Banana Pudding Cake

The summer I turned twenty eight, my cousin Natalie brought a banana pudding cake to our family reunion and changed every dessert table at every gathering from that point forward. I stood near the punch bowl with a paper plate balanced on my knee, fork deep into a slice, completely ignoring a conversation about someone's new deck. Three slices later I cornered her for the recipe, and she laughed and said it was not even hers, she had improvised it from a box mix and a prayer. That winter I made it from scratch for the first time, burned one layer, and still ate the whole thing over three days standing at my kitchen counter in a coat because my heat was broken.

I made this for my friend Derek's going away party when he moved to Portland, and he actually sat down in the middle of packing his kitchen boxes to finish his slice before doing anything else. His roommate, who claimed to hate bananas, asked for seconds before Derek even got back to his tape gun.

Ingredients

• All purpose flour (2 cups): The backbone of the cake structure, and you really do need to spoon and level it rather than scooping directly from the bag or your cake turns dense.
• Baking powder and baking soda (1 1/2 tsp and 1/2 tsp): This double lift combo gives you a cake that rises tall but stays tender, especially with the acidic buttermilk in the batter.
• Salt (1/2 tsp): Do not skip this, it is the difference between a flat tasting sweet brick and something that tastes like it came from a bakery.
• Unsalted butter (3/4 cup, softened): Leave it out for about an hour before baking, and if you press it gently with your finger and it leaves a small dent without collapsing, it is ready.
• Granulated sugar (1 1/4 cups): Creaming this with the butter is where all your air starts, so do not rush this step even though your arm will want to.
• Eggs (3 large): Add them one at a time and beat well after each, which keeps the batter smooth instead of curdled and weird looking.
• Vanilla extract (1 tsp plus 1/2 tsp for topping): Use the real stuff if you can, the imitation version leaves a slightly chemical edge that becomes obvious in a cake this simple.
• Ripe bananas (3 for cake, 2 for filling): The speckled, almost too soft ones are exactly what you want, because their starches have converted to sugar and they mash into the batter like silk.
• Buttermilk (3/4 cup): If you do not have any, add a tablespoon of lemon juice or white vinegar to regular milk and let it sit for five minutes.
• Instant vanilla pudding mix (1 package): This is the shortcut that makes the filling taste like classic banana pudding without standing over a stove stirring custard.
• Cold whole milk (1 1/2 cups): Cold milk sets the pudding faster, which matters when you are trying to assemble a layer cake without everything sliding around.
• Heavy cream (1 cup for filling, 1 cup for topping): Whip it to stiff peaks for the filling fold in, and again separately for the topping, and make sure your bowl and beaters are cold.
• Vanilla wafer cookies (20, crushed): Roughly crushed is better than fine crumbs because you want little crunchy surprises in the filling, not sand.
• Powdered sugar (2 tbsp): Just enough to sweeten the whipped topping without making it cloying.

Instructions

Prep your pans and oven:

Heat the oven to 350 degrees F, then grease and flour two nine inch round pans and line the bottoms with parchment circles so your cakes release cleanly without drama.

Whisk your dry ingredients:

In a medium bowl, whisk the flour, baking powder, baking soda, and salt together until evenly distributed, and you will thank yourself later for not finding a pocket of baking soda in your finished cake.

Build the butter mixture:

Beat the softened butter and sugar together in a large bowl until the mixture looks pale and fluffy, then add the eggs one at a time, beating after each until the batter looks glossy and smooth before stirring in the vanilla.

Add bananas and alternate the dry and wet:

Mash those ripe bananas right into the butter mixture and fold them in, then add the flour mixture and buttermilk in three alternating additions, starting and ending with the flour and mixing just until each addition disappears.

Bake and cool the layers:

Divide the batter between your prepared pans and bake for thirty to thirty five minutes until a toothpick poked in the center comes out clean, then let them rest in the pans for ten minutes before flipping them onto a rack to cool completely.

Make the banana pudding filling:

Whisk the pudding mix with cold milk for about two minutes until it thickens up nicely, then gently fold in whipped cream until you have a light, mousselike mixture that tastes like childhood.

Assemble the first layer:

Set your first cake layer on a platter and spread half the pudding filling over it, then lay down sliced bananas and scatter crushed vanilla wafers across the surface, pressing them gently so they stick.

Stack and fill again:

Place the second cake layer on top as evenly as you can manage, then spread the remaining pudding filling over it and add more banana slices and wafer pieces with the same gentle press.

Whip the topping and finish:

Beat the heavy cream with powdered sugar and vanilla until it holds stiff peaks, then spread or pipe it all over the top and sides of the cake, and chill the whole thing for at least two hours so everything sets into one glorious layered slice.

Pin It

There is something about slicing into a cake that has visible banana slices and cookie crumbs peeking out between the layers that makes everyone at the table lean forward a little.

Handling and Storing Leftovers

Cover any leftover cake loosely with plastic wrap or a cake dome and keep it in the refrigerator, because the dairy in the filling and topping needs to stay cold. The whipped cream topping will soften a bit overnight but honestly the texture becomes even more pudding cake like and indulgent by the next morning, which I consider a win.

Swaps and Shortcuts Worth Taking

If you are short on time or just do not want to bake, store bought pound cake layers work surprisingly well as a no bake version of this exact same assembly. You can also swap the vanilla wafer crumbs for crushed graham crackers or shortbread cookies depending on what you have in your pantry.

Serving It Like You Mean It

Pull the cake from the fridge about twenty minutes before serving so the layers soften slightly and the banana flavor blooms at room temperature. A sharp knife run under hot water and wiped dry between cuts gives you the cleanest slices so everyone can see those gorgeous layers you built.

• Garnish with fresh banana slices right before serving so they do not have time to brown.
• A few extra crushed vanilla wafers scattered on top adds a nice final crunch.
• Remember this cake is best shared the day it is assembled, so invite people over and do not be shy about it.

Pin It

Every time I make this cake I think about Natalie and that reunion table, and how a good dessert has a way of turning strangers into people who swap phone numbers over a second helping. That is really all this recipe is, a reason to gather and stay a little longer.

Recipe FAQs

→ Can I make this cake ahead of time?

Yes, this cake actually improves after chilling. Assemble the entire cake and refrigerate for at least 2 hours before serving. The flavors meld together beautifully, and the texture becomes more stable. It's best enjoyed within 2 days due to the fresh bananas.

→ How do I keep bananas from turning brown?

Toss your sliced bananas with a small amount of lemon juice before layering them in the cake. The citrus helps prevent oxidation. You can also arrange the banana slices just before serving for the freshest appearance.

→ Can I use homemade pudding instead of instant?

Absolutely. Prepare your favorite vanilla pudding from scratch using milk, sugar, cornstarch, and egg yolks. Let it cool completely before folding in the whipped cream. Homemade pudding adds an extra rich, traditional touch.

→ What if I don't have buttermilk?

You can make a simple buttermilk substitute by adding 1 tablespoon of white vinegar or lemon juice to 3/4 cup of regular milk. Let it sit for 5 minutes until slightly thickened, then use it exactly as the recipe calls for buttermilk.

→ Can I freeze this banana pudding cake?

Freezing isn't recommended due to the fresh banana layers and pudding filling, which can become watery and grainy when thawed. The whipped cream topping also doesn't freeze well. Enjoy this cake fresh and refrigerate any leftovers.

→ How ripe should the bananas be?

Use bananas with plenty of brown spots for the cake layers—they're sweeter and mash easily. For the filling, slightly less ripe bananas with yellow skins work well since they hold their shape better when sliced and layered.