Banana Cake

Banana Cake
⏱️ cook time 1 hour 45 minutes
🍽️ servings 8
⚡ Difficulty easy

intro

Ultra-moist, tender banana cake packed with ripe, sweet banana flavor, lightly spiced with cinnamon, ideal for casual sharing and everyday sweet treats.

Ingredients

Ripe spotty bananas 3 large (approx 450g peeled, yields 375ml mashed)
All-purpose flour 240g (2 cups, spooned and leveled)
Unsalted butter 118g (1/2 cup plus 1 teaspoon, softened, divided)
Granulated sugar 100g (1/2 cup)
Packed light brown sugar 100g (1/2 cup)
Large eggs 2, room temperature
Whole milk 120ml (1/2 cup, room temperature)
Baking soda 5g (1 teaspoon)
Fine sea salt 3g (1/2 teaspoon)
Ground cinnamon 1.5g (1/2 teaspoon)
Pure vanilla extract 5ml (1 teaspoon)

Steps

1

Prep Oven and Pan

Preheat your oven to 175°C (350°F), with a rack positioned in the middle. Use 5g (1 teaspoon) of the softened butter to grease a 9-inch (23cm) round cake pan, then line the bottom with a circle of parchment paper to prevent sticking. Set the prepared pan aside.

Step 1
step1:Prep Oven and Pan
2

Mash Ripe Bananas

Peel the 3 ripe spotted bananas, place them in a medium mixing bowl, and mash thoroughly with a fork until you have a smooth pulp with very few small lumps, about 2 minutes of mashing. Measure out 375ml (1.5 cups) of mashed banana, and set aside any excess for other uses.

Step 2
step2:Mash Ripe Bananas
3

Cream Butter and Sugars

In a large mixing bowl, combine the remaining 113g (1/2 cup) softened unsalted butter, 100g granulated sugar, and 100g packed light brown sugar. Beat with an electric hand mixer on medium speed (setting 4 on most standard mixers) for 3 minutes until the mixture is light, fluffy, and pale golden. Add the 2 room-temperature eggs one at a time, beating for 30 seconds after each addition, then stir in the 5ml vanilla extract and measured mashed banana until fully combined.

Step 3
step3:Cream Butter and Sugars
4

Mix Dry Ingredients

In a separate medium bowl, whisk together the 240g spooned and leveled all-purpose flour, 5g baking soda, 3g fine sea salt, and 1.5g ground cinnamon for 30 seconds until evenly distributed, with no visible clumps of baking soda or cinnamon remaining.

Step 4
step4:Mix Dry Ingredients
5

Combine Cake Batter

Alternate adding 1/3 of the dry ingredient mix and 1/2 of the 120ml room-temperature whole milk to the wet banana mixture, stirring gently with a rubber spatula after each addition, starting and ending with dry ingredients. Stop stirring as soon as no dry flour streaks remain—do not overmix. Pour the smooth, thick batter evenly into the prepared cake pan, and smooth the top with the spatula.

Step 5
step5:Combine Cake Batter
6

Bake and Cool Cake

Place the pan on the middle oven rack and bake for 38-42 minutes at 175°C (350°F), until a wooden toothpick inserted into the center comes out with 2-3 small moist crumbs attached (not wet batter). Once done, remove the pan from the oven and let the cake rest in the pan for 10 minutes, then turn it out onto a wire rack to cool completely to room temperature, about 40 minutes, before slicing and serving.

Step 6
step6:Bake and Cool Cake

Tips

1.Use very ripe, heavily spotted bananas (peels 70-80% brown) for the deepest, sweetest banana flavor; firm yellow underripe bananas will produce a bland, starchy cake.
2.Do not overmix the batter once dry ingredients are added, as overstirring develops wheat gluten and will result in a dense, tough cake instead of a light, tender crumb.
3.Store cooled cake tightly wrapped in plastic wrap at room temperature for up to 3 days; the cake will become even more moist and flavorful on the second day after baking.

