White Chocolate Raspberry Cake

Featured in Sweet Treats for Every Occasion.

This cake brings together fluffy white layers with the smooth richness of white chocolate buttercream and a bright, tangy raspberry filling. Vibrant berries and citrus perk up every bite, while the sturdy cake layers stay moist with a simple syrup brush. A silky buttercream wraps the cake with a creamy white chocolate finish, while an inner ring of fresh raspberry compote adds layers of texture and flavor contrast. Perfectly balanced between sweetness and tartness, this showstopper is ideal for celebrations and gatherings. Top with berries or flowers for a stunning finish.

Updated on Wed, 21 May 2025 18:43:33 GMT
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This white chocolate raspberry cake is a celebration dessert that balances sweet and tart flavors in every bite. With fluffy white cake layers, a vibrant raspberry filling, and a silky white chocolate buttercream, it is perfect for birthdays, special gatherings, or when you simply want a showstopper cake. Every step is designed for an impressive yet approachable homemade treat.

Ingredients

  • Fresh or frozen raspberries: provide tart flavor and vivid color for the filling Choose firm berries with no bruises or excess moisture
  • Granulated sugar: sweetens both the filling and the cake itself Use pure white sugar for even color and flavor
  • Lemon juice and zest: bring out the brightness in both cake and raspberry filling Always use fresh lemons for zesting to avoid bitterness
  • Cake flour: keeps the cake layers fluffy and tender Sift if your flour clumps easily
  • Unsalted butter: gives richness and lets you control the salt content Quality butter matters for the best crumb
  • Egg whites: contribute to a pure white color and assured lightness Use carton whites or separate them from whole eggs carefully
  • Full-fat sour cream: adds moisture and tang to keep the crumb from drying out Look for brands without stabilizers
  • Vegetable or canola oil: gives an extra-flexible crumb and helps the cake stay soft
  • Vanilla extract or vanilla bean paste: builds depth Pick pure extract for warmth and aromatic notes
  • Baking powder: offers reliable rise for even layers Make sure your powder is fresh
  • Fine salt: balances sweetness and impacts overall flavor Use a small grind for even distribution
  • Powdered sugar: is key in the white chocolate buttercream Sift before mixing for smoothest results
  • Heavy whipping cream: provides frosting with richness and helps adjust consistency
  • White chocolate chips: deliver a creamy vanilla sweetness Choose high quality chips for best melt and flavor

Step-by-Step Instructions

Prepare Raspberry Filling:
Place raspberries sugar lemon juice lemon zest and water in a saucepan Heat over medium-high stirring until it boils Lower to simmer and cook ten to fifteen minutes until thickened Pour into a metal strainer over a bowl using a rubber spatula to press out all the liquid Discard the seeds unless you prefer them Mix cornstarch with remaining water to make a slurry and stir into the strained liquid Rinse out saucepan pour filling back in and heat again stirring until bubbling and thickened Transfer to a bowl cover and chill for at least an hour
Make the White Cake Layers:
Preheat oven to 340 degrees Line and grease your cake pans with parchment Add butter and sugar to stand mixer and whisk on high speed for several minutes until light and creamy In a second bowl whisk flour baking powder and salt Add half the dry mix to the butter sugar mixture and blend Mix in sour cream egg whites oil lemon juice lemon zest and vanilla then the rest of the dry mix Stir until just smooth Split batter evenly among pans Bake thirty-eight to forty-two minutes until a toothpick shows a few crumbs Rotate pans during baking Cool in pans ten minutes then run a spatula around the edges Freeze layers for forty-five minutes to chill completely Trim tops as needed
Simple Syrup:
Combine water and sugar in a saucepan Cook over medium stirring until boiling and clear Remove from heat and cool to room temp Use a brush to coat cake layers before assembling for extra moisture
Prepare White Chocolate Buttercream:
Beat butter until smooth then add lemon juice zest vanilla and salt Mix on low while gradually adding powdered sugar Halfway through pour in cream to loosen it Beat in melted cooled white chocolate Continue beating until very smooth Add more cream for thinner or more sugar for thicker Stir by hand for the silkiest finish
Assemble the Cake:
Brush cooled cake layers with syrup Place first layer on a cake board and spread on an even layer of buttercream Pipe a border and spoon raspberry filling inside Continue stacking with frosting and filling Chill cake briefly to set layers Cover entire cake with a crumb coat of frosting chill again then finish with a thick smooth layer Decorate with colored buttercream raspberries or flowers
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Storage Tips

Assembled frosted cake keeps well in the fridge for up to a week The buttercream seals in moisture making every slice taste fresh slices store best if covered with extra buttercream or plastic wrap

You can freeze both unfrosted cake layers and finished cake layers for up to a month Always wrap tightly in plastic and thaw overnight in the fridge

Ingredient Substitutions

Fresh or frozen raspberries work equally well for the filling If using frozen add them straight to the saucepan without thawing

You can swap vanilla extract with almond extract for a subtle nutty flavor

If you do not have cake flour you can substitute with all purpose flour plus a tablespoon of cornstarch for each cup

For a dairy free option swap sour cream and butter with plant-based versions and use a dairy free white chocolate

Serving Suggestions

This cake needs only a handful of fresh raspberries or thin lemon slices on top to look beautiful It pairs perfectly with berry tea or a glass of sparkling wine Serve slices at room temperature for best texture

Cultural and Historical Context

White chocolate raspberry cake is inspired by classic American party cakes where fruit and creamy frostings meet At many family gatherings and brunches these layered cakes are the centerpiece of the dessert table Raspberry and lemon together feel reminiscent of summer picnics and garden parties

Frequently Asked Questions

→ How do I make the raspberry filling thicker?

