Desserts
This banana cake recipe round tin delivers the perfect balance of moist, banana-infused layers and a nutty streusel topping that adds just the right crunch. 💛 After years of testing variations, I've perfected a recipe that stays tender without turning dense—no one will guess it's made with ripe bananas instead of frosting. The secret lies in the right ratio of leavening agents and a touch of sour cream for that signature cake texture.
What sets this recipe apart is the walnut streusel topping, which caramelizes beautifully during baking and adds a satisfying contrast to the soft cake beneath. You'll start with simple pantry staples—flour, sugar, eggs, and of course, bananas—but the technique ensures a moist crumb that stays fresh for days. It's the kind of cake that disappears quickly, whether served at brunch or as an after-dinner treat.
The baking process is straightforward: mix wet and dry ingredients separately, then combine gently to avoid overmixing. A round tin ensures even baking, and the cake emerges with a golden top and perfectly domed shape. The walnut streusel adds visual appeal and a delightful texture that pairs perfectly with the cake's natural sweetness.
This recipe is ideal for home bakers who want restaurant-quality results without fuss. Serve it warm with vanilla ice cream or dusted with powdered sugar for a classic finish. Here's how to make it!
Ingredients for banana cake recipe round tin
Simple pantry staples and ripe bananas transform into a tender cake with irresistible walnut crunch.
| Ingredient | Amount | Notes |
|---|---|---|
| Ripe Bananas 🍌 | 2 whole | Overripe with brown spots preferred |
| All-Purpose Flour 🌾 | 2 cups | Sifted for light texture |
| Granulated Sugar 🍚 | 1 ½ cups | White or light brown |
| Packed Brown Sugar 🍚 | ½ cup | Light or dark variety |
| Large Eggs 🥚 | 2 whole | Room temperature preferred |
| Unsalted Butter 🧈 | ¾ cup | Softened, not melted |
| Sour Cream 🥛 | ½ cup | Full-fat for moisture |
| Baking Soda 🧂 | 1 tsp | Not baking powder |
| Ground Cinnamon 🌿 | 2 tsp | Freshly ground preferred |
| Salt 🧂 | ½ tsp | Fine sea salt |
| Vanilla Extract 💧 | 1 tsp | Pure alcohol-free if preferred |
| Walnuts 🥜 | 1 cup | Chopped, toasted for streusel |
| Old-Fashioned Oats 🌾 | ½ cup | Quick oats work too |
| Powdered Sugar 🍚 | ¼ cup | For streusel sweetness |
| Melted Butter 🧈 | ¼ cup | Cooled slightly for streusel |
The bananas are the star—look for those with brown spots, not green ones. Trader Joe's and Whole Foods usually have perfectly ripe ones year-round. Walnuts should be fresh, not stale—Costco sells them in bulk for better value. For the flour, King Arthur is my go-to for consistent results, but any all-purpose works. The sour cream might sound odd in cake, but it's what keeps this moist for days. Grab full-fat if you've got it—it makes a noticeable difference.
No ripe bananas? Frozen bananas work perfectly—thaw and drain first. Substituting walnuts? Pecans or hazelnuts add different flavors but still work. Running low on sour cream? Plain Greek yogurt at half the amount does the trick. The baking soda and cinnamon are non-negotiable—they're what create that signature banana cake flavor. For the streusel, toasted nuts add depth, but raw works in a pinch. Just don't skip the oats—they're what give that perfect crunch.
Store the cake in an airtight container for up to 5 days—it actually tastes better the next day. The streusel topping stays crisp for 3 days if kept covered. Freeze portions for up to 3 months by wrapping tightly in plastic. I always make a double batch—one for now, one for later. The walnuts in the streusel keep best in the freezer if you're not using them soon.
Why You'll Love This Recipe
- No Mash Required: I’ll admit it—mashing bananas used to stress me out. But this cake? Just smash the ripe ones with a fork until they’re mostly smooth. The texture stays tender, and honestly, no one notices the tiny lumps.
