will be golden brown and irresistible.
Substitutions
- Vegetable oil or coconut oil can be used in place of the melted butter. However, I prefer the melted butter because of the flavor it gives to the muffins.
- Vanilla extract can be used instead of the vanilla bean paste.
- Make chocolate chip banana muffins using chocolate chips in place of the chocolate chunks.
- Whole wheat flour can be used in place of all-purpose flour.
- Greek yogurt can be used in place of the sour cream. However, sour cream has a much higher fat content, helping to create super moist muffins.
- Use a gluten-free flour blend instead of all-purpose flour for those with gluten sensitivities.

Variations
- Add Nuts - Enhance texture and flavor by folding in chopped walnuts or pecans along with the chocolate chunks for a satisfying crunch.
- Swap Out The Chocolate - Mix in a combination of dark, milk, and white chocolate chunks for an indulgent twist, or just swap out the semi-sweet chocolate chunks for large chunks of chopped milk chocolate.
- Add Spices - Incorporate a pinch of cinnamon or nutmeg to the muffin batter.
- Make mini muffins - If you'd like to make a mini version of these muffins, I recommend chopping the chocolate chunks into smaller pieces or even using mini chips. The large pieces of chocolate can overwhelm a smaller-sized muffin.
- Reduce sweetness - Cut back on the granulated or brown sugar or use less sweet chocolate for a less sugary treat.
Ingredients

*For specific ingredient amounts, please scroll down to the printable recipe card.
How To Make These Moist Chocolate Chunk Banana Muffins
Step 1. Preheat your oven to 375°F. Line a standard 12-cup muffin tin with cupcake liners or lightly spray the wells with cooking spray. Set aside.
Step 2. In a large mixing bowl, mash the bananas. Add in the brown sugar, melted butter, sour cream, egg, and vanilla bean paste until smooth and well combined. Set aside.


Step 3. In a medium bowl, whisk together the flour, baking powder, baking soda, and salt by hand until well combined. Ensure there are no streaks of flour.
Step 4. Add the dry ingredients to the bowl of wet ingredients. Gently fold the flour mixture in using a spatula until just combined. Be careful not to overmix, as this can result in tough muffins. Fold in the chocolate chunks until evenly distributed throughout the muffin batter.
Step 5. Using a cookie or ice cream scoop or a spoon, divide the batter evenly among the muffin cups, filling each cup about ⅔rds full. Press a few extra chocolate chunks onto the tops of the muffins.


Step 6. Bake for 18-20 minutes, or until the tops are golden brown and a toothpick inserted into the center of a muffin has a few moist crumbs clinging to it.
Step 7. Remove the muffin tin from the oven and transfer it to a wire rack to cool for a few minutes. Once slightly cooled, remove the muffins from the tin and allow them to cool completely on a wire rack. Serve these delicious banana chocolate chunk muffins warm or at room temperature.


Storage and Freezing
Any leftover muffins can be stored in an airtight container at room temperature for up to 3 days or in the refrigerator for up to 1 week. You can also freeze the muffins for longer storage.
To freeze these muffins, cool them completely. Then, store them in an airtight container, freezer bag, or wrap them in plastic wrap for up to three months. Thaw at room temperature or warm them up in the microwave before enjoying.

Notes/FAQs
Absolutely! Frozen bananas work just as well as fresh ones. See my complete tutorial on using frozen bananas for bread and other baked goods. Simply thaw, drain the liquid, and mash them before using them in the recipe. When I am going to freeze bananas, sometimes I freeze them whole, and sometimes I slice them. This makes it easier to drain the liquid before mashing them for baking.
Yes, you can reduce the amount of brown sugar if you prefer a less sweet muffin. You can also experiment with alternative sweeteners like honey or maple syrup.
You can make a double batch of this recipe and freeze the extra muffins for later. Just thaw them at room temperature or reheat them in the microwave before serving.
The best bananas for baked goods are those that have brown spots or a brown peel. These bananas have the most natural sugar. However, avoid mushy bananas that have black peels or are soupy inside.

Chocolate Chunk Banana Muffins
Equipment
- Muffin Tin
- Muffin Liners
- Mixing Bowls
- hand mixer
- Rubber Spatula
- Cookie scoop
Ingredients
- 3 ripe bananas (about 1 ½ cups mashed)
- ½ cup brown sugar packed
- ½ cup granulated sugar
- ¼ cup unsalted butter, melted
- ⅓ cup sour cream
- 1 teaspoon vanilla bean paste or vanilla extract
- 1 large egg
- 1¾ cups all-purpose flour
- 1 teaspoon baking powder
- ½ teaspoon baking soda
- ¼ teaspoon kosher salt
- 1 cup semi-sweet chocolate chunks plus extra for topping
Instructions
- Preheat oven to 375°F. Line a standard 12-cup muffin pan with cupcake liners or lightly spray the wells with cooking spray. Set aside.
- In a large mixing bowl, mash the bananas. Add in the brown sugar, granulated sugar, melted butter, sour cream, egg, and vanilla extract until smooth and well combined. Set aside.3 ripe bananas, ½ cup brown sugar, ½ cup granulated sugar, ¼ cup unsalted butter, melted, ⅓ cup sour cream, 1 large egg, 1 teaspoon vanilla bean paste
- In a medium bowl, whisk together the flour, baking powder, baking soda, and salt by hand until well combined. Ensure there are no streaks of flour.1¾ cups all-purpose flour, 1 teaspoon baking powder, ½ teaspoon baking soda, ¼ teaspoon kosher salt
- Add the dry ingredients to the bowl of wet ingredients. Gently fold the flour mixture in using a spatula until just combined. Be careful not to overmix, as this can result in tough muffins.
- Fold in the chocolate chunks with a rubber spatula until evenly distributed throughout the muffin batter.1 cup semi-sweet chocolate chunks
- Using a large cookie scoop or a spoon, divide the batter evenly among the muffin cups, filling each cup about ⅔rds full. Press a few extra chocolate chunks onto the tops of the muffins.
- Bake for 18-20 minutes, or until the tops are golden brown and a toothpick inserted into the center of a muffin has a few moist crumbs clinging to it.
- Remove the muffin tin from the oven and transfer it to a wire rack to cool for a few minutes. Once slightly cooled, remove the muffins from the tin and allow them to cool completely on a wire rack.
- Serve these delicious banana chocolate chunk muffins warm or at room temperature.
Notes
Any leftover muffins can be stored in an airtight container at room temperature for up to 3 days or in the refrigerator for up to 1 week. You can also freeze the muffins for longer storage. To freeze these muffins, cool them completely. Then, store them in an airtight container or freezer bag for up to three months. Thaw at room temperature or warm them up in the microwave before enjoying. Pro Tip
For a bakery-style look, save a few chocolate chunks to press into the muffin tops before baking them. The muffins will be golden brown and irresistible. See the blog post for more tips and tricks.







Jane says
Amazing! And that melted chocolate is the best.
Charlotte says
Bananas and chocolate chunks for breakfast sound like a dream! We will definitely be making these weekly for grab-and-go breakfasts and lunchbox treats! Thanks for another great recipe!