As I stood in my kitchen, the rich, nutty aroma of browned butter filled the air, instantly transporting me back to countless afternoons spent baking with my grandmother. This nostalgic scent signals the arrival of something truly special—my Brown Butter Banana Coffee Cake. This recipe is not just another banana bread; it’s an upgrade that combines the creaminess of ripe bananas with the decadent flavor depth of brown butter and brown sugar, creating a moist, fluffy cake perfect for any gathering. What sets it apart? A delightful cinnamon and cocoa swirl nestled inside and a crumbly streusel topping that adds a satisfying crunch. This cake is a great way to use up overripe bananas, and with minimal prep time, it’s the ultimate crowd-pleaser. Are you ready to savor a slice of comfort? Let’s dive into how to create this delicious treat together!

Why is This Cake So Irresistible?
Unforgettable Flavor: The combination of brown butter and ripe bananas creates an irresistible richness that elevates this cake beyond your typical baked goods.
Easy to Make: With just a few simple steps, this recipe is perfect for both novice bakers and seasoned chefs alike.
Perfect for Sharing: Cut into generous slices, this cake is ideal for gatherings, brunch, or a cozy coffee break with friends—who could resist?
Versatile Enjoyment: Whether paired with coffee in the morning or served as a delightful dessert, this cake fits any occasion.
Time-Saving: Whip it up quickly and enjoy the delightful aroma wafting through your home—there’s no need for lengthy preparations!
Uses Ripe Bananas: Make the most of those overripe bananas sitting on your counter, transforming them into a delectable treat. For more banana recipes, check out my Greek Yogurt Banana muffins or Cinnamon Roll Banana Bread.
Brown Butter Banana Coffee Cake Ingredients
For the Streusel Topping
- All-purpose flour – Provides structure; standard flour works best.
- Packed light brown sugar – Adds sweetness and moisture; can be substituted with granulated sugar for less moisture.
- Ground cinnamon – Infuses flavor; adjust based on personal preference.
- Very soft salted butter – Binds ingredients together while adding flavor; unsalted butter can be used, adding a pinch of salt if desired.
For the Cinnamon Sugar Mixture
- Packed light brown sugar – Offers sweetness; can substitute with granulated sugar if needed.
- Ground cinnamon – Enhances flavor; adjust for a stronger or lighter taste.
- Cocoa powder – Adds depth and color; optional for a more chocolatey flavor in your Brown Butter Banana Coffee Cake.
For the Cake Batter
- All-purpose flour – Provides structure; use spoon-and-level method for accuracy.
- Baking powder – Serves as a leavening agent; ensure freshness for the best rise.
- Baking soda – Works as a leavening agent; pairs well with acidic elements for maximum effectiveness.
- Salt – Balances sweetness; essential for flavor enhancement.
- Mashed bananas – Creates moisture and lends flavor; use very ripe bananas for the best taste.
- Packed light brown sugar – Adds sweetness and moisture; can substitute with white sugar if preferred.
- Large egg – Acts as a binding agent; use at room temperature for proper mixing.
- Full-fat sour cream – Contributes moisture and richness; may substitute with Greek yogurt for a lighter feel.
- Browned unsalted butter – Introduces a deep flavor; follow browning techniques for optimal depth.
- Pure vanilla extract – Enhances flavor; choose high-quality vanilla for the best impact.
For the Vanilla Glaze
- Powdered confectioner’s sugar – Provides sweetness; sifting may prevent lumps from forming.
- Whole milk – Creates a thin consistency for glazing; substitute with any milk alternative for a dairy-free option.
- Ground cinnamon – Offers additional flavor; adjust quantity to preference for your glaze.
Step‑by‑Step Instructions for Brown Butter Banana Coffee Cake
Step 1: Preheat the Oven
Begin by preheating your oven to 350°F (175°C). While it’s heating, prepare an 8×8-inch baking pan by lining it with parchment paper, allowing for easy removal of the Brown Butter Banana Coffee Cake once it’s baked. This setup ensures your cake bakes evenly and has a beautiful finish.
Step 2: Brown the Butter
In a small saucepan over medium heat, melt the unsalted butter, stirring frequently. Continue cooking until the butter turns golden brown and develops a nutty aroma, about 5-7 minutes. Keep a close eye on it to prevent burning. Once ready, set it aside to cool slightly before adding it to the batter later.
Step 3: Make the Streusel Topping
In a mixing bowl, combine all-purpose flour, packed light brown sugar, and ground cinnamon for the streusel topping. Mix well, then rub in the very soft salted butter until the mixture becomes crumbly. This will create a delightful crunch that complements the moistness of the Brown Butter Banana Coffee Cake.
Step 4: Prepare the Cinnamon Sugar Mixture
In a separate bowl, mix together the packed light brown sugar, ground cinnamon, and optional cocoa powder. Set this cinnamon sugar mixture aside; it will add a sweet, flavorful layer in your cake. The chocolate notes from the cocoa can deepen the overall flavors of this delicious treat.
Step 5: Mix the Cake Batter
In a large bowl, whisk together the dry ingredients: all-purpose flour, baking powder, baking soda, and salt. In another bowl, mash the ripe bananas, then add the brown sugar, large egg, full-fat sour cream, the cooled browned butter, and pure vanilla extract. Whisk until smooth, then gently fold the dry ingredients into the wet mixture until just combined, ensuring not to overmix.
Step 6: Assemble the Layers
Spread two-thirds of the cake batter evenly into the prepared pan. Sprinkle the top with the cinnamon sugar mixture, allowing it to create a sweet swirl in the Brown Butter Banana Coffee Cake. Dollop the remaining batter across the top and gently spread it to cover, then finally, sprinkle the streusel topping over everything for that signature crunch.
Step 7: Bake
Place the assembled cake in the preheated oven and bake for 35 to 40 minutes. Keep an eye on it, and test for doneness by inserting a toothpick into the center—if it comes out clean or with a few crumbs, your Brown Butter Banana Coffee Cake is ready to be lovingly taken out of the oven.
Step 8: Cool
Once baked, remove the cake from the oven and transfer the pan to a wire rack to cool completely. This allows the flavors to set and the cake to firm up slightly, making it easier to slice. Patience here is key for a great finish to your delicious treat!
Step 9: Glaze
While the cake is cooling, prepare the vanilla glaze by whisking together powdered confectioner’s sugar, whole milk, and ground cinnamon in a small bowl until smooth. Once the cake has cooled, drizzle this glaze over the top for a sweet finishing touch that ties the flavors of the Brown Butter Banana Coffee Cake together beautifully.

