White Forest Cake

As I was flipping through the 2014 June/July issue of Fine Cooking magazine, I found this intriguing cake and decided to try it. Although I love Black Forest Cake, it seems more like a cold weather type of dessert while this white chocolate version seems to me to be more suited to warmer temperatures. If you are not familiar with kirsch, it is a cherry brandy that is thought to have originated in the Black Forest region of Switzerland. Aside from cakes, kirsch is also commonly used in Swiss fondue and Cherries Jubilee.

This cake requires a lot of chilling time so I would recommend that you plan accordingly and possibly start the day before serving. I would not say that this cake is difficult, but I certainly learned a lot as I went along. To hear more about that, please read all the way to the bottom section titled, “Mistakes I made/Things I would do differently next time.”


Sponge Cake Ingredients:

¾ cup + 2 tablespoons flour
1 teaspoon baking powder
3 eggs, at room temperature
3 egg yolks, at room temperature
¾ cup sugar
1 teaspoon vanilla
1/8 teaspoon salt
¼ cup whole milk
2 tablespoons butter, cut into small pieces

Filling and Topping Ingredients:

3 cups fresh or frozen sweet cherries + extra for garnish
5 tablespoons kirsch, divided
¼ cup + 2 tablespoons sugar, divided
1 teaspoon fresh lemon juice
¼ teaspoon salt
¼ cup cool water
6 oz. white chocolate, finely chopped + extra for garnish
¼ cup warm water
2 cups heavy cream, divided

Preheat the oven to 350 degrees, line the bottom of a 9 by 3 inch round springform pan with a circle of parchment paper, and set aside. (Though I have not yet tried this myself, you could divide the batter between 2 liberally buttered/oiled pie pans as an alternative if you do not own a springform pan.) In a small bowl, whisk together the flour and baking powder. With an electric mixer (hand-held or stand mixer), beat the eggs, yolks, sugar, vanilla, and salt on high for approximately 5 minutes, until the mixture has tripled in volume. In a small saucepan, heat the milk and butter over medium heat until very hot but not boiling. Sift 1/3 of the flour mixture over the egg mixture and fold in gently, then repeat with 2 more batches. Pour the hot milk mixture over the batter and again fold in gently until all of the milk has been incorporated. Scrape the batter into the pan and bake for 25 to 30 minutes. The cake is done when the top is golden brown and a toothpick inserted into the center comes out clean. Cool on a wire rack. If making ahead of time, the recipe says this cake can be wrapped airtight and stored at room temperature for 2 days; however, I personally would store it in the refrigerator.

If using frozen cherries, put them in a strainer over a bowl for a few hours until they have released most of their juice, which you should reserve. Fresh or frozen, halve and pit the cherries, then toss them with 3 tablespoons of the kirsch, 2 tablespoons of the sugar, lemon juice, salt, and any reserved cherry juice. The sugar will take about 5 minutes to dissolve as you stir occasionally. Heat a large, heavy-duty skillet over medium-high heat for 2 minutes and then reduce the temperature to medium. Cook the cherry mixture for about 2 minutes, stirring frequently with a wooden spoon or spatula to prevent the syrup from burning. Scrape the cherries into a tempered glass bowl and refrigerate until cool, about 30 minutes.

Cut the cake horizontally into 2 even layers and place both layers cut side up, placing one half back in the sprinform pan. In a small saucepan, stir the remaining 2 tablespoons of kirsch, ¼ cup sugar, and ¼ cup cool water over medium heat for about 3 minutes, until the sugar dissolves. Brush half of the clear syrup over one layer of the cake and then repeat with the other half of the syrup over the second layer of cake. Repeat this process with the juice from the cherry mixture. Arrange the cherries in a single layer on the cake layer in the sprinform pan.

Bring 1 inch of water to a simmer in a large skillet and remove from the heat. Wait 30 seconds, place the white chocolate and ¼ cup warm water in a stainless steel bowl, then place the bowl into the water in the skillet. Stir after 1 minute, remove the bowl from the skillet, then let the chocolate cool for about 4 minutes. With an electric mixer, whisk 1 cup of the cream until thickened but barely able to hold a shape. (The cream will be fluffy but still pourable.) Fold the cream gently into the chocolate quickly but carefully. Pour the mousse immediately on top of the cherries and then place the second cake layer on top, pressing gently to level the cake. Cover and refrigerate for at least 4 hours to firm up the mousse.

Right before serving, whip the remaining 1 cup of cream in a chilled bowl to form firm peaks. Transfer the cake from the springform pan to your serving plate. Spread the whipped cream over the top of the cake, leaving a ½ inch border around the edge of the cake. Garnish with reserved cherries and white chocolate pieces.*


* Mistakes I made/Things I would do differently next time:
  1. I tried to save time by not cutting my cherries in half. This is an important step because halved cherries will absorb more kirsch flavor and spread out easier into a single layer.
  2. To make the tossing of the cherries easier next time, I would put them in a Mason jar or other sealable container and shake it several times to evenly distribute the kirsch, sugar, lemon juice, and salt.
  3. My cake sunk a bit in the middle upon cooling, thus when I tried to cut it in half, a hole was torn in the middle of the top layer. Thankfully, this was easily concealed by filling in the hole with whipped cream right before serving. So, do not be discouraged if your top layer does not look perfect because it will be covered up anyway in the end.
  4. When making this cake, I was in a hurry and not fully paying attention. Thus, my white chocolate mousse was extremely runny and not thick enough when I poured it on top of the cherries (at which point, it was too late to do anything to fix it). The lesson here is, slow down and always read the next steps of the recipe a few times before acting.
  5. As a more elegant alternative to garnishing the cake with chopped pieces of white chocolate, you can follow the link below to find out how to make white chocolate shards.

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