Double Chocolate Crumb Banana Bread (with Brown Butter)
This Double Chocolate Crumb Banana Bread is soft, fluffy, and incredibly tender with a delicate crumb that melts in your mouth with every single bite. The brown butter adds a deep, nutty richness that pairs beautifully with the rich chocolate and banana flavor throughout, while plenty of melty chocolate chips are studded in every single bite. Finished with a chocolate chip chocolate crumb topping that adds the most perfect crunch — served warm with a pat of butter and a sprinkle of flaky sea salt for the ultimate cozy breakfast or dessert.
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Ingredients You Need:
Full ingredients and recipe are in the recipe card below. Read through this section for all the ingredients substitution and baking tips!
Salted Butter: Browned until deep golden amber and nutty for the banana bread batter, adding a rich, warm depth of flavor that pairs beautifully with the rich chocolate and sweet banana throughout — also used at room temperature in the chocolate crumb topping for a rich, buttery, and perfectly crumbly golden finish on every single slice.
Ripe Bananas: The star of this banana bread — deeply speckled and ripe bananas add the most natural sweetness, moisture, and rich banana flavor that pairs absolutely beautifully with the deep brown butter and rich chocolate throughout. Make sure to measure out the mashed banana for the most consistent results.
Brown Sugar: Adds a deep, molasses-like sweetness to both the banana bread batter and the chocolate chip chocolate crumb topping that enhances the warm brown butter and rich chocolate flavors throughout every single bite.
Greek Yogurt or Sour Cream: Adds richness and moisture to the banana bread batter, keeping the crumb incredibly soft, fluffy, and perfectly tender in every single slice.
Eggs: Provide structure, richness, and stability to the banana bread batter while helping the loaf rise and hold together properly during baking.
Vanilla Bean Paste or Extract: Adds a warm, sweet, and aromatic flavor that enhances the rich brown butter, chocolate, and banana flavors throughout every single bite.
All-Purpose Flour: Used in both the banana bread batter and the chocolate chip chocolate crumb topping — provides structure for the loaf while keeping the crumb soft, light, and perfectly tender, and gives the crumb topping its signature crumbly and golden texture throughout.
Dutch-Process Cocoa Powder: Used in both the banana bread batter and the chocolate chip chocolate crumb topping for the deepest, richest, and most intensely chocolatey flavor throughout — regular unsweetened cocoa powder works as a substitute but dutch-process is strongly recommended for the best result.
Baking Soda: Reacts with the acidic ingredients in the banana bread batter to help the loaf rise and stay soft and tender throughout with a perfectly fluffy and light crumb.
Baking Powder: Works alongside the baking soda to give the banana bread the perfect lift and ensures a beautifully domed and golden top on every single loaf.
Salt: Balances the sweetness and enhances all the rich, warm brown butter and chocolate flavors throughout the banana bread batter and the chocolate chip chocolate crumb topping.
Freshly Brewed Espresso: Added to the batter while still hot to enhance and deepen the rich chocolate flavor throughout without adding a noticeable coffee taste — instant espresso powder mixed with hot water works as a substitute and is strongly recommended for the most intensely chocolatey result.
Semi-Sweet Chocolate Chips: Folded into the banana bread batter for melty pockets of rich, indulgent chocolate throughout every single bite that pair perfectly with the warm brown butter and sweet banana flavor.
Granulated Sugar: Added to the chocolate chip chocolate crumb topping alongside the brown sugar for a perfectly balanced sweetness and a beautifully golden, slightly crisp finish on top of every single slice.
Mini Chocolate Chips: Folded into the chocolate chip chocolate crumb topping for the most perfectly crunchy, chocolatey, and irresistible crumb that adds the best texture contrast to the soft and fluffy banana bread beneath — mini chocolate chips are strongly recommended for the most even distribution throughout the crumb topping.
Why You’ll Love Double Chocolate Crumb Banana Bread (w/ Brown Butter):
Soft, Fluffy, And Incredibly Tender: This banana bread is incredibly soft, fluffy, and perfectly tender with a delicate crumb that melts right in your mouth with every single bite — absolutely irresistible from the very first slice to the very last.
That Deep Brown Butter Richness: The brown butter adds a warm, nutty depth of flavor that pairs beautifully with the rich chocolate and sweet banana flavors throughout and takes this banana bread completely over the top.
Rich And Deep Chocolate Flavor Throughout: Every single bite is packed with rich, deep, and indulgent chocolate flavor that pairs absolutely perfectly with the sweet ripe banana and warm brown butter throughout.