Make Ahead Options
These Brown Butter Banana Coffee Cakes are perfect for meal prep enthusiasts! You can prepare the batter and cinnamon sugar mixture up to 24 hours in advance, storing them separately in the refrigerator to maintain their freshness and quality. Additionally, the streusel topping can be made ahead of time and kept in an airtight container for up to 3 days to keep it crumbly. When you’re ready to bake, simply mix together the chilled components, assemble the layers in your pan, and bake as usual. This makes it easy to enjoy a delightful coffee cake fresh out of the oven with minimal effort on busy mornings or cozy gatherings!
What to Serve with Brown Butter Banana Coffee Cake
This delightful cake pairs beautifully with a variety of delicious sides and beverages to create a comforting, memorable meal experience.
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Rich Coffee: Enjoy this cake with a cup of freshly brewed coffee; the deep flavors enhance the sweetness of the cake perfectly.
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Vanilla Ice Cream: A scoop of vanilla ice cream adds creaminess and a cool contrast to the warm, moist cake.
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Fresh Berries: Serve with a side of mixed berries for a burst of tartness, balancing the sweetness of the cake beautifully.
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Greek Yogurt: A dollop of tangy Greek yogurt offers a creamy element that complements the cake’s richness and adds a healthy touch.
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Herbal Tea: A warm cup of herbal tea, like chamomile or mint, provides a soothing beverage option that pairs well with the dessert’s flavors.
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Caramel Drizzle: Drizzle caramel sauce on top for a decadent twist that enhances the cake’s natural sweetness and adds extra indulgence.
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Whipped Cream: Light and airy whipped cream makes for a delightful topping, giving each bite a luscious texture alongside the cake.
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Almond Milk: For a dairy-free option, almond milk serves as a lovely pairing that won’t overshadow the cake’s flavors and offers a gentle nuttiness.
How to Store and Freeze Brown Butter Banana Coffee Cake
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Room Temperature: The cake can be stored at room temperature in an airtight container for up to 5 days, keeping it fresh and ready to enjoy anytime.
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Fridge: For longer freshness, refrigerate the Brown Butter Banana Coffee Cake in an airtight container, where it can last for over a week while retaining its moisture and flavor.
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Freezer: If you want to save some for later, wrap the cake tightly in plastic wrap, then in aluminum foil, and freeze it for up to 3 months. This preserves its delicious taste for future cravings!
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Reheating: To enjoy the cake warm, simply allow it to thaw in the fridge overnight, then reheat individual slices in the microwave for about 15-20 seconds or until warmed through.
Brown Butter Banana Coffee Cake Variations
Feel free to explore these fun twists on the classic recipe for your very own Brown Butter Banana Coffee Cake!
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Nutty Crunch: Add chopped walnuts or pecans to your streusel for an extra crunch. The nutty flavor complements the sweetness beautifully.
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Chocolate Delight: Fold in mini chocolate chips into the batter for an added touch of sweetness. Each bite becomes a delightful surprise, elevating your cake to a whole new level!
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Greek Yogurt Swap: Substitute sour cream with Greek yogurt to enhance the cake’s tanginess without compromising its moist texture. It’s a delicious twist that adds a little protein too!
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Spiced Up: Add a pinch of nutmeg or allspice along with the cinnamon for a warming spice kick. It adds depth and complexity to the cake’s flavor profile!
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Fruity Additions: Incorporate shredded coconut or dried fruit like raisins or cranberries into the batter. This introduces a sweet chewiness that contrasts nicely with the moist cake.
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Dairy-Free Option: Use coconut milk or almond milk in the glaze to make it dairy-free without losing any of that beautiful, sweet flavor. It’s a great way to accommodate dietary preferences!
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Bourbon Glaze: For an adult twist, add a splash of bourbon to your vanilla glaze. It brings a hint of warmth and depth, perfect for a special gathering.
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Layered Cake: Double the recipe and create a layered version for a special occasion. Layer with cream cheese frosting between each cake layer for an indulgent treat. If you love layers, take a peek at my Grandmas Hash Brown casserole for another layered delight!
Expert Tips for Brown Butter Banana Coffee Cake
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Ripe Bananas Matter: Use very ripe bananas for the best sweetness and flavor; they will make your cake incredibly moist.
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Browning Technique: When browning butter, watch it closely. It can quickly go from perfectly nutty to burnt, so use medium heat and stir constantly.
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Mixing Scrutiny: Avoid overmixing the batter once the dry ingredients are combined. This keeps your Brown Butter Banana Coffee Cake airy and tender.
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Layering Tips: For an even distribution of flavor, ensure the cinnamon sugar mixture is spread evenly and the streusel topping covers the entire surface.
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Cooling Time: Let the cake cool completely before glazing. This will prevent the glaze from melting into the cake and ensures it sets beautifully.

