Welcome to your new favorite dessert: an incredibly easy, one-layer banana snack cake recipe, complete with a delightfully creamy pudding frosting! Baked perfectly in a simple 9×9 inch square pan, this cake is designed for speed, simplicity, and irresistible flavor. Forget complicated multi-tier creations; this recipe focuses on pure, unadulterated banana goodness, delivering a moist and tender crumb that’s just as quick to prepare as our popular Cake Mix Banana Pudding Cake, but with the satisfying touch of being made entirely from scratch.

This delightful banana cake, crowned with a smooth layer of instant pudding frosting, is an absolute dream to bake. Its straightforward process makes it an ideal choice for bakers of all skill levels, ensuring a flawless result every time. It stands out as one of our most beloved overripe banana recipes, perfectly repurposing those neglected fruits into a culinary triumph. Whether you’re serving it as a delightful breakfast treat to start your day or a comforting dessert after a satisfying dinner, its inherent fruit content ensures a wonderfully moist and tender texture with every single bite.
The texture of this one-layer banana snack cake shares a comforting resemblance to our cherished Banana Bread Bundt Cake, yet it comes in a more modest, snack-sized form. If your craving calls for a sweet treat that’s perfect for a small family gathering or a cozy indulgence for just a few days, this 9×9 inch square cake is the ideal solution. Its single-layer design makes it less intimidating to bake and an excellent, economical way to utilize those perfectly browned, ripe bananas that might otherwise go to waste—a true tragedy for any banana lover!
While it requires a touch more stirring than our incredibly simple Banana Dump Cake, the effort of mashing fresh, ripe bananas pays off immensely. These golden-brown treasures infuse your baked goods with an unparalleled depth of flavor and moisture that you’ll absolutely crave. The natural sugars within perfectly ripened bananas, ideally somewhere between brown and black, contribute significantly to the cake’s sweetness. The darker the banana peel, the sweeter and more concentrated their natural sugars will be, promising a truly delectable and intensely flavorful outcome for your banana snack cake.

Mastering the Art of Banana Snack Cake: Tips and Tricks
Creating the perfect banana snack cake involves a few key steps and offers ample room for customization. While this recipe focuses on a square 9×9 pan for a single-layer delight, you can certainly adapt it. For instance, we’ve previously transformed this concept into a round cake, adding a layer of caramel and fruit slices at the bottom that magically become the topping after baking—a fantastic technique explored in our Banana Upside Down Cake. The beauty of this recipe lies in its versatility when it comes to add-ins. Feel free to personalize your cake with a variety of delicious elements, or simply enjoy it plain for an authentic banana flavor.
Flavorful Add-Ins to Elevate Your Banana Cake
From the crunch of crushed walnuts to the sweet bursts of mini chocolate chips, or even chewy caramel bits, the possibilities are endless. Other delightful additions include:
- **Pecans:** For a slightly different nutty profile.
- **Shredded Coconut:** Adds a tropical twist and extra moisture.
- **Dried Cranberries or Raisins:** Provides pockets of tangy sweetness.
- **Spices:** A pinch of cinnamon, nutmeg, or allspice can enhance the banana flavor beautifully.
- **Toffee Bits:** For an added layer of buttery crunch and sweetness.
When incorporating these add-ins, it’s generally best to fold them in gently at the very end of mixing to ensure even distribution without overworking the batter, which can lead to a tougher cake.
Pudding Frosting: Simple and Delicious Options
The star topping for this banana snack cake is our creamy pudding frosting, and you have two fantastic options to choose from:
- **Classic Instant Pudding Frosting:** Simply whisk together instant pudding mix (banana flavor is highly recommended for an extra punch!) and milk until smooth and thickened. This yields a light, sweet, and incredibly easy frosting that sets beautifully in the refrigerator.
- **Whipped Topping Pudding Frosting:** For an extra “wow” factor, fold in a tub of whipped topping (like Cool Whip) into your prepared instant pudding mixture. This creates our signature Cool Whip Pudding Frosting, offering a thicker, airier, and even creamier texture. It’s a bite of pure heaven, I tell you! We encourage you to try both variations to discover which luxurious texture you love best for your ultimate banana cake experience.
Regardless of your frosting choice, ensure the cake is completely cooled before applying the pudding layer to prevent it from melting or becoming runny.
Essential Baking Techniques for a Perfect Cake
For any cake, including this one, achieving a light and fluffy texture often comes down to proper mixing. Always remember to combine your dry ingredients (flour, baking powder, salt) in one large bowl and your wet ingredients (melted butter, brown sugar, eggs, vanilla, mashed bananas) in another. Once both mixtures are well combined separately, gradually incorporate the dry into the wet, mixing until just combined. Overmixing can develop the gluten in the flour too much, resulting in a dense or tough cake. Unlike some other pudding cakes that integrate dry pudding mix into the batter, here the delightful pudding is reserved for the luscious topping, adding a unique and delightful contrast.

