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There is something deeply comforting about turning speckled, overripe bananas into a cake that feeds a crowd. This best banana cake recipe bakes into an ultra-moist, tender sheet cake with real banana flavor that tastes like Saturday mornings and warm kitchens. You do not need fancy equipment or professional skills. You just need a mixing bowl, a 9×13 pan, and about fifteen minutes of prep before the oven takes over.
I tested this recipe until the crumb turned soft and springy with a melt-in-your-mouth texture that stays moist for days. Brown sugar adds a subtle caramel depth while sour cream keeps every bite rich and tender. A thick layer of tangy cream cheese frosting spreads over the top like silk, balancing the natural sweetness of the fruit. The edges turn slightly golden while the center stays irresistibly soft.
This is the kind of easy homemade dessert you bake for birthdays, potlucks, or quiet afternoons when the house smells like vanilla and ripe bananas.
Let me walk you through every step.
Why You’ll Love This Recipe
- Ultra-moist crumb that stays tender for days
- One-bowl batter comes together in fifteen minutes
- Tangy cream cheese frosting balances the sweet banana base
- Uses overripe bananas so nothing goes to waste
- Feeds a crowd from a single 9×13 pan
- Easy to transport for potlucks and parties
Ingredients
| Ingredient | Amount |
|---|---|
| Cake | |
| All-purpose flour | 2 1/2 cups (320 g) |
| Baking soda | 1 teaspoon |
| Baking powder | 1 teaspoon |
| Fine sea salt | 1/2 teaspoon |
| Ground cinnamon | 1 teaspoon |
| Unsalted butter, softened | 1/2 cup (115 g) |
| Granulated sugar | 1/2 cup (100 g) |
| Light brown sugar, packed | 1/2 cup (100 g) |
| Large eggs, room temperature | 3 |
| Very ripe bananas, mashed | 1 1/2 cups (350 g) |
| Sour cream, room temperature | 1/2 cup (120 g) |
| Vanilla extract | 1 1/2 teaspoons |
| Cream Cheese Frosting | |
| Cream cheese, softened | 8 oz (225 g) |
| Unsalted butter, softened | 1/2 cup (115 g) |
| Powdered sugar, sifted | 3 cups (360 g) |
| Vanilla extract | 1 teaspoon |
| Fine sea salt | 1/8 teaspoon |
How to Make It
Preheat your oven to 350 degrees F (175 degrees C). Grease a 9×13 inch baking pan and line the bottom with parchment paper. (3 minutes)
In a medium bowl, whisk the flour, baking soda, baking powder, salt, and cinnamon together. Set this aside. (2 minutes)
In a large bowl, beat the softened butter, granulated sugar, and brown sugar on medium speed until the mixture looks pale and fluffy. This takes about 2 minutes. (2 minutes)
Add the eggs one at a time, beating well after each addition. Mix in the mashed bananas, sour cream, and vanilla. The batter will look slightly curdled. That is normal. (3 minutes)
Turn the mixer to low and add the dry ingredients in three additions. Pro tip: Do not overmix once the flour goes in. Mix just until you no longer see flour streaks. A few lumps keep the crumb light and tender. (2 minutes)
Pour the batter into your prepared pan and spread it evenly with a spatula. Tap the pan gently on the counter to release any large air bubbles. (2 minutes)
Bake for 30 to 35 minutes. The top should look golden and a toothpick inserted in the center should come out with just a few moist crumbs. Pro tip: Start checking at the 28-minute mark to avoid overbaking, which dries out the crumb. (30 to 35 minutes)
Let the cake cool in the pan for 15 minutes, then lift it out using the parchment overhang and transfer to a wire rack. Cool completely before frosting. (1 hour 15 minutes)
Beat the cream cheese and butter together until smooth and fluffy, about 2 minutes. (2 minutes)
Add the powdered sugar, vanilla, and salt. Beat on low until combined, then increase to medium for 1 minute until the frosting spreads like silk. (3 minutes)
Spread the frosting over the completely cooled cake. Swirl the top with the back of a spoon for a rustic look. Slice into squares and serve. (5 minutes)
Macros & Nutrition
| Per Serving (1 slice, makes 15) | Amount |
|---|---|
| Calories | 435 kcal |
| Protein | 5 g |
| Carbs | 59 g |
| Net Carbs | 58 g |
| Fat | 20 g |
| Fiber | 1 g |
Note: Macros are estimated using standard USDA database values for all listed ingredients divided by 15 servings. Exact numbers may vary slightly depending on banana size and how generously you spread the frosting.
Pro Tips & Variations
- Swap sour cream for full-fat Greek yogurt if that is what you have in your fridge. The tang and moisture stay the same.
- Make the cake a day ahead. Wrap it tightly in plastic wrap and frost it the next day. The flavor deepens overnight.
- For a naked layer cake, divide the batter between two 9-inch round pans and bake for 25 to 30 minutes. Cool completely before frosting the top and sides.
- Toast chopped walnuts and press them into the frosting for a crunchy contrast against the soft crumb.
- Dietary variation: For a gluten-free banana cake, replace the all-purpose flour with a 1-to-1 gluten-free baking blend that contains xanthan gum. The texture stays moist and tender.
Serving Suggestions
- Serve chilled with a cold glass of milk or a strong cup of black coffee.
- Add a handful of fresh berries on the side for a bright, juicy contrast.
- Pair with a scoop of vanilla bean ice cream for an easy weeknight dessert.
Storage & Reheating
Store the frosted cake in an airtight container in the refrigerator for up to 5 days. The cold actually improves the texture and makes the frosting set like fudge. You can freeze unfrosted cake wrapped tightly in plastic wrap and foil for up to 3 months. Thaw overnight in the refrigerator and frost before serving. Individual slices can be frozen for up to 2 months. Let them thaw at room temperature for 30 minutes before eating.
FAQ
Q: Why is my banana cake dense and heavy?
A: Dense texture almost always comes from overmixing the batter or packing too much flour into your measuring cup. Always spoon flour into the cup and level it off. Mix the wet and dry ingredients just until combined. A few lumps are fine and keep the crumb light and tender.
Q: Can I use frozen bananas for this homemade banana cake?
A: Yes. Thaw them completely and drain off any excess liquid before mashing. Frozen bananas are often even sweeter and more concentrated in flavor, which makes the cake extra moist.
Q: How do I keep the cream cheese frosting from getting too soft?
A: Make sure both the cream cheese and butter are softened but still cool to the touch. If the frosting gets runny, chill it in the refrigerator for 15 minutes, then beat it again until it firms up.
Q: Can I bake this easy banana cake in a bundt pan?
A: Yes, but double the recipe and bake for 50 to 60 minutes at 350 degrees F. A bundt pan needs more batter to fill the decorative shape. Grease every crevice well so the cake releases cleanly.
Q: Why did my banana cake sink in the middle?
A: Sinking usually means the oven door opened too early or the baking soda and powder were expired. Check that your leaveners are fresh and avoid peeking before the 25-minute mark. The center needs time to set fully.
Call to Action
I hope this banana cake becomes your new signature bake. If you make it, leave a comment and tell me how you topped it. Save this recipe to your Pinterest dessert board for quick access, and share it with a friend who needs an easy homemade crowd-pleaser. If you love banana bakes, check out my banana muffins next. They use the same overripe fruit and bake into golden-edged, grab-and-go treats in half the time.