Melty Chocolate Chips In Every Bite: Plenty of melty chocolate chips are studded throughout every single bite for little pockets of rich, indulgent chocolate that make this banana bread truly irresistible from top to bottom.
That Chocolate Chip Chocolate Crumb Topping: The chocolate chip chocolate crumb topping adds the most incredible crunch and a rich, buttery texture contrast that takes every single bite of this banana bread completely and utterly over the top.
Served Warm With Butter And Flaky Sea Salt: A pat of butter melting over the warm slice and a sprinkle of flaky sea salt that balances all the rich, sweet flavors makes every single bite completely and utterly irresistible.
Works For Breakfast And Dessert: This banana bread is just as delicious served warm for a cozy breakfast with a hot cup of coffee as it is served as an indulgent dessert with a scoop of vanilla ice cream.
Perfect For Any Occasion: Whether it is a lazy weekend morning, a cozy afternoon treat, a holiday breakfast, or any special occasion, this double chocolate crumb banana bread is always the ultimate showstopper on the table.
Tips for Making Double Chocolate Crumb Banana Bread (w/ Brown Butter):
Brown The Butter First: Brown the butter before starting anything else so it has time to cool slightly before adding the other wet ingredients — hot brown butter can scramble the eggs if added too quickly.
Watch The Brown Butter Closely: Butter can go from perfectly browned to burnt very quickly, so stay at the stove and stir continuously until it turns a deep golden amber color and smells nutty. Remove from the heat immediately.
Let The Brown Butter Cool: Allow the brown butter to cool for about 15–20 minutes before adding the other wet ingredients — it should be warm but not hot to the touch so it does not scramble the eggs when combined.
Make The Chocolate Crumb Topping While The Brown Butter Cools: Prepare the chocolate chip chocolate crumb topping during the brown butter cooling time so everything is ready to go the moment the batter is mixed — having it ready ahead of time makes the whole process much smoother and more efficient.
Use Dutch-Process Cocoa Powder: Dutch-process cocoa powder is strongly recommended for the deepest, richest, and most intensely chocolatey flavor in both the banana bread batter and the chocolate crumb topping — regular unsweetened cocoa powder works as a substitute but dutch-process gives the best result.
Use Very Ripe Bananas: The riper the bananas, the sweeter and more flavorful the banana bread will be. Look for bananas that are deeply speckled or almost fully brown for the best banana flavor that pairs beautifully with the rich chocolate throughout.
Measure The Mashed Banana: Measure out exactly 1 1/2 cups (400g) of mashed banana rather than going off the number of bananas — this ensures the most consistent flavor and texture in every single batch.
Use Room Temperature Ingredients: Greek yogurt or sour cream and eggs should be at room temperature so they incorporate evenly into the batter for the smoothest, most consistent result.
Don't Overmix The Batter: Mix the dry and wet ingredients together until just combined and there are no flour streaks remaining — the batter will be lumpy and that is completely normal. Overmixing will result in a dense, tough banana bread rather than a soft, fluffy, and perfectly tender crumb.
Add The Espresso While Still Hot: Add the freshly brewed espresso to the batter while it is still hot — the hot espresso enhances and deepens the rich chocolate flavor throughout the banana bread without adding a noticeable coffee taste.
Use Mini Chocolate Chips In The Crumb Topping: Mini chocolate chips are highly recommended for the crumb topping — they distribute more evenly throughout the crumb and create the most perfectly crunchy, chocolatey, and irresistible topping on every single slice.
Tent With Foil At The 50 Minute Mark: Check the banana bread at 50 minutes and tent the top loosely with foil for the remainder of the baking time — this prevents the chocolate crumb topping from over-browning or burning while the inside of the loaf continues to bake through.
Bake Until A Toothpick Comes Out Clean: This banana bread needs a full 70–75 minutes to bake through completely — start checking at 70 minutes and look for a toothpick that comes out clean or with a few moist crumbs for the most perfectly baked result.
Cool Before Slicing: Allow the banana bread to cool in the pan for at least 10–15 minutes before transferring to a wire cooling rack — this gives it time to set up properly and makes it much easier to slice cleanly without the crumb topping crumbling off.
Serve Warm For The Best Experience: This banana bread is at its absolute best served warm with a pat of butter melting over the top and a generous sprinkle of flaky sea salt to balance all the rich, chocolatey, and sweet flavors in every single bite.
