Name: Buttermilk Banana Cake Recipe
Prep time: 20 min
Cook time: 55 min
Total time: 1 h 15 min
Cuisine: American
Ingredients: 2 cups all-purpose flour; ½ tsp baking powder; ½ tsp baking soda; ½ tsp kosher salt; ½ tsp ground cardamom; ½ cup butter (room temperature); ¾ cup granulated sugar; ¾ cup light brown sugar; 2 large eggs (room temperature); 1½ tsp vanilla extract (divided); 2 ripe bananas (mashed, about 1 cup mashed); 1¼ cups buttermilk (room temperature, divided); 1½ cups powdered sugar (sifted)

Jump to Recipe· 4.1 from 2 reviews

If you’re on the hunt for a comforting dessert that feels like a warm hug, this Buttermilk Banana Cake Recipe will quickly become your go-to. Combining the natural sweetness of ripe bananas with the tender crumb that only buttermilk can provide, this cake is rich, moist, and bursting with flavor. It’s an absolute delight to bake whether you’re a seasoned pro or just looking to impress friends and family with something special. The subtle hint of cardamom adds an unexpected twist that elevates this classic banana cake into something truly unforgettable.

Ingredients You’ll Need

A round, single-layer cake sliced into eight pieces on a white plate set on a white marbled surface. The cake has a light brown, golden color with a smooth, shiny glaze covering the top, giving it a slightly glossy texture. One slice is slightly pulled out from the rest, showing the soft and moist inside, matching the outer color. The glaze appears thin and evenly spread with some raised spots, adding texture to the shiny surface. photo taken with an iphone --ar 4:5 --v 7

This Buttermilk Banana Cake Recipe uses simple, everyday ingredients that come together to create magic. Each component plays an essential role, from lending moisture and sweetness to adding depth of flavor and the perfect crumb texture.

2 cups all-purpose flour: The foundation of the cake, providing structure and balance.
½ tsp baking powder: Helps the cake rise gently and become fluffy.
½ tsp baking soda: Reacts with buttermilk for lift and tenderness.
½ tsp kosher salt: Enhances and balances the sweetness in the cake.
½ tsp ground cardamom: Adds a warm, slightly spicy aroma that complements the bananas beautifully.
½ cup butter (room temperature): Infuses richness and creates a melt-in-your-mouth crumb.
¾ cup granulated sugar: Provides sweetness and helps with browning.
¾ cup light brown sugar: Adds a deep, caramel-like flavor and moistness.
2 large eggs (room temperature): Bind ingredients together and add richness.
1½ tsp vanilla extract (divided): Imparts a sweet, fragrant note that brightens the cake.
2 ripe bananas (mashed, about 1 cup): The star of the show—offering natural sweetness and moisture.
1¼ cups buttermilk (room temperature, divided): Gives the cake its tender texture and a slight tang.
1½ cups powdered sugar (sifted): For a light and creamy frosting or dusting to finish the cake.

How to Make Buttermilk Banana Cake Recipe

Step 1: Prepare Your Oven and Pan

Start by preheating your oven to 350°F. Butter a 9-inch diameter cake pan thoroughly, then dust it lightly with flour to prevent sticking—this sets you up for a perfectly shaped cake with no fuss when it’s time to serve.

Step 2: Combine Dry Ingredients

In a medium bowl, whisk together the all-purpose flour, baking powder, baking soda, kosher salt, and ground cardamom. This blend of leavening agents and spices is crucial for achieving that tender yet flavorful crumb you’re after.

Step 3: Cream Butter and Sugars

Using a stand mixer fitted with the paddle attachment, beat the butter, granulated sugar, and brown sugar on high speed until the mixture is pale and fluffy—roughly 3 minutes. This step is key because it incorporates air, making the cake light and soft.

Step 4: Add Eggs, Vanilla, and Bananas

Lower the mixer speed to medium and add the eggs one at a time, ensuring they fully incorporate before the next addition. Follow with half of the vanilla extract and the mashed bananas. Scrape the sides of the bowl to bring everything together into a luscious batter.

