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White Chocolate Sacher Torte

White Chocolate Sacher Torte is an inventive riff on the classic European cake. White chocolate sponge cake is layered with rum-spiked apricot preserves and iced with a silky white chocolate glaze. Decorate the cake with white chocolate shavings for a beautiful presentation.

I had the idea to make a White Chocolate Sacher Torte kicking around for quite a while. I thought the combination of white chocolate and apricot would be tasty. But, for some reason, the recipe was languishing on my list of post ideas. I just kept putting it off.

Well, I guess I must have had some intuition of how difficult it would be to get the recipe right. I had to bake the white chocolate cake 5 times before I finally got a result I was happy with.

Of course the basis for this recipe is the my classic Sacher Torte. I knew that I couldn’t simply switch out the dark chocolate with white chocolate and call it a day. White chocolate is quite different than dark chocolate and it behaves differently in recipes.

How to make Sacher Torte with white chocolate:

  • Relative to dark chocolate, white chocolate has more fat and sugar.  So, I reduced the amount of butter and sugar in the recipe to offset the white chocolate.
  • Unlike dark chocolate, white chocolate is not acidic. In cake batter, an acidic ingredient will help the proteins to set more quickly. My first few test takes had the batter separating into 2 layers before the cake was baked.
  • I reduced the number of eggs in the white chocolate batter. Fewer eggs means less liquid and protein in the batter.
  • I also slightly increased the amount of flour (more starch) to help the batter gel before it could separate. 
  • The cake layers are moist and tender with a distinctly white chocolate flavor.

Scroll through the process photos to see how to assemble White Chocolate Sacher Torte:

white chocolate sponge cake on a cake turntable with a bowl of apricot preserves.
1. Trim the browned edges off the cake for a nice presentation.
white chocolate cake ice wit apricot preserves on a cake turntable.
Fill and ice the cake with rum-spiked apricot preserves.
a bowl of white chocolate glaze
Make the white chocolate glaze.
writing the word sacher with white chocolate on a cake.
You can use a piping bag with white chocolate to pipe the traditional “Sacher” on the cake.
using a potato peeler to make white chocolate shavings.
Use a potato peeler to make white chocolate shavings to decorate the cake.

It only took about 3 pounds of white chocolate, several dozen eggs and many, many hours, but I can finally cross White Chocolate Sacher Torte off my “to do” list. 

If you love this recipe, I bet you’ll love my “White” Forest Cake too.

If you love this recipe as much as I do, I’d really appreciate a 5-star review.

a slice of white chocolate sacher torte on a glass plate

White Chocolate Sacher Torte

Yield: 12 servings
Prep Time: 40 minutes
Bake Time: 20 minutes
Chilling & Setting Time: 1 hour
Total Time: 2 hours

White Chocolate Sacher Torte is an inventive riff on the classic European cake. A light white chocolate sponge cake is layered with rum-spiked apricot preserves and iced with a sweet white chocolate glaze. Decorate the cake with white chocolate shavings for a beautiful dessert.

Ingredients

Cake Batter

  • 1 1/2 cups (6.75 oz, 189g) cake flour
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon table salt
  • 3/4 cup (6 oz, 168g) unsalted butter, room temperature
  • 1 cup (8 oz, 225g) granulated sugar, divided
  • 6 large eggs, separated, room temperature
  • 2 teaspoons vanilla
  • 6 oz (170g) white chocolate, melted

Assembly

  • 1 1/2 cups (18oz, 510g) apricot preserves
  • 1/4 cup (2 oz, 60 ml) dark rum
  • 8 oz (225g) white chocolate, chopped
  • 1 stick (4 oz, 112g) unsalted butter
  • 2 tablespoons (1 oz, 28g) hot water
  • 2 tablespoons (1.4 oz, 40g) corn syrup
  • White chocolate for decoration