How to Store Double Chocolate Crumb Banana Bread (w/ Brown Butter):
Best Served Fresh: This double chocolate crumb banana bread is at its absolute best served warm and fresh the day it is made with a pat of butter melting over the top and a generous sprinkle of flaky sea salt for the ultimate cozy treat.
Room Temperature (Short-Term): Store the banana bread covered or in an airtight container at room temperature for up to 2 days. The chocolate crumb topping will soften slightly as it sits but the banana bread will still be incredibly soft, fluffy, and delicious throughout.
Refrigerator: Store leftover banana bread covered or in an airtight container in the refrigerator for up to 4 days. The banana bread will firm up slightly in the refrigerator so reheating before serving is recommended for the best soft, tender texture.
Freezer: Freeze individual slices of the cooled banana bread in a freezer-safe bag or container for up to 2 months. Thaw overnight in the refrigerator or at room temperature before reheating for the best texture and flavor.
To Reheat: Warm individual slices in the microwave for 20–30 seconds until warmed through and the chocolate chips are melty again, or reheat in the oven at 325F for 8–10 minutes for the best soft, tender texture and slightly crisp crumb topping.
To Serve From Cold: Let refrigerated slices sit at room temperature for 15–20 minutes before reheating for the most even warmth throughout and the best soft, fluffy texture in every single bite.
Make Ahead: This banana bread can be baked a day in advance, cooled completely, covered tightly, and stored at room temperature or in the refrigerator. Slice and reheat before serving for the best warm, chocolatey, and delicious result.
FAQs:
Q: Can I make this double chocolate crumb banana bread ahead of time?
A: Yes. The banana bread can be baked a day in advance, cooled completely, covered tightly, and stored at room temperature or in the refrigerator. Slice and reheat before serving for the best warm, soft, and delicious result.
Q: Can I use regular cocoa powder instead of dutch-process?
A: Yes. Regular unsweetened cocoa powder works as a substitute for dutch-process cocoa powder in both the banana bread batter and the chocolate crumb topping. Keep in mind that dutch-process gives the deepest, richest, and most intensely chocolatey flavor so it is recommended to use it if possible.
Q: Do I have to brown the butter?
A: Browning the butter is strongly recommended as it adds a deep, nutty richness that takes this chocolate banana bread completely over the top and pairs beautifully with the rich chocolate and sweet banana flavors. If you are short on time, melted butter works as a substitute but the flavor will be slightly different.
Q: Can I substitute the Greek yogurt or sour cream?
A: Yes. Greek yogurt and sour cream are interchangeable in this recipe — use whichever you have on hand for the same soft, moist, and tender result throughout.
Q: Can I substitute the espresso?
A: Yes. Mix 1 teaspoon of instant espresso powder with 2 tablespoons of hot water as a substitute for the freshly brewed espresso. The espresso enhances and deepens the rich chocolate flavor throughout the banana bread without adding a noticeable coffee taste — it is optional but strongly recommended.
Q: Can I use a different type of chocolate?
A: Yes. Any chocolate of choice works beautifully in this recipe — dark, semi-sweet, or milk chocolate chips or chopped chocolate all work well and pair beautifully with the rich cocoa powder and brown butter banana flavor throughout.
Q: Why does this banana bread need to bake for so long?
A: The long baking time is necessary to ensure the banana bread bakes all the way through with the thick chocolate crumb topping on top. Make sure to tent the top with foil at the 50 minute mark to prevent the crumb topping from over-browning while the inside continues to bake through completely.
Q: Can I make this without the chocolate crumb topping?
A: Yes. The chocolate chip chocolate crumb topping is optional but strongly recommended — it adds the most incredible rich, buttery, and chocolatey crunch that takes every single bite of this banana bread completely over the top and makes it truly irresistible.
Q: Can I add nuts to this recipe?
A: Yes. Chopped walnuts or pecans can be folded into the banana bread batter alongside the chocolate chips for an extra layer of nutty flavor and crunch that pairs beautifully with the brown butter and rich chocolate flavors throughout.
Q: Can I freeze this banana bread?
A: Yes. Freeze individual slices of the cooled banana bread in a freezer-safe bag or container for up to 2 months. Thaw overnight in the refrigerator or at room temperature and reheat in the microwave or oven before serving for the best warm, soft, and delicious result.
Love this? Check out my other classic recipes:
Make sure to tag me @wellmadebykiley on Instagram and leave a review or comment if you make this double chocolate crumb banana bread (w/ brown butter). Happy baking!