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Banana Cake:Frequently Asked Questions

1.How ripe do my bananas need to be for the best banana cake flavor?
Aim for bananas heavily covered in brown spots, with peels at least 70% brown—this is when their starch fully converts to sweet, concentrated banana flavor with no starchy aftertaste. If your bananas are too firm and yellow, ripen them fast on a baking sheet at 300°F for 15 to 20 minutes until peels turn deep black, then cool before using.
2.Why does my banana cake turn out dry instead of moist?
Dry banana cake almost always comes from overmeasuring your all-purpose flour (packing it too tight creates a dense, dry crumb) or overbaking. Measure flour by spooning it into your measuring cup and leveling it off with a knife, and start checking for doneness 5 minutes before the recipe’s minimum bake time to avoid overcooking.
3.Can I use salted butter instead of unsalted butter in this recipe?
You absolutely can, just adjust any added salt in the recipe to compensate. If using standard salted butter, cut added fine salt by ¼ teaspoon per stick of butter called for, so you don’t end up with an overly salty cake that masks the sweet banana and warm, subtle cinnamon notes.
4.Do I really need both granulated sugar and packed light brown sugar for this cake?
The two sugars work together to create the perfect moist texture and balanced flavor: granulated sugar adds light, clean sweetness and helps the cake rise tenderly, while packed light brown sugar adds subtle caramel depth and extra moisture from its molasses content. Swapping one entirely changes texture and flavor, so stick to the blend for best results.
5.How do I keep my banana cake from turning dense and gummy at the bottom?
Gummy, dense bottoms usually happen from overmixing the batter after adding all-purpose flour, which develops excess gluten, or using overly waterlogged bananas that leak too much liquid into the batter. Mash bananas just until they have small, soft lumps, and stir flour in only until no dry streaks remain to avoid this issue.
6.Can I add mix-ins like chocolate chips or nuts to this cake?
Definitely! This lightly cinnamon-spiced base pairs beautifully with ½ to ¾ cup of semi-sweet chocolate chips, chopped toasted walnuts, pecans, or even shredded sweetened coconut. Toss your mix-ins in a pinch of all-purpose flour before folding them in to keep them from sinking to the bottom of the pan as it bakes.
7.How should I store this banana cake to keep it as moist as possible?
Let the cake cool completely to room temperature first, then wrap it tightly in plastic wrap or store it in an airtight container. It will stay perfectly moist on the counter for up to 3 days, or in the fridge for up to a week. You can also freeze wrapped slices for up to 3 months, thawing at room temp when you want a treat.
8.What pan size works best for this homemade banana cake?
A standard 9x13 inch metal baking pan works perfectly for a casual, shareable sheet cake style, or you can use two 9-inch round cake pans if you want to layer it with cream cheese frosting. If using glass bakeware, reduce your oven temperature by 25°F to prevent edges from overbrowning before the center sets.
9.Why do my banana cake edges get overly crispy before the center is done?
Crispy, overdone edges usually mean your oven is running too hot, or you greased your pan too heavily so edges fry as they bake. Use an inexpensive oven thermometer to confirm your actual oven temperature matches the setting, and only grease the pan lightly, wiping away any excess with a paper towel.
10.Can I adapt this recipe to make it gluten-free?
Yes, you can swap the all-purpose flour for a 1:1 gluten-free all-purpose baking blend that contains xanthan gum for the closest texture match. Be extra careful not to overmix the gluten-free batter, and add 1 extra tablespoon of mashed banana to keep the crumb tender, since gluten-free flours absorb more moisture.
11.How do I tell when the banana cake is fully done baking?
Test for doneness by inserting a wooden toothpick into the center of the cake: it should come out with 2 to 3 small, moist crumbs attached, not completely clean (that means it’s overbaked!) and not coated in wet, runny batter. The top will also spring back gently when pressed lightly with a fingertip.
12.Can I reduce the amount of sugar in this recipe without ruining its moist texture?
You can cut total sugar by up to ¼ cup (split evenly between the granulated and packed light brown sugar) without major texture changes, since very ripe bananas add lots of natural sweetness. Don’t cut more than that, though—sugar doesn’t just sweeten, it locks in moisture and helps the cake rise to a tender crumb.
13.Does this banana cake need frosting, or can I serve it plain?
It’s delicious completely plain, thanks to its rich banana flavor and warm cinnamon notes, which makes it perfect for quick breakfasts or casual snacks. If you want to dress it up for sharing, a thin layer of cream cheese frosting, dusting of powdered sugar, or simple vanilla glaze pairs perfectly without overpowering the banana.
14.Can I use frozen, thawed bananas for this banana cake?
Frozen, thawed bananas work perfectly for this recipe, actually! The freezing process breaks down the bananas’ cell structure, making them extra soft and sweet for ultra-moist results. Just drain off any excess separated liquid before mashing, so you don’t add too much extra moisture that makes the cake gummy.