Brown Butter Banana Coffee Cake Recipe FAQs
How do I choose ripe bananas for this recipe?
Absolutely! The best bananas for your Brown Butter Banana Coffee Cake are very ripe ones. Look for bananas that are mostly brown or have dark spots all over—these will provide natural sweetness and moisture, making your cake incredibly flavorful. If you’re in a pinch and your bananas are still yellow, you can place them in a brown paper bag for a day or two to speed up the ripening process.
What is the best way to store leftover cake?
Very! To keep your Brown Butter Banana Coffee Cake fresh, store it in an airtight container at room temperature for up to 5 days. For extended freshness, place it in the refrigerator, where it can last for over a week. Just ensure it’s well-covered to prevent it from drying out.
Can I freeze this cake?
Absolutely! If you want to freeze your Brown Butter Banana Coffee Cake, wrap it tightly in plastic wrap, followed by aluminum foil. This method preserves the moisture and flavor, allowing for freezing up to 3 months. When you’re ready to enjoy it, let it thaw overnight in the fridge, then reheat individual slices in the microwave for about 15-20 seconds!
What should I do if my cake is too dense?
Very! If you find that your Brown Butter Banana Coffee Cake is dense, this is often due to overmixing the batter after adding the dry ingredients. To prevent this, mix gently and only until just combined. Also, ensure that your baking powder and baking soda are fresh, as expired leavening agents can hinder the rise.
Are there any dietary considerations for pets?
Absolutely! While this delightful Brown Butter Banana Coffee Cake is perfect for human enjoyment, be cautious with sharing it with pets. Bananas are safe for dogs in moderation but can be high in sugar. Avoid giving the cake to pets due to ingredients like sugar and butter that aren’t suitable for them, and always check for any allergies your pets might have.

Brown Butter Banana Coffee Cake: A Cozy, Flavor-Packed Treat
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C) and prepare an 8x8-inch baking pan by lining it with parchment paper.
- In a small saucepan, melt the unsalted butter over medium heat until golden brown, about 5-7 minutes.
- In a mixing bowl, combine all-purpose flour, packed light brown sugar, and ground cinnamon for the streusel topping; rub in soft salted butter.
- In a separate bowl, mix packed light brown sugar, ground cinnamon, and optional cocoa powder for the cinnamon sugar mixture.
- Whisk together the dry ingredients: all-purpose flour, baking powder, baking soda, and salt in a large bowl.
- In another bowl, mash the ripe bananas and add brown sugar, egg, sour cream, cooled browned butter, and vanilla extract; whisk until smooth.
- Spread two-thirds of the cake batter evenly into the prepared pan, sprinkle with cinnamon sugar mixture, dollop the remaining batter on top, and add the streusel topping.
- Bake for 35 to 40 minutes; check for doneness with a toothpick.
- Once baked, cool the cake completely on a wire rack before glazing.
- For the glaze, whisk together powdered sugar, milk, and ground cinnamon until smooth, then drizzle over the cooled cake.

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