Banana Pudding Cake

The smell of bananas browning on the kitchen counter has always been a kind of clock in my house, ticking toward something sweet. My grandmother never let anything go to waste, and her answer was always pudding, but one rainy Saturday I decided to push it further and sandwich that pudding between two layers of banana cake. The result was messy, slightly lopsided, and absolutely unforgettable.

I brought this cake to a friends backyard barbecue once and watched three adults quietly argue over who got the last slice. Someone tried to cut a sliver from the edge and another person physically blocked the plate with their hand.

Ingredients

• All-purpose flour (2 cups, 250 g): The backbone of the cake, sift it once to keep things light and avoid any dense pockets.
• Baking powder (1 1/2 tsp) and baking soda (1/2 tsp): Together with the acidic buttermilk, this duo gives the cake its gentle rise and soft crumb.
• Salt (1/2 tsp): Just enough to make the sweetness sing without tasting salty.
• Unsalted butter (3/4 cup, 170 g), softened: Room temperature butter creams properly, which is the whole secret to a fluffy texture.
• Granulated sugar (1 1/4 cups, 250 g): Cream it thoroughly with the butter until the mixture looks pale and cloud-like.
• Large eggs (3): Add them one at a time so the batter stays emulsified and smooth.
• Vanilla extract (1 tsp): Use the real stuff here because the banana flavor depends on it.
• Ripe bananas (3, mashed): The speckled, almost ugly ones are the sweetest and mash into the batter beautifully.
• Buttermilk (3/4 cup, 180 ml): This adds tang and keeps the cake incredibly moist, so do not substitute regular milk without adding a splash of lemon juice.
• Instant vanilla pudding mix (1 package, 96 g): The shortcut that makes the filling thick and sliceable without any stovetop fuss.
• Cold whole milk (1 1/2 cups, 360 ml): Cold milk sets the pudding faster and keeps the filling stable.
• Heavy cream (1 cup, 240 ml, whipped to stiff peaks, plus 1 cup for topping): Whipped cream folded into the pudding and piled on top makes everything feel like a celebration.
• Ripe bananas (2, sliced): Layer these inside the cake for bursts of fresh fruit in every bite.
• Vanilla wafer cookies (20, roughly crushed): The crumbs add crunch and that nostalgic banana pudding flavor we all recognize.
• Powdered sugar (2 tbsp): Just enough to sweeten the whipped topping without making it heavy.

Instructions

Preheat and prep your pans:

Set the oven to 350 degrees F and grease two 9-inch round cake pans, then line the bottoms with parchment paper so nothing sticks when you flip them out later.

Whisk the dry ingredients:

In a medium bowl, combine the flour, baking powder, baking soda, and salt with a whisk until evenly distributed.

Cream butter and sugar:

Beat the softened butter and granulated sugar in a large bowl until the mixture turns pale, fluffy, and almost ribbon-like when the beaters lift.

Add eggs and vanilla:

Drop in the eggs one at a time, beating well after each addition, then stir in the vanilla extract until everything looks cohesive.

Fold in the bananas:

Blend in the mashed bananas gently, letting those fragrant streaks of fruit disappear into the batter.

Alternate flour and buttermilk:

Add the flour mixture and buttermilk in three alternating additions, starting and ending with the flour, mixing only until just combined so the cake stays tender.

Bake the layers:

Divide the batter evenly between the pans and bake for 30 to 35 minutes until a toothpick slides out clean from the center.

Cool completely:

Let the cakes rest in their pans for 10 minutes, then turn them onto a wire rack and wait patiently because warm cake will melt the filling.

Make the pudding filling:

Whisk the instant pudding mix with cold milk for about 2 minutes until it thickens, then gently fold in the whipped cream until no white streaks remain.

Assemble the first layer:

Place one cooled cake layer on your platter, spread half the pudding mixture over it, then arrange sliced bananas and crushed vanilla wafers on top.

Stack and repeat:

Carefully place the second cake layer on top, spread the remaining pudding mixture, and add more banana slices and wafer crumbs over the surface.

Whip the topping:

Beat the remaining heavy cream with powdered sugar and vanilla until stiff peaks hold their shape, then spread or pipe it generously over the top and sides of the cake.

Chill before serving:

Refrigerate the cake for at least 2 hours so the filling sets into something you can actually slice cleanly.

Pin it

The first time I served this at a family dinner, my cousin sat quietly in the corner and ate two slices without saying a word. That silence told me everything.

Storing Leftovers

Cover the cake loosely with plastic wrap and keep it refrigerated because the fresh bananas and dairy filling are delicate. It tastes best within two days before the bananas soften too much and the wafers lose their crunch.

Making It Your Own

Swap the vanilla wafers for crushed graham crackers if you want a slightly different flavor, or add a layer of caramel drizzle between the cakes for a richer twist. A friend once folded toasted pecans into the filling and it was extraordinary.

Getting Ahead

You can bake the cake layers a day in advance and wrap them tightly in plastic wrap at room temperature. The filling and topping come together quickly, so the real time investment happens on the day you plan to serve it.

• Wrap each cooled cake layer individually so they do not dry out overnight.
• Keep the pudding filling separate and assemble no more than a few hours before serving.
• Always give the finished cake at least two full hours in the fridge before slicing.

Pin it

This cake is the kind of dessert that makes people close their eyes when they take the first bite. Share it with someone who thinks banana pudding cannot get any better.

Recipe Q&A

→ How long should I chill the cake before serving?

Refrigerate the assembled cake for at least 2 hours to allow the pudding filling to set properly and flavors to meld together. This makes slicing cleaner and the texture more cohesive.

→ Can I prevent bananas from turning brown?

Toss sliced bananas with a small amount of lemon juice before arranging them on the layers. This simple step helps maintain their bright yellow color without affecting the flavor noticeably.

→ What's the best way to store leftovers?

Store covered in the refrigerator for up to 2 days. The fresh bananas may start to brown or soften after this time, so it's best enjoyed within the first 48 hours for optimal texture and appearance.

→ Can I make this ahead of time?

Bake the cake layers up to 24 hours in advance, wrap tightly, and store at room temperature. Assemble with filling and whipped cream the day you plan to serve for the freshest results.

→ Is there a faster no-bake option?

Yes, use store-bought pound cake slices instead of baking from scratch. Layer with the same pudding filling, bananas, and wafers for a quick version that delivers similar flavors in less time.