If you’re craving a show-stopping dessert that combines layers of velvety cream, pillowy banana cake, and a nutty crunch, the Heavenly Banana Walnut Cream Cake is about to become your newest obsession. This luscious layer cake brings together ripe bananas, toasted walnuts, and a dreamy vanilla custard in every bite. It’s the kind of treat that turns an ordinary afternoon into a full-on celebration, and after your first taste, you’ll know exactly why it’s earned its fitting name.

Ingredients You’ll Need
Making the Heavenly Banana Walnut Cream Cake might seem fancy, but it all starts with a handful of straightforward, essential ingredients. Each one adds its own special touch, creating a cake that’s sweet, tender, and irresistibly flavorful.
- All-purpose flour: The sturdy base of your cake, giving it the perfect structure without being too dense.
- Baking soda: Helps the cake rise beautifully so each layer is light and fluffy.
- Salt: Just a small amount balances sweetness and brightens every other flavor.
- Unsalted butter (softened): For rich flavor and a tender crumb—be sure it’s room temperature for easy creaming.
- Granulated sugar: Sweetens the cake and helps with producing that lovely golden top.
- Large eggs: Bind everything together and add richness, ensuring your cake isn’t dry.
- Vanilla extract: Brings subtle warmth and complexity to the banana and walnut notes.
- Sour cream: The secret to extra-moist, melt-in-your-mouth cake layers.
- Ripe bananas (mashed): Packed with flavor and natural sweetness—choose bananas with speckled skins for best results.
- Chopped walnuts: Add a soft crunch and earthy depth, making each bite more interesting.
- White chocolate chips: Little pockets of creamy sweetness that pair perfectly with banana and walnut.
- Prepared vanilla custard or pastry cream: This dreamy filling and topping ties everything together with smooth, silky decadence.
- Banana (sliced, for garnish): Fresh and pretty, these slices announce the cake’s star flavor.
- Chopped walnuts (for garnish): A final sprinkle for taste and a bit of sparkle on top.
How to Make Heavenly Banana Walnut Cream Cake
Step 1: Prep Your Pans and Oven
Start by preheating your oven to 350°F (175°C). Grab two 8-inch round cake pans, grease them well, and dust lightly with flour. This helps your cakes slip out easily after baking, ensuring they keep that perfect shape for beautiful layering.
Step 2: Mix the Dry Ingredients
In a medium bowl, whisk together your all-purpose flour, baking soda, and salt. This blends everything evenly, so your Heavenly Banana Walnut Cream Cake rises beautifully and bakes up with a uniform crumb.
Step 3: Cream Butter and Sugar
In a large mixing bowl, cream the softened butter and granulated sugar together until the mixture is light, fluffy, and a little pale. This step brings air into your batter, setting the stage for tender cake layers.
Step 4: Add Eggs and Vanilla
Beat in eggs one at a time, mixing well after each addition to keep everything super smooth. Then stir in that fragrant vanilla extract to add an aromatic kick to the banana and walnut flavors.
Step 5: Work in the Bananas and Sour Cream
Add the mashed bananas and sour cream to your bowl, folding until just combined. At this stage, you’ll notice a gorgeously thick, rich batter that smells almost too good already!
Step 6: Combine Wet and Dry Mixtures
Gradually add the flour mixture to the wet ingredients. Mix slowly and gently, stopping as soon as the batter comes together—overmixing can make the cake tough instead of wonderfully soft.
Step 7: Fold in Walnuts and White Chocolate
Scatter in the chopped walnuts and white chocolate chips, folding them through so every slice of your Heavenly Banana Walnut Cream Cake has the perfect balance of crunch and creamy sweetness.
Step 8: Bake the Cakes
Divide the batter evenly between your prepared pans, smoothing the tops for level layers. Slide the pans into the oven and bake for 30–35 minutes, or until a toothpick comes out clean. Let the cakes cool in the pans for about 10 minutes, then gently turn them onto wire racks to cool completely.
Step 9: Assemble with Cream and Garnish
Place one cake layer on a serving platter and spread with half the vanilla custard or pastry cream. Layer the second cake gently on top, then lavish with the rest of the cream. Garnish with fresh banana slices and a generous sprinkle of chopped walnuts. For the best texture, chill your cake for at least an hour before slicing into that first dreamy bite.
How to Serve Heavenly Banana Walnut Cream Cake

Garnishes
The finishing touches are what make this cake look as divine as it tastes. Layer gleaming banana slices in circles over the top, then scatter extra walnuts for crunch and charm. A few shavings of white chocolate or a dusting of powdered sugar never hurts for a bakery-style flourish.