Step 5: Incorporate Dry Ingredients and Buttermilk

Switch the mixer to medium-low and gradually add the dry ingredients. Once just mixed, slowly pour in 1 cup of the buttermilk, beating until the batter becomes smooth and silky. The buttermilk reacts with the baking soda to give your cake a tender crumb and subtle tang.

Step 6: Bake Until Golden

Pour the batter into your prepared pan and smooth the top. Bake for about 55 minutes until the cake turns golden brown and a toothpick inserted in the center comes out clean. The aroma filling your kitchen by this point will be absolutely irresistible.

How to Serve Buttermilk Banana Cake Recipe

A round cake sliced into eight pieces sits on a white plate over a white marbled surface. The cake has one visible layer with a golden brown color and a shiny, light beige glaze coating its entire top and slightly dripping down the sides. One slice is slightly pulled out, showing the cake's soft, moist texture inside. The glaze appears smooth with small darker spots that highlight the texture of the cake underneath. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

A simple dusting of powdered sugar can elegantly finish this cake, or spread a luscious cream cheese frosting infused with the remaining vanilla extract. Toasted nuts, like walnuts or pecans, sprinkled on top add a delightful crunch and nutty contrast to the soft, moist cake.

Side Dishes

This banana cake pairs wonderfully with a scoop of vanilla ice cream, a dollop of freshly whipped cream, or even a drizzle of caramel sauce. For a cozy breakfast twist, serve it alongside your favorite cup of coffee or chai tea to balance the sweetness with a comforting warmth.

Creative Ways to Present

Slice the cake into generous wedges and layer it with banana slices and whipped cream to create an impressive banana shortcake dessert. For celebrations, stack two layers with frosting or banana cream in between, topping with edible flowers or cinnamon dust for a stunning centerpiece.

Make Ahead and Storage

Storing Leftovers

Wrap leftover Buttermilk Banana Cake Recipe tightly in plastic wrap or store it in an airtight container at room temperature for up to 3 days. This keeps the cake moist and fresh, ready for spontaneous indulgence.

Freezing

You can freeze the cake either whole or sliced. Wrap it well in plastic wrap and then in foil to avoid freezer burn. Store in the freezer for up to 2 months. Thaw overnight in the refrigerator or at room temperature for a few hours before serving.

Reheating

For the best texture, warm slices gently in the microwave for 15-20 seconds or in a low-temperature oven wrapped loosely with foil. This reawakens the flavors and brings the cake back to that freshly baked experience.

FAQs

Can I substitute regular milk for buttermilk in this recipe?

While regular milk can be used, it won’t provide the same tender crumb and slight tanginess that buttermilk offers. If you don’t have buttermilk, mix 1 cup of milk with 1 tablespoon of lemon juice or vinegar and let it sit for 5-10 minutes to mimic buttermilk.

What if I don’t have ground cardamom?

Ground cardamom adds a unique warmth, but if you don’t have any, you can skip it or replace it with a pinch of cinnamon or nutmeg. Each alternative will give the cake its own lovely twist.

How ripe should the bananas be for this cake?

The bananas should be very ripe, preferably with brown spots on the peel. This ensures maximum sweetness and moisture, which are crucial for the rich flavor and texture of this cake.

Can I make this cake gluten-free?

Yes! Substitute the all-purpose flour with a gluten-free baking blend at a 1:1 ratio. Be sure to check whether your baking powder and baking soda are gluten-free as well.

Is it possible to bake this cake in a loaf pan instead of a round pan?

Absolutely. Use a standard 9×5-inch loaf pan and bake at 350°F. Baking time may vary—start checking around 45 minutes—until a toothpick comes out clean to avoid overbaking.

Final Thoughts

This Buttermilk Banana Cake Recipe truly brings together simple ingredients to create an extraordinary treat that feels both nostalgic and fresh. Whether you’re baking for family, friends, or yourself, this cake promises to deliver warmth and joy in every bite. Go ahead and try it—you’re going to fall in love all over again with what a humble banana cake can be!