- Sweet & Spiced Magic: That combo of granulated and brown sugar—plus the warm cinnamon (if you add it)—creates a flavor that’s ridiculously good. The ripe bananas give it natural sweetness, so you won’t need to overdo it. Trust me, the first bite makes you want another.
- Lunchbox Hero: Slice it up, wrap it in foil, and it’s a hit for school lunches or office snacks. The round tin keeps it sturdy, and the moist crumb stays fresh for days. My kid’s teacher actually asked for the recipe after tasting a piece.
- Pantry Staple Power: You’re using ingredients you already have—flour, sugar, eggs—plus whatever bananas are turning brown. No fancy substitutions, no last-minute grocery runs. And if it sits overnight? Even better—tastes like it’s been baked fresh.
Step-by-step instructions for banana cake in a round tin
Here's how to create a perfectly moist banana cake with a crunchy walnut streusel topping.
👨🍳 Step 1: Prepare the Banana Mixture
Preheat your oven to 350°F and grease a 9-inch round cake pan with butter or baking spray. In a medium bowl, mash the 2 whole ripe bananas until smooth—just a few small lumps are fine. The riper the bananas, the sweeter and more flavorful your cake will be.
In a separate large bowl, whisk together the 2 cups all-purpose flour, 1.5 cups granulated sugar, 0.5 cup packed brown sugar, 1 tsp baking soda, 2 tsp ground cinnamon, and 0.5 tsp salt. Sift the dry ingredients first to remove any lumps and ensure even distribution. This step prevents dense pockets in your finished cake.
👨🍳 Step 2: Combine Wet Ingredients and Create the Batter
Add the mashed bananas to the dry ingredients and mix just until combined. In another bowl, beat the 2 whole large eggs until frothy, then add the 0.75 cup softened unsalted butter and 0.5 cup sour cream. Mix until smooth and creamy. The butter should be softened but not melted—press your finger into it to test.
Gradually pour the wet ingredients into the dry mixture while mixing on low speed. Add the 1 tsp vanilla extract and mix until just combined—overmixing develops gluten and makes the cake tough. The batter should be thick but pourable. Pour the batter into the prepared cake pan and smooth the top with a spatula.
🥘 Step 3: Make the Walnut Streusel Topping
In a small bowl, combine the 1 cup chopped walnuts, 0.5 cup old-fashioned oats, 0.25 cup powdered sugar, and 0.25 cup melted butter (cooled slightly). Use your fingers or a fork to mix until the ingredients clump together. The streusel should resemble wet sand—if it's too dry, add a few drops of milk.
Sprinkle the streusel evenly over the batter in the cake pan, pressing down gently to ensure it sticks. This topping will add texture contrast and prevent the cake from drying out too quickly. For extra flavor, lightly toast the walnuts in a dry pan over medium heat for 3-4 minutes until fragrant before adding them to the streusel mixture.
🔥 Step 4: Bake to Golden Perfection
Place the cake pan in the preheated oven and bake for 40-45 minutes, or until a toothpick inserted into the center comes out clean with just a few moist crumbs. The cake should be golden brown at the edges, and the streusel topping should be crisp and slightly caramelized. Avoid opening the oven door during baking—this causes the cake to sink.
If the top browns too quickly, tent the pan with aluminum foil. Once the cake is done, remove it from the oven and let it cool in the pan for 10 minutes. Then transfer it to a wire rack to cool completely. The cake will be moist and tender, with a delightful crunch from the walnut streusel on every bite.
Pro Tips For Making Banana Cake Recipe Round Tin
- Mash Bananas Thoroughly: I learned this the hard way—lumpy mashed bananas make for a cake with uneven texture. Use a fork first, then press through a fine-mesh sieve or food mill to remove skins and get a smooth batter. (Yes, it’s extra work, but the crumb will be worth it.)
- Preheat Oven to 350°F: A hot oven from the start guarantees even baking and a domed top. Skip preheating, and you’ll end up with a dense, undercooked center while the edges burn. Let it heat for 10–15 minutes with the cake pan inside—no excuses.
- Don’t Overmix the Batter: Once you add flour, mix just until combined—overworking it turns your cake into tough, dense bread. Stir with a spatula until no dry spots remain, then stop. (I know, it feels weird to leave it looking slightly uneven, but trust me.)
- Use Room-Temp Eggs: Cold eggs curdle in warm batter, creating pockets of air that deflate during baking. Crack eggs into a bowl, let them sit for 30 minutes while you prep the bananas, and you’ll avoid a cake with sunken spots or uneven texture.
Wine and beer pairings for these flavors
Sweet Wine Pairings
This banana cake's caramelized walnut streusel and moist banana layers call for wines with complementary sweetness and acidity. A Moscato d'Asti from Italy is my go-to—its crisp apple and peach notes mirror the cake's natural sweetness while the effervescence cuts through the richness. 🍷 For a slightly bolder option, try a Riesling from Germany, particularly an off-dry variety like Dr. Loosen Blue Slate, which balances the cake's warmth with its citrusy brightness.
Rich Dessert Beers
If you prefer beer, a Belgian Dubbel like Westmalle Trappist delivers malty depth that stands up to the walnut crunch. The caramel and spice notes in the beer harmonize beautifully with the cake's cinnamon and brown sugar. For a lighter option, a Honey Brown Ale (like New Belgium Fat Tire) adds subtle sweetness and smoothness that won't overpower the cake's natural flavors.
Coffee Liqueur Twist
For a post-dinner treat, serve slices with a splash of Kahlúa or Tia Maria coffee liqueur drizzled over the top. The coffee's bitterness contrasts perfectly with the cake's sweetness, while the liqueur's viscosity adds a luxurious texture. I like to warm the cake slightly before serving—just 10-15 seconds in the microwave—to enhance the flavors when paired with coffee.
Creamy Pairing Options
Vanilla ice cream is a classic choice, but for something unexpected, try salted caramel ice cream—the salt enhances the cake's cinnamon notes. If you prefer dairy-free, coconut milk ice cream adds tropical warmth that complements the banana. For a lighter option, whipped cream with a sprinkle of toasted coconut flakes provides a refreshing contrast to the dense cake.
Seasonal Adaptations
In warmer months, pair with sparkling peach iced tea—the effervescence cleanses the palate between bites. For fall, a spiced chai latte (made with vanilla chai concentrate and steamed milk) enhances the cake's cinnamon and walnut flavors. I often make a double batch in autumn and serve it with a pumpkin spice latte for a cozy dessert experience. 🍂
Nutrition facts
Frequently asked questions
Can I use green bananas instead of ripe ones?
Green bananas won't work well—they're too starchy and lack sweetness. For the best flavor, use bananas with brown spots or frozen bananas (thawed and drained). If you're desperate, you could use unripe bananas but expect a denser texture and less banana flavor. The recipe counts on ripe bananas for that signature moistness and natural sweetness.
How do I keep the cake from drying out?
The secret is the sour cream and proper storage. The sour cream keeps the cake moist, while storing it in an airtight container preserves freshness. For extra moisture, brush the top with simple syrup (equal parts sugar and water, heated until dissolved) after baking. This cake stays fresh for 5 days if wrapped tightly.
Can I make this cake in a different shaped pan?
Yes, but adjust the baking time. A 9-inch square pan works well but may need 35-40 minutes instead of 40-45. For a bundt pan, increase to 50-55 minutes. The key is checking with a toothpick—it should come out with moist crumbs, not wet batter. The round shape is ideal for even baking and presentation, but any pan works with time adjustments.
What if I don't have walnuts for the streusel?
No problem! Swap walnuts for pecans, hazelnuts, or even chopped dates for a different flavor. For a nut-free option, use shredded coconut or extra oats. The streusel still needs the 0.25 cup melted butter and 0.25 cup powdered sugar to bind. If you skip nuts entirely, the cake will be slightly less crunchy but still delicious.
Why did my cake sink in the middle?
This usually happens from opening the oven door too soon or overmixing the batter. Avoid checking the cake until the 30-minute mark, and mix just until combined—overmixing develops gluten. Also ensure your oven is fully preheated and the cake pan is properly greased. If it happens, don't worry—just slice it thicker and serve warm with ice cream!