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Heavenly White Chocolate Cake with Pineapple Filling

Imagine a dessert where the smooth, rich taste of white chocolate meets the bright, tangy flavor of pineapple. This cake features soft white chocolate layers filled with a vibrant pineapple concoction, all wrapped up in a creamy vanilla buttercream. Whether you’re celebrating a special occasion or treating yourself to a delightful dessert, this cake is sure to impress!

Ingredients

Scale
  • 2 1/2 cupsall-purpose flour
  • 2 teaspoonsbaking powder
  • 1/2 teaspoonsalt
  • 3/4 cupunsalted butter, room temperature
  • 1 1/2 cupsgranulated sugar
  • 4large egg whites, room temperature
  • 100gwhite chocolate, melted and cooled
  • 1 cupwhole milk, room temperature
  • 1 teaspoonpure vanilla extract
  • 2 cupschopped fresh pineapple
  • 1/2 cupgranulated sugar
  • 2 tablespoonscornstarch
  • 1/2 teaspoonlemon zest
  • 1 tablespoonlemon juice
  • 1 1/2 cupsunsalted butter, room temperature
  • 45cups powdered sugar, sifted
  • 200gwhite chocolate, melted and cooled
  • 2 teaspoonspure vanilla extract
  • 23tablespoons heavy cream (adjust for desired consistency)

Instructions

  1. Prepare the Cake:Preheat your oven to 350°F (175°C). Grease and flour three 8-inch round cake pans.In a bowl, whisk together the flour, baking powder, and salt. Set aside.In a large mixing bowl, cream the butter and sugar until light and fluffy. Gradually add the egg whites, mixing well after each addition. Stir in the melted white chocolate and vanilla extract.Alternately add the flour mixture and milk to the butter mixture, beginning and ending with the flour. Mix until just combined.Divide the batter evenly among the prepared pans and bake for 25-30 minutes or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes before transferring them to a wire rack to cool completely.
  2. Preheat your oven to 350°F (175°C). Grease and flour three 8-inch round cake pans.
  3. In a bowl, whisk together the flour, baking powder, and salt. Set aside.
  4. In a large mixing bowl, cream the butter and sugar until light and fluffy. Gradually add the egg whites, mixing well after each addition. Stir in the melted white chocolate and vanilla extract.
  5. Alternately add the flour mixture and milk to the butter mixture, beginning and ending with the flour. Mix until just combined.
  6. Divide the batter evenly among the prepared pans and bake for 25-30 minutes or until a toothpick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes before transferring them to a wire rack to cool completely.
  7. Make the Pineapple Filling:Combine the pineapple, sugar, cornstarch, lemon zest, and lemon juice in a saucepan over medium heat. Cook, stirring constantly, until the mixture thickens. Remove from heat and allow to cool completely.
  8. Combine the pineapple, sugar, cornstarch, lemon zest, and lemon juice in a saucepan over medium heat. Cook, stirring constantly, until the mixture thickens. Remove from heat and allow to cool completely.
  9. Prepare the Vanilla Buttercream Frosting:Beat the butter in a bowl until creamy. Gradually add the powdered sugar, then the melted white chocolate, mixing until smooth. Incorporate the vanilla extract and heavy cream, adjusting the cream to achieve your desired consistency.
  10. Beat the butter in a bowl until creamy. Gradually add the powdered sugar, then the melted white chocolate, mixing until smooth. Incorporate the vanilla extract and heavy cream, adjusting the cream to achieve your desired consistency.
  11. Assemble the Cake:Place one cake layer on a serving plate. Spread a generous amount of pineapple filling over the top. Add the next cake layer and repeat the process. Cover the entire cake with the vanilla buttercream frosting.Optionally, decorate with white chocolate shavings or pieces of fresh pineapple for an extra touch of elegance.
  12. Place one cake layer on a serving plate. Spread a generous amount of pineapple filling over the top. Add the next cake layer and repeat the process. Cover the entire cake with the vanilla buttercream frosting.
  13. Optionally, decorate with white chocolate shavings or pieces of fresh pineapple for an extra touch of elegance.

Notes

Smooth Frosting:To ensure your frosting is smooth and easy to spread, make sure the white chocolate is completely cooled before adding it to the butter mixture.
Layer Cooling:Allowing the cake layers to cool completely before assembling prevents the frosting from melting.