Neapolitan Layer Cake is the dessert that turns the classic ice cream trio into a showstopping layered cake. Tender vanilla and chocolate cake rounds are stacked with a fresh strawberry buttercream that tastes like real berries, not artificial syrup. The crumb is soft and moist, the frosting is silky, and each slice reveals those three distinct stripes that make everyone smile. It’s a polished, reliable layer cake that feels special without being fussy, and it slices cleanly for the prettiest presentation.

Why This Neapolitan Layer Cake Works

This cake delivers on both looks and flavor with smart, tested details.

• True strawberry flavor: The buttercream uses freeze-dried strawberry powder for concentrated berry taste without watering down the frosting.
• Soft, even crumb: Cake flour and room-temperature ingredients keep both vanilla and chocolate layers tender and level.
• Clean slices: A crumb coat and a quick chill make the final frosting layer smooth and the slices picture-perfect.
• Make-ahead friendly: The cake layers and frosting can be prepped in advance, so assembly is low-stress.
• Nostalgic but fresh: It channels the beloved Neapolitan combo with a modern, from-scratch upgrade.

Ingredients Notes

• Cake flour (2 1/4 cups): Gives the vanilla and chocolate layers a fine, soft crumb. All-purpose flour works in a pinch but the texture will be slightly denser.
• Unsalted butter (1 cup, softened): Brings richness and structure. I use room-temperature butter so it creams smoothly with the sugar.
• Granulated sugar (1 3/4 cups): Sweetens and helps with a light crumb. Don’t reduce it or the cake may dry out.
• Eggs (4 large, room temperature): Add structure and moisture. Cold eggs can make the batter curdle, so let them sit out for 30 minutes.
• Whole milk (1 cup, room temperature): Keeps the cake moist. I prefer whole milk for the best texture, but 2% works.
• Unsweetened cocoa powder (1/4 cup): Gives the chocolate layer its deep color and flavor. Dutch-processed cocoa makes it extra rich.
• Freeze-dried strawberries (1 cup, ground into powder): The secret to intense strawberry buttercream without excess liquid. Look for them in the dried fruit aisle.

Before You Begin

• Bring ingredients to room temperature: Set out butter, eggs, and milk about 30-60 minutes before starting so everything blends evenly.
• Prep three 8-inch round pans: Grease them, line the bottoms with parchment, and grease the parchment. This cake releases cleanly every time.
• Preheat the oven to 350°F (175°C): A fully heated oven helps the layers rise evenly without doming too much.
• Grind the freeze-dried strawberries: Use a food processor or blender to turn them into a fine powder. Sift out any larger pieces for a smooth buttercream.

How to Make Neapolitan Layer Cake

• Step 1 – Mix the dry ingredients: In a medium bowl, whisk together the cake flour, baking powder, and salt. Set aside.
• Step 2 – Cream the butter and sugar: In a large bowl, beat the softened butter and sugar with an electric mixer on medium-high until pale and fluffy, about 3 minutes. Scrape down the bowl.
• Step 3 – Add eggs and vanilla: Beat in the eggs one at a time, mixing well after each. Blend in the vanilla extract.
• Step 4 – Alternate dry and wet: With the mixer on low, add the flour mixture in three parts, alternating with the milk in two parts. Start and end with flour. Mix just until combined after each addition.
• Step 5 – Divide and flavor the batter: Weigh the batter and divide it evenly between two bowls. Stir the cocoa powder into one bowl until no streaks remain. Leave the other bowl plain vanilla.
• Step 6 – Fill the pans: Spread the vanilla batter into two prepared pans and the chocolate batter into the third. Smooth the tops with a spatula.
• Step 7 – Bake the layers: Bake for 22-25 minutes, until a toothpick inserted in the center comes out clean. The vanilla layers may finish a minute or two before the chocolate layer.
• Step 8 – Cool completely: Let the cakes cool in the pans for 10 minutes, then turn them out onto a wire rack. Peel off the parchment and cool completely before frosting.
• Step 9 – Make the strawberry buttercream: Beat the butter until creamy. Gradually mix in the powdered sugar, strawberry powder, a pinch of salt, and 2-3 tablespoons of milk or cream. Whip until light and fluffy. Tint with a drop of pink food coloring if desired.
• Step 10 – Assemble the cake: Place one vanilla layer on a serving plate. Spread a thin layer of buttercream on top. Add the chocolate layer, more buttercream, and the final vanilla layer. Apply a thin crumb coat of frosting all over the cake and chill for 20 minutes.
• Step 11 – Finish frosting: Spread the remaining buttercream over the chilled cake, smoothing the sides and top. Swirl the top decoratively if you like.

How to Know It’s Done

• Toothpick test: A toothpick inserted in the center of each layer should come out with a few moist crumbs, not wet batter.
• Spring back: The cake tops should look set and spring back lightly when pressed in the center.
• Golden edges: The vanilla layers will be pale golden around the edges, and the chocolate layer will look matte and set.
• Cool to the touch: The pans should be cool enough to handle before turning the cakes out, about 10 minutes.

Nora’s Tips for Best Results

• Use a kitchen scale: Weighing the batter when dividing it ensures even layers. I aim for about 340 grams of batter per pan.
• Don’t overmix: Once the flour goes in, mix on low and stop as soon as the streaks disappear. Overmixing makes the cake tough.
• Chill the crumb coat: That 20-minute chill locks in the crumbs so your final frosting layer is smooth and clean.
• Room temperature frosting: If the buttercream gets too cold from the fridge, let it sit out for 10 minutes and re-whip before using.
• Slice with a hot knife: Run a sharp knife under hot water, wipe it dry, and slice. Clean the knife between cuts for the neatest pieces.

Storage & Leftovers Tips

• Room temperature: Store the frosted cake under a cake dome at cool room temperature for up to 2 days.
• Refrigerator: Cover and refrigerate for up to 5 days. The buttercream will firm up, so let slices sit at room temperature for 20 minutes before serving.
• Freezer (whole cake): Freeze the unfrosted cake layers wrapped in plastic and foil for up to 2 months. Thaw overnight in the fridge before frosting.
• Freezer (slices): Wrap individual slices in plastic and freeze for up to 1 month. Thaw in the fridge or at room temperature.
• Reheating: This cake is served at room temperature or chilled; no reheating needed.

Variations & Substitutions

• Raspberry or mixed berry: Swap the freeze-dried strawberries for freeze-dried raspberries or a berry blend for a different fruity twist.
• Chocolate buttercream: Replace half the strawberry buttercream with chocolate buttercream for an even richer chocolate layer.
• Gluten-free: Use a 1:1 gluten-free flour blend that contains xanthan gum. The texture will be slightly more delicate.
• Dairy-free: Use plant-based butter sticks and unsweetened almond milk. The cake will still be moist and tender.
• Extra chocolate: Add mini chocolate chips to the chocolate batter for little bursts of texture.

What to Serve With Neapolitan Layer Cake

• Fresh berries: A small bowl of sliced strawberries or raspberries echoes the frosting and adds freshness.
• Whipped cream: A dollop of lightly sweetened whipped cream makes each slice feel extra special.
• Vanilla ice cream: A scoop on the side plays up the Neapolitan theme and is always a hit.
• Hot espresso or coffee: The slight bitterness balances the sweet cake and buttercream beautifully.
• Sparkling rosé: For celebrations, a glass of chilled rosé complements the strawberry notes.

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