Instructions

Cake

  1. Preheat the oven to 350°F. Line the bottom of two 9 inch cake pan with parchment paper, or butter and flour the bottom of the pans. You don't need to butter/flour the sides of the pans.
  2. Sift together the flour, baking powder and salt, set aside.
  3. Cream the butter and 3/4 cup of the granulated sugar until light and aerated. Add the egg yolks and vanilla, mix until combined. Mix in the sifted dry ingredients, don't over mix. Whisk the white chocolate into the batter.
  4. Whip the egg whites to soft peak. Slowly add the remaining 1/4 cup of sugar and whip to full peak. Fold the egg whites into the batter in 3rds, mixing until there are no streaks of egg white visible.
  5. Divide the batter between the prepared pans and bake until the middle of the cake springs back when pressed or a toothpick inserted into the middle comes out clean, about 20-25 minutes.
  6. Cool the cakes for 10 minutes in the pan then turn out onto a cooling rack until completely cooled (see note).

Assembly

  1. Stir the rum into the apricot preserves.
  2. Using a serrated knife trim the top of the cakes so they are flat. Place one layer onto a cardboard cake round (it makes handling the cake easier). Spread 3/4 of the apricot mixture onto the bottom layer and place the other layer onto the cake.
  3. Strain the remaining apricot preserves into a clean bowl to remove the chunky bits of fruit. Ice the top and sides of the cake with the remaining apricot preserves. Place the cake in the freezer for at least 30 minutes while you make the glaze.
  4. Microwave the white chocolate in 15 second increments until melted. In a separate bowl, melt the butter with the hot water and corn syrup. Stir the warm butter mixture into the melted white chocolate until it's smooth.
  5. Remove the cake from the freezer and set it on a cooling rack set over a clean sheet pan. (If you are using a cardboard cake circle trim the excess so the board is the same size as the cake.) Starting at the center of the cake, pour the glaze all at once over the cold cake. Use a small spatula to spread the glaze over the top and let it fall over the sides of the cake. Use the spatula to fill in any gaps on the sides. You must work quickly before the glaze begins to set.
  6. For the traditional design, pipe the word "Sacher" onto the cake using melted white chocolate. Use a potato peeler to make shavings from a bar of white chocolate. Sprinkle the shavings around the top edge of the cake. Allow the glaze to set completely before moving the cake to a serving platter.
  7. Store and serve at room temperature. The assembled cake will improve for a day or two after being iced as the apricot preserves absorb into the cake.

Notes

The layers can be baked a day or two before assembly, or can be made several weeks ahead and frozen.

Did you make this recipe?

Please leave a comment on the blog or share a photo on Instagram

Jonathan

Sunday 3rd of January 2021

I just made it for my birthday and I am so excited to eat it. How long does it take for the glaze to set up? Mine is still transparent after almost 2 hours

Irene

Friday 25th of September 2020

Can I bake the whole thing in a 9×13 pan instead of in two 9 inch round pans?

Eileen Gray

Saturday 26th of September 2020

I haven't tried it so I couldn't say for sure. It is a bit of a delicate batter so I'm not sure it would rise properly. If you try it let us know if it works out.

Riani

Monday 11th of February 2019

looks delicious.. very nicely presented..

Marta

Saturday 24th of November 2018

Eileen, the cake looks stunning! I love the original Sacher torte, but never even thought about making a white version. Congratulations on your perseverance to perfect the recipe, I have no doubt it is spot on! Although I know that white chocolate and apricot work so well together, I can't help myself imagine this cake with a layer of sour cherry preserves...And thank you for a white chocolate glaze recipe, I often have troubles making it right.

Eileen

Saturday 24th of November 2018

Yes, sour cherry would be delicious. I would still use a light color preserves to "ice" the cake so it doesn't show through the glaze.

Imane Daher

Friday 23rd of November 2018

Hi Happy Holidays. I love this recipe and would love to make it. However what can I replace the rum for???? I would appreciate your advice. Thank you for all the lovely recipe you give us. With all my gratitude Imane

Eileen

Friday 23rd of November 2018

If you want the cake to be alcohol-free, just eliminate the rum and use the apricot preserves as they are. Otherwise you can use brandy or any other liquor of your choice.

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