Simmer the raspberries with sugar and bring to a boil, then stir in a cornstarch slurry. Continue cooking while stirring until the mixture thickens and coats a spoon.

→ Can I use frozen raspberries instead of fresh?

Frozen raspberries work equally well; just simmer them straight from frozen and adjust sweetness if needed.

→ What is the secret to fluffy white cake layers?

Whip butter and sugar well, use only egg whites for color, and mix the batter gently once flour is added to retain air and softness.

→ How do I keep the cake moist?

Brush each cooled cake layer with simple syrup before assembling to lock in moisture throughout the cake.

→ Can I make the cake ahead of time?

Absolutely! Freeze unfrosted cake layers or store the frosted cake in the fridge. Fillings and buttercream can also be prepared in advance.

→ How should I decorate the finished cake?

Try piping different shades of buttercream for texture, or top with fresh raspberries and flowers for an elegant presentation.

White Chocolate Raspberry Cake

Luscious cake with soft white layers, rich chocolate frosting, and tart raspberry center.

Prep Time
15 Minutes
Cook Time
40 Minutes
Total Time
55 Minutes

Category: Desserts

Difficulty: Difficult

Cuisine: American

Yield: 24 Servings

Dietary: Vegetarian

Ingredients

→ Raspberry Cake Filling

01 375 g fresh or frozen raspberries
02 133 g granulated sugar
03 8 g lemon juice
04 5 g fresh lemon zest
05 90 g water, divided
06 14 g cornstarch

→ White Cake Layers

07 226 g unsalted butter, at room temperature
08 600 g granulated sugar
09 360 g cake flour
10 10 g baking powder
11 6 g fine salt
12 360 g full-fat sour cream, at room temperature
13 240 g egg whites, at room temperature
14 56 g vegetable or canola oil
15 24 g lemon juice
16 5 g fresh lemon zest
17 4 g vanilla extract or vanilla bean paste

→ Simple Syrup (Optional)

18 160 g water
19 133 g granulated sugar

→ White Chocolate Buttercream Frosting

20 454 g unsalted butter, at room temperature
21 24 g lemon juice
22 5 g fresh lemon zest
23 8 g vanilla extract or vanilla bean paste
24 6 g fine salt
25 904 g powdered sugar
26 80 g heavy whipping cream, at room temperature
27 260 g white chocolate chips, melted and cooled

Instructions

Step 01

Combine raspberries, sugar, lemon juice, lemon zest, and 60 g water in a saucepan. Heat over medium-high, stirring until boiling. Reduce to medium-low and simmer for 10–15 minutes. Remove from heat.

Step 02

Pour mixture through a metal strainer into a bowl, pressing with a spatula to extract liquid. Discard seeds if a smooth filling is preferred. In a small bowl, dissolve cornstarch in 30 g water, then stir slurry into warm raspberry mixture.

Step 03

Return mixture to a cleaned saucepan. Cook over medium-high, stirring constantly until thickened and bubbling. Transfer to a bowl, cover, and chill for at least 1 hour or overnight.

Step 04

Preheat oven to 171°C. Line and grease four 18 cm or three 20 cm round cake pans with parchment.

Step 05

Beat butter and sugar in a stand mixer at high speed for 2–3 minutes until pale and fluffy. Scrape bowl as needed.

Step 06

In a separate bowl, whisk cake flour, baking powder, and salt until well mixed.

Step 07

Add half of dry ingredients to creamed mixture and mix on medium speed. Add sour cream, egg whites, oil, lemon juice, lemon zest, and vanilla. Mix well, then add remaining dry ingredients and mix until just combined.

Step 08

Evenly distribute batter into prepared pans. Bake for 38–42 minutes, or until a toothpick emerges with a few moist crumbs. Rotate pans halfway for even baking.

Step 09

Cool cakes in pans for 10 minutes, then loosen edges with an offset spatula. Place layers in freezer for 45 minutes. Remove from pans and level tops with a serrated knife when fully cooled.

Step 10

Combine water and sugar in a small saucepan. Cook over medium heat, stirring until sugar dissolves and mixture boils. Cool to room temperature before using.

Step 11

Beat butter on low for 30 seconds. Add lemon juice, lemon zest, vanilla, and salt; beat until smooth. Slowly incorporate powdered sugar, adding heavy cream midway. Mix in melted white chocolate and continue until fluffy and smooth.

Step 12

Brush cooled cake layers with simple syrup. Place first layer on cake board, spread white chocolate buttercream evenly, and pipe a frosting ring around the edge. Fill with raspberry filling. Repeat for remaining layers.

Step 13

Spread a thin coat of buttercream around entire cake and smooth with a bench scraper. Chill cake for 30 minutes in fridge, or 10 minutes in freezer until set.

Step 14

Apply a second, thicker layer of buttercream. Smooth surfaces and decorate with colored buttercream, fresh raspberries, or flowers as desired.

Notes

  1. For optimal flavor and ease, prepare raspberry filling and cake layers a day in advance and refrigerate until assembly.
  2. Freeze cake layers for easy handling and cleaner cuts during assembly.
  3. Store frosted cake in the refrigerator for up to 1 week, or freeze for up to 1 month.
  4. To make cupcakes, fill liners three-quarters full and bake at 175°C for 18–21 minutes.

Tools You'll Need

  • Stand mixer or hand mixer
  • Cake pans (four 18 cm or three 20 cm)
  • Parchment paper
  • Bench scraper
  • Large offset spatula
  • Large piping bag or freezer zip-top bag
  • Rubber spatula
  • Serrated knife
  • Metal mesh strainer
  • Mixing bowls

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains eggs, dairy, gluten, and soy lecithin (in white chocolate).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 704
  • Total Fat: ~
  • Total Carbohydrate: ~
  • Protein: ~