Side Dishes
Pair your Heavenly Banana Walnut Cream Cake with a mug of hot coffee or a tall, icy glass of milk to create an irresistible afternoon break. For something a bit special, serve it with a scoop of vanilla bean ice cream or a dollop of softly whipped cream—pure indulgence!
Creative Ways to Present
This cake is a natural centerpiece. For parties, slice it into thin wedges and serve each on a platter surrounded by fresh berries. For an elegant dinner, try layering it in clear glasses as a trifle with extra custard and banana slices—the flavors and textures will truly shine.
Make Ahead and Storage
Storing Leftovers
Leftover Heavenly Banana Walnut Cream Cake keeps beautifully in the refrigerator for up to three days. Just cover the cake tightly with plastic wrap or pop it into an airtight container to keep it fresh and moist.
Freezing
If you want to enjoy this treat later, freeze unfilled cake layers (wrapped well in plastic and foil) for up to two months. For best texture, freeze them before adding the cream filling and garnish; assemble the cake fresh when you’re ready to serve.
Reheating
This cake is best enjoyed chilled or at room temperature, so no need to reheat. If you’ve frozen the layers, thaw them in the fridge overnight before building your showstopper dessert.
FAQs
Can I use a different nut besides walnuts?
Absolutely! Pecans or even hazelnuts can be swapped in for walnuts if you prefer, but walnuts provide a classic flavor that pairs especially well with bananas.
What if I don’t have vanilla custard or pastry cream?
You can substitute with store-bought or homemade whipped cream, or for a little tang, try a light cream cheese frosting. Each will bring its own twist to your Heavenly Banana Walnut Cream Cake.
Can this cake be made gluten-free?
Yes; simply use a gluten-free all-purpose flour blend in place of the regular flour. Double-check that your baking soda and other add-ins are gluten-free too.
How can I make sure my bananas are ripe enough?
Look for bananas with mostly brown, spotted skins—the riper, the better for flavor, moisture, and sweetness in this cake. If yours aren’t quite there, a quick trip in a warm oven can help ripen them faster.
Do I need an electric mixer for this recipe?
An electric mixer will make creaming the butter and sugar a breeze, but you can also mix by hand with a sturdy wooden spoon and a little extra muscle power.
Final Thoughts
There’s a special kind of joy that comes from pulling a homemade Heavenly Banana Walnut Cream Cake from your refrigerator, slicing into those gorgeous layers, and watching family and friends swoon over every bite. If you haven’t tried this cake yet, treat yourself to the experience—you’ll want to make it again and again!
Print
Heavenly Banana Walnut Cream Cake Recipe
- Total Time: 1 hour
- Yield: 12 servings 1x
- Diet: Vegetarian
Description
Indulge in the heavenly combination of ripe bananas, crunchy walnuts, and rich cream in this delectable Banana Walnut Cream Cake. Moist banana cake layers filled with creamy vanilla custard and topped with more custard, banana slices, and walnuts create a dessert fit for any occasion.
Ingredients
Cake:
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1/2 cup unsalted butter (softened)
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/2 cup sour cream
- 3 ripe bananas (mashed)
- 1/2 cup chopped walnuts
- 1/2 cup white chocolate chips
Cream Filling and Topping:
- 2 cups prepared vanilla custard or pastry cream
- 1 banana (sliced, for garnish)
- 1/4 cup chopped walnuts (for garnish)
Instructions
- Preheat the oven: Preheat the oven to 350°F (175°C) and prepare cake pans.
- Mix dry ingredients: Whisk flour, baking soda, and salt in a bowl.
- Cream butter and sugar: Beat butter and sugar until fluffy, then add eggs and vanilla.
- Combine wet and dry: Mix in bananas and sour cream, then add dry ingredients. Fold in walnuts and white chocolate chips.
- Bake: Divide batter, bake for 30–35 minutes, and cool.
- Assemble: Layer cake with custard, top with remaining custard, banana slices, and walnuts. Chill before serving.
Notes
- Use very ripe bananas for optimal flavor.
- For extra richness, try cream cheese frosting instead of custard.
- Store covered in the fridge for up to 3 days.
- Prep Time: 25 minutes
- Cook Time: 35 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice
- Calories: 380
- Sugar: 30g
- Sodium: 180mg
- Fat: 18g
- Saturated Fat: 10g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 2g
- Protein: 6g
- Cholesterol: 70mg