This Smashed Raspberry White Chocolate Layer Cake Tastes Like a Bakery Dessert

There’s something about a three-layer cake that feels like a celebration, even when you’re just baking it on a Tuesday afternoon. This smashed raspberry white chocolate layer cake hits that sweet spot between looking impressive and actually being manageable in a home kitchen. The secret is a tender, moist crumb that holds up beautifully when stacked, plus a white chocolate frosting that’s silky without being overly sweet. Fresh raspberries get folded right into the batter and swirled with jam, so every slice has pockets of tartness that balance the richness of the frosting.

Why This Cake Works So Well

The base of this cake relies on a combination of coconut oil, Greek yogurt, and buttermilk to create a tender crumb that stays moist for days. Coconut oil contributes a delicate richness without a heavy feel, while the yogurt and buttermilk add tang and acidity that helps activate the baking soda, creating lift and structure. Unlike cakes made with all butter, this version won’t dry out as quickly, and the subtle flavor from these ingredients lets the raspberries and white chocolate shine.

The raspberries are handled two ways here: fresh or frozen berries get folded into the batter whole, and a generous swirl of jam gets added without fully mixing it in. This approach gives you both texture and concentrated flavor. The jam streaks through the cake and creates little pockets of intense raspberry taste, while the whole berries add juice and tartness throughout.

What You’ll Need

You’ll want three 8-inch round cake pans for this recipe. If you only have two pans, you can bake the layers in batches, letting the pans cool slightly between rounds. Line your pans with parchment paper after greasing—this makes turning the cakes out so much easier and prevents sticking.

For the frosting, you’ll need high-quality white chocolate (at least 30% cocoa butter) that melts smoothly. Cheap white chocolate coating doesn’t melt as well and can result in a grainy frosting. Let your butter come to room temperature so it beats into the powdered sugar without lumps.

For another idea to try next, see Chocolate Poke Cake.

How to Make This Smashed Raspberry White

Prep the pans and heat the oven. Preheat to 350°F. Grease each of your three 8-inch pans generously with butter or cooking spray, then line the bottoms with parchment paper. Grease the parchment too. This double-layer approach ensures your cakes release cleanly.

Mix the batter. In a large bowl, beat together the melted coconut oil, Greek yogurt (or sour cream), eggs, sugar, buttermilk, and vanilla until smooth. The mixture will look slightly curdled—that’s normal and fine. Add the flour, baking powder, baking soda, and salt, then mix on low speed until just combined. Don’t overmix; lumps are okay. Overmixing develops gluten and makes the cake tough.

Add the raspberries and jam. Gently fold in the fresh or frozen raspberries (don’t thaw frozen ones, as they’ll bleed into the batter and turn it pink). Pour 3/4 cup of the raspberry jam into the batter and swirl it with a knife or spatula, leaving visible streaks. The jam should not be fully incorporated—those streaks are what create flavor pockets in the baked cake.

Looking for more? Don’t miss our Small White Cake.

Divide and bake. Divide the batter evenly among the three prepared pans. Bake for 30 to 35 minutes, until the tops are just set and a toothpick inserted in the center comes out with a few moist crumbs. The centers should not jiggle, but don’t overbake or the cake will be dry. Remove from the oven and let cool in the pans for 5 minutes.

Turn out and cool. Run a thin knife around the edges of each pan to loosen the cake, then invert onto a cooling rack. Peel off the parchment paper. Let the cakes cool completely to room temperature—this is important for assembly, as warm cakes are fragile and frosting will melt.

Make the frosting. In a clean bowl, beat the room-temperature butter and powdered sugar together until light and fluffy, about 3 to 4 minutes. Add the melted and cooled white chocolate and vanilla, then beat until smooth and combined. If the frosting seems too soft, chill it for 10 minutes before using.

Assemble the cake. Place the first cake layer on your serving plate or cake board. Spread about one-third of the frosting over the top, then add about 1/4 cup of the remaining raspberry jam on top of the frosting. Place the second layer on top and repeat. Top with the third layer. Frost the outside of the cake with a thin crumb coat first (a light layer that seals in crumbs), then chill for 15 minutes. Add a second, thicker layer of frosting and smooth it as much or as little as you like. Top with smashed fresh raspberries for a rustic finish.

If you enjoy this, you’ll love our Pumpkin Chocolate Chip Cake.

Chill before serving. Refrigerate the assembled cake for at least 30 minutes so the frosting sets and the layers firm up, making it much easier to slice cleanly.

Small Tips That Make a Big Difference

Room temperature ingredients matter. Eggs and butter that are at room temperature incorporate more evenly and create a smoother batter and frosting. Cold ingredients can create lumps and prevent proper emulsification.

Don’t skip cooling the cakes completely. Stacking warm cakes will cause the frosting to melt and the layers to shift. Patience here pays off with a stable, beautiful cake.

More from the kitchen: This Hot Strawberry Jam Dutch Baby Puffs Up So Dramatically It Feels Like Magic.

Use frozen raspberries without thawing. Frozen berries are firmer and won’t bleed into the batter as much as thawed ones. They also won’t sink to the bottom during baking.

Chill the frosting if it’s too soft. If your kitchen is warm or your butter was very soft, the frosting might be loose. A quick 10 to 15-minute chill in the fridge will firm it up without hardening it.

Use a serrated knife for clean slices. A sharp serrated bread knife or cake knife, dipped in hot water and wiped dry between cuts, will slice through the layers without dragging or crumbling.

