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Tsunami Cake

17/11/2023

The Tsunami Cake, also known as Liquid Tiramisu or Flowing Tiramisu, has become famous on social media for its impressive visual effect, where the cream seems to “flood” the cake when it’s cut. The traditional preparation can vary, but I will bring it onto Italian terrain with a touch that evokes the classic Tiramisu.

Ingredients

For the sponge cake:

  • 4 eggs (medium)
  • 120 gr of sugar
  • 120 gr of all-purpose flour
  • A