Adapting Your Banana Cake to Different Pan Sizes
The 9×9 inch pan is ideal for this banana snack cake, yielding a perfectly sized, single-layer treat. However, much like our versatile Banana Bread with Yellow Cake Mix, you have the flexibility to adjust the pan size slightly. If you prefer a taller, more bread-like consistency, a rectangular loaf pan (the larger size) works wonderfully. Regardless of the pan shape, a crucial tip for easy removal and pristine presentation is to line your chosen pan with parchment paper. This simple step allows you to effortlessly lift the cooled cake out before placing it on a cooling rack, preventing it from sticking and ensuring an even bake.
Should you desire a grander, more elaborate dessert for a larger gathering, you can easily double this recipe to create two glorious cake layers. With two layers, you can add an extra generous helping of our delicious pudding frosting or a classic cream cheese frosting in between, creating a truly impressive and decadent banana cake. The combination of moist banana cake and a rich, creamy frosting is always a crowd-pleaser and transforms a simple snack cake into a celebration-worthy centerpiece.

Egg Substitutions: Baking an Egg-Free Banana Cake
For those with dietary restrictions or simply looking for an alternative, bananas are a fantastic natural egg replacer in many cake recipes, including this one! As a general rule, you can substitute 1 ripe, mashed banana for 1 large egg. This is an excellent option for creating an egg-free banana cake, which is great for allergies or specific dietary preferences. Not only does it act as a binder, but it also significantly boosts the moisture content of your cake, resulting in an exceptionally tender crumb. It’s important to note, however, that substituting all the eggs with bananas might result in a slightly denser cake than one made with eggs. While it will be incredibly moist, the texture will be a bit different, so keep this in mind when planning your bake.
The Secret to Flavor: Ideal Banana Ripeness for Baking
When it comes to baking a truly exceptional banana cake, the ripeness of your bananas is paramount. The best bananas to use are those that are significantly ripe, often appearing overall brown, or even bordering on overripe. You’re looking for bananas with a deep, dark yellow peel, heavily speckled with brown spots or patches. Crucially, they should be soft to the touch and effortlessly mashable when pressed. This level of ripeness indicates that the starches have converted into natural sugars, which contribute maximum sweetness, intense banana flavor, and essential moisture to your cake. Underripe bananas, conversely, lack this sweetness and can result in a dry, less flavorful cake.
Banana Snack Cake Recipe
Justine
10
40
12
Equipment
-
1 9×9 inch baking pan
-
2 mixing bowls
Ingredients
-
1
cup
butter,
unsalted, melted -
2
cup
brown sugar,
packed -
2
large
eggs,
at room temperature is best -
1
tsp
vanilla extract -
2
cup
all-purpose flour -
1/2
tsp
baking powder -
1/2
tsp
salt -
1
cup
mashed bananas,
ripe, browned
Pudding Frosting
-
1
box
instant pudding mix,
banana flavor -
1 3/4
cup
milk,
whole
Instructions
-
Preheat your oven to 350°F (175°C). Prepare a 9×9-inch baking pan by greasing it with nonstick cooking spray and lining it with parchment paper for easy removal. In a large mixing bowl, combine the melted butter and brown sugar, mixing until thoroughly blended and smooth. Beat in the eggs one at a time, ensuring each is fully incorporated before adding the next, then stir in the vanilla extract.
-
In a separate medium bowl, whisk together the all-purpose flour, baking powder, and salt until well combined. Gradually add these dry ingredients to the wet ingredients in the large bowl, mixing gently until just combined. Be careful not to overmix the batter. Finally, fold in the mashed bananas until they are evenly distributed throughout the batter. If desired, you can also fold in 1 cup of chopped toasted walnuts or other favorite add-ins at this stage.
-
Pour the prepared batter evenly into the lined 9×9-inch baking pan. Bake for 35 to 45 minutes, or until a wooden toothpick inserted into the center of the cake comes out with a few moist crumbs attached, indicating it is perfectly cooked without being dry.
-
While the cake is baking and cooling, prepare the banana pudding frosting. Whisk together the instant banana pudding mix and milk in a bowl until thickened. Alternatively, you can prepare our Pudding Frosting by folding in whipped topping for an even creamier texture. Place the prepared pudding in the refrigerator to chill and set while the cake cools completely.