Comments (16)

2 days ago

OMG this banana cake is ACTUALLY moist, not the dry crumbly mess I usually end up with when I use overripe bananas! My 3 kids devoured half the pan after school yesterday, even my super picky 7 year old asked for a second slice. I added a tiny handful of chocolate chips because we’re chocoholics over here and it was chef’s kiss. 10/10 will be making this for our neighborhood potluck next weekend!

1 day ago

Wait the chocolate chip addition sounds genius! I’m making this for my book club potluck too, do you think semi-sweet or dark chocolate works better?

20 hours ago

So glad your family loved it! Semi-sweet chocolate chips pair perfectly with the sweet banana flavor here, though dark chocolate is a great pick if you prefer a less sweet bite. Can’t wait to hear how the potluck version turns out!

3 days ago

I’ve never baked anything from scratch before and this was so easy to follow! I was worried I’d mess up the measurements since I don’t have a fancy kitchen scale, but the cup measurements were totally accurate. The cook time was spot on too—mine came out perfectly tender at exactly 1 hour 45 minutes, no raw middle or burnt edges. SO good, my roommates are already begging me to make it again.

2 days ago

That makes us so happy to hear! This recipe is designed to be totally approachable for new bakers, no fancy equipment required. So stoked your roommates are fans—next time you could try a quick cream cheese frosting on top if you’re feeling fancy!

1 week ago

I made this Sunday as part of my weekly meal prep for quick breakfasts and snacks, and it held up perfectly in an airtight container all week! I love that it’s not overly sweet so it doesn’t feel like a sugar bomb first thing in the morning. I sliced it up and wrapped individual pieces in parchment paper for easy grab-and-go, total game changer for busy work mornings.

5 days ago

Made this for my family’s Sunday dinner after church and everyone raved! I topped mine with a cream cheese frosting and a sprinkle of chopped pecans like my grandma used to do, and it transported me right back to her kitchen. The only tiny note I have is that my oven runs hot, so I turned the temp down 25 degrees and it still cooked 10 minutes faster than the listed time, so definitely keep an eye on it if your oven runs warm!

4 days ago

Thanks for the tip about hot ovens! Mine is always running 30 degrees over for some reason, I would’ve burnt this to a crisp if I hadn’t seen your comment. Saved me a huge baking fail!

3 days ago

Great call adjusting for your oven! All ovens run a little differently, so the toothpick test (inserted in the center comes out with a couple moist crumbs) is always the most reliable way to check doneness. The pecan and cream cheese topping sounds absolutely delicious!

2 hours ago

Wait, can I use frozen bananas for this? I have a ton stashed in my freezer from when I bought too many last week and I don’t feel like waiting for them to thaw fully if I don’t have to. Has anyone tried that?

30 minutes ago

I used frozen bananas last time I made this! Just thaw them in the microwave for 30 seconds, drain off a tiny bit of the extra liquid, and mash them up like normal. You literally can’t tell the difference, it comes out just as moist!

5 days ago

I tested this with my go-to 1:1 gluten free all purpose flour blend last night and it came out PERFECT! No grit, no gummy texture, just as moist as the regular version. I was so shocked, usually gluten free baked goods are so hit or miss for me. 10/10, this is going in my permanent recipe rotation.

3 days ago

That’s such fantastic feedback! We get so many questions about gluten free swaps, so we’re thrilled to hear the 1:1 blend works seamlessly here. Thanks for sharing your experience to help other gluten free bakers!

just now

I paired a slice of this with my morning latte today and it’s the perfect match. Not too sweet, super banana-forward, moist without being soggy. I didn’t add any extra toppings or mix-ins because I wanted that classic banana bread-adjacent cake vibe, and it hit every single note. Will be making this bi-weekly for sure.