Consider the sweetness level. This recipe uses 1 cup of sugar, which balances the tartness of the raspberries and jam. If you prefer a sweeter cake, the ingredient list notes you can use up to 2 cups, though this will make the crumb slightly denser.

It pairs beautifully with Pineapple Dream Dessert.

How to Keep It Fresh Without Ruining the Texture

Store the assembled cake in an airtight container or covered cake box in the refrigerator for up to 3 days. The cold helps the frosting stay firm and the layers stay intact. You can also freeze individual slices wrapped tightly in plastic wrap and then foil for up to 2 months. The cake will thaw in about an hour at room temperature.

If you prefer to store the layers separately, wrap each cooled layer in plastic wrap and refrigerate for up to 3 days, or freeze for up to 2 months. Assemble the cake when you’re ready to serve.

Reheating and Serving

This cake is best served chilled or at room temperature, so reheating isn’t necessary. If you’ve stored it in the fridge, let it sit on the counter for 15 to 20 minutes before serving so the frosting softens slightly and the flavors come through more clearly. If you’ve frozen individual slices, thaw them at room temperature for about an hour.

For another idea to try next, see Heaven on Earth Dessert.

Serve each slice with a cup of tea, coffee, or a glass of cold milk. A small dollop of whipped cream on the side is lovely too.

Common Mistakes and How to Avoid Them

Overmixing the batter. Once you add the flour, mix only until just combined. Overmixing develops gluten and makes the cake tough and dense instead of tender.

Baking the cake too long. Check for doneness at 30 minutes. A toothpick should come out with a few moist crumbs, not completely dry. Overbaked cakes are dry and hard to slice.

Stacking warm cakes. This causes frosting to melt and layers to slide. Always cool completely before assembly.

Looking for more? Don’t miss our 7UP Cake (Moist Lemon Bundt Cake).

Overfilling the layers. Too much frosting or jam between layers makes the cake unstable and hard to slice cleanly. About 1/3 cup frosting and 1/4 cup jam per layer is the right amount.

Using low-quality white chocolate. Cheap white chocolate coating contains little cocoa butter and won’t melt smoothly into frosting. It also won’t taste as good. Invest in real white chocolate for the best result.

Forgetting to thaw frozen raspberries. If you thaw them first, they’ll release too much juice and turn the batter pink or wet. Use them straight from the freezer.

If you enjoy this, you’ll love our Easy Blueberry Cake.

Sweetness and Flavor Variations

If you want a less sweet cake, reduce the sugar to 3/4 cup. The tartness of the raspberries and jam will come through more clearly. For extra richness, add 1 teaspoon of almond extract to the batter along with the vanilla—it complements raspberries beautifully without overpowering them.

You can also swap the white chocolate frosting for a cream cheese frosting by beating 8 ounces of room-temperature cream cheese with 3 tablespoons of butter, then adding 1 1/2 cups powdered sugar. This creates a tangier frosting that pairs wonderfully with the sweet jam.

For a different berry, try blackberries or blueberries in place of some of the raspberries. Each brings its own flavor profile. Blackberry jam is particularly elegant with white chocolate.

Smashed Raspberry White Chocolate Layer Cake

Recipe by 50Krecipes

0.0 from 0 votes

A three-layer cake with fresh raspberries folded into a tender, moist crumb, layered with white chocolate frosting and raspberry jam. Elegant enough for special occasions but simple enough for a home baker.

Course: Desserts, Cakes

Servings

Adjust servings

+

–

4

servings

Prep time

30

minutes

Cooking time

40

minutes

Ingredients

• 1 cup melted coconut oil

• 1/2 cup plain Greek yogurt or sour cream

• 3 large eggs, at room temperature

• 1 cup granulated sugar ((use 2 cups for a sweeter cake))

• 1 1/2 cups buttermilk

• 1 tablespoon vanilla extract

• 3 3/4 cups all-purpose flour

• 2 teaspoons baking powder

• 1 teaspoon baking soda

• 1 teaspoon kosher salt

• 1 1/2 cups high-quality raspberry jam

• 1 1/2 cups fresh or frozen raspberries ((do not thaw if using frozen))

• 3 sticks salted butter, at room temperature

• 1 1/2 cups powdered sugar

• 8 ounces white chocolate, melted and cooled

• 2 teaspoons vanilla extract

• raspberries, for decorating

Directions

• Preheat oven to 350° F. Grease 3 (8-inch) round cake pans. Line with parchment paper, then butter.
• In a large bowl, beat together the coconut oil, yogurt, eggs, sugar, buttermilk, and vanilla. Add the flour, baking powder, baking soda, and salt. Mix until just combined. Fold in the raspberries and swirl in 3/4 cup raspberry jam, leaving a few streaks of jam throughout the batter, it shouldn't be fully incorporated.
• Divide the batter among the 3 cake pans and bake for 30-35 minutes, until the tops are just set and no longer wiggly in the center. Remove and let cool for five minutes. Run a knife around the edges of the pan and turn the cakes out onto a cooling rack. Cover and let the cakes cool completely before assembling.
• To make the frosting. In a bowl, beat together the butter and powdered sugar until light and fluffy. Add the melted white chocolate and vanilla, and beat until combined.
• To assemble, place one cake layer on a serving plate. Spread 1/3 of the frosting over the cake and layer with about 1/4 cup of jam. Repeat with the remaining cake layers. Be careful not to overfill your layers or the cake will be hard to slice. Lightly frost the outside of the cake, then decorate with smashed raspberries. Chill 30 minutes. Serve or store in the fridge for up to 3 days.

Good to know: for food-safety guidance, see the National Center for Home Food Preservation.