-
Once the cake base is thoroughly cooled, spread the chilled banana pudding layer evenly over the top. For best results and to allow the pudding layer to fully set, refrigerate the finished cake for at least 2 hours before slicing and serving.
Nutrition
Serving:
2
oz
,
Calories:
424
kcal
,
Carbohydrates:
64
g
,
Protein:
5
g
,
Fat:
17
g
,
Saturated Fat:
11
g
,
Polyunsaturated Fat:
1
g
,
Monounsaturated Fat:
5
g
,
Trans Fat:
1
g
,
Cholesterol:
72
mg
,
Sodium:
294
mg
,
Potassium:
202
mg
,
Fiber:
1
g
,
Sugar:
39
g
,
Vitamin A:
578
IU
,
Vitamin C:
1
mg
,
Calcium:
94
mg
,
Iron:
1
mg
Nutrition information is automatically calculated, so should only be used as an approximation.
Additional Info
Breakfast, Dessert
American
Storing Your Banana Snack Cake: To Refrigerate or Not?
Yes, your delicious banana snack cake, especially with its creamy pudding frosting and the inclusion of fresh fruit, absolutely needs to be refrigerated. Baked goods that contain perishable ingredients such as whipped cream, cream cheese frosting, custards, or puddings are highly susceptible to spoilage if left at room temperature. Refrigeration is essential to maintain the cake’s freshness, prevent bacterial growth, and extend its shelf life. Always store your cake in an airtight container to protect it from absorbing other odors in the refrigerator and to keep it from drying out, ensuring each slice remains as fresh and delightful as the first.
Frequently Asked Questions About Banana Cake
Is it OK to use black bananas to bake with?
Absolutely! As long as your bananas show no signs of mold or an off-putting smell, they are perfectly safe and often ideal for baking. While a deep, dark brown peel is generally considered the peak for baking, extremely dark or “black” bananas mean their sugars are highly concentrated, leading to an even sweeter and more intensely flavored cake. To slow down the ripening process if your bananas get too dark before you’re ready to bake, you can store them in a bowl in the refrigerator for a few extra days.
Can dogs eat bananas?
While generally safe and healthy in moderation, always consult your veterinarian before introducing any new food to your pets, especially if they have known allergies or sensitivities. Overall, bananas can be a healthy and safe treat for dogs when given sparingly. They are low in cholesterol and sodium and packed with beneficial nutrients such as potassium, vitamin C, vitamin B6, and dietary fiber, contributing to a healthy canine diet.
How Long Does a Banana Cake with Fruit Last?
A banana snack cake, particularly one with fresh fruit and a moist pudding topping, is best enjoyed within 3 days. It can last up to 5 days if properly refrigerated in an airtight container. However, it’s important to be aware that the cake’s texture will gradually change over time. Due to the natural moisture from the bananas and the wetness of the pudding frosting, the cake may become increasingly gooey or soft as the days pass. While still delicious, the initial firm yet tender texture will evolve, so for the best experience, aim to consume it within the first few days.

Troubleshooting: Why is My Banana Cake Dry?
The most common culprit behind a dry banana cake is unfortunately overbaking. Achieving the perfect moistness requires careful attention to baking time. I cannot stress this enough: always set your oven timer to the minimum cook time suggested in the recipe card. Keep a close eye on your cake. As soon as the center no longer appears wet and the cake has visibly risen, it’s time to perform the toothpick test. Insert a clean toothpick into the very center; you are looking for it to come out with a few moist crumbs clinging to it, not completely dry. A completely clean toothpick indicates an overbaked cake, which will inevitably lead to dryness.
Once your cake passes the moist-crumb test, swift and proper cooling is equally vital. Have a wire cooling rack ready on your countertop. Allow the cake to remain in its hot baking pan for no more than 5 minutes. This brief period helps the cake to set without continuing to bake from the residual heat of the pan. After 5 minutes, carefully lift the cake out of the pan (using the parchment paper as a sling if you lined it) and transfer it directly onto the wire rack. Cooling the cake outside of the hot pan is essential; leaving it in the pan for too long will allow the trapped heat to continue cooking it, leading to further dryness. Proper cooling ensures your banana snack cake retains its exceptional moisture and tenderness.