1 week ago

I made this for my son’s 8th birthday party because he begged for banana cake instead of the usual chocolate, and I was so nervous it wouldn’t be a hit with a house full of sugar-crazy kids. Y’all, every single kid asked for seconds, and multiple parents asked for the recipe! I slathered it with a peanut butter frosting because my son is obsessed with peanut butter and banana, and it was such a hit.

5 days ago

Peanut butter frosting?! That combo is my love language. Did you use creamy or crunchy peanut butter for the frosting?

4 days ago

We love the peanut butter frosting swap! That sounds like the ultimate kid-approved combo. So happy it was a birthday hit—nothing beats a recipe that wins over a crowd of picky party guests!

30 minutes ago

Quick question—has anyone tried making this vegan? I’m thinking of swapping the eggs for flax eggs and using oat milk instead of dairy, but I don’t want to waste bananas if it’s going to turn out dry.

10 minutes ago

I made it vegan last week! Used 3 flax eggs and unsweetened oat milk, baked it the exact same way, and it was so moist and fluffy. No weird aftertaste at all, my non-vegan boyfriend didn’t even notice it wasn’t the regular version!

2 weeks ago

I’ve been making banana cake for 40 years and I have to say, this recipe is better than my old go-to. The sour cream in the batter is the secret to that next-level moisture, I can’t believe I never thought to add that before. My grandkids are visiting next month and I already know this is going to be the first treat I bake for them.

1 week ago

I brought this to our office team lunch last week and it was gone in 10 minutes flat. People were scraping the edges of the pan to get the last bits! I didn’t even have time to grab a second slice before it was all gone. Definitely making a double batch next time so I can actually have more than one piece.

6 days ago

Wait was this the cake you brought in last Wednesday?! If so, I was the one who took the last piece, sorry not sorry, it was the best thing I ate all week. I’ve been searching the office email thread for the recipe ever since!

5 days ago

That’s too funny! A double batch is definitely the move for office events—this cake tends to disappear fast. So glad it was a hit with your team!

5 days ago

I made this in my tiny dorm oven with super spotty bananas I got for 20 cents each at the campus grocery store, and it turned out amazing! I didn’t even have a mixing bowl, I used a big plastic storage bin to mix the batter and it still worked. Super forgiving recipe, perfect for broke college kids who don’t have fancy kitchen stuff.

3 days ago

This cake is great, but I found it just a touch too sweet for my taste. I cut the granulated sugar by 1/4 cup when I made it a second time and it was perfect for me—still plenty sweet from the ripe bananas, but it didn’t leave that sugary aftertaste I don’t love. Just wanted to share that tip for anyone else who prefers less sweet baked goods!

2 days ago

Thanks so much for sharing that tip! Sugar preference is so personal, so that’s a fantastic adjustment for folks who love a less sweet treat. The ripe bananas add so much natural sweetness that it’s easy to scale back the added sugar without losing texture or flavor!

yesterday

Okay hear me out—this cake is so moist and flavorful on its own that you don’t even need frosting. I know everyone is talking about cream cheese or peanut butter frosting, but I ate mine plain and it was perfect. No extra sugar needed, the banana flavor is the star here.

3 hours ago

Thank you!!! I thought I was the only one who thinks banana cake doesn’t need frosting. Everyone looks at me crazy when I say that, but the cake itself is so good why cover it up? Can’t wait to make this this weekend.

2 weeks ago

I wrapped up thick slices of this cake to take on my day hike in Rocky Mountain National Park last weekend, and it was the perfect trail snack. It didn’t get squished in my pack, it held up for hours without being refrigerated, and it gave me the perfect sugar boost when I was halfway up the trail. Way better than boring granola bars!

5 minutes ago

I’ve burned every single banana bread/cake I’ve tried to make in the last year, so I went into this fully expecting to mess it up. Y’all, I followed the instructions exactly, set a timer, did the toothpick test, and it came out perfectly golden, moist all the way through, no burnt bottom at all. I’m actually so proud of myself, I brought a slice over to my neighbor to show off and she asked for the recipe immediately.

2 minutes ago

Yesss that’s such a win! I used to burn every banana bake too until I started putting a baking sheet under my pan to catch any hot spots in my oven. So happy you got a perfect bake!

1 minute ago

That’s the best news ever! We’re so glad this recipe helped you break your banana cake losing streak. Nothing beats that feeling of pulling a perfect bake out of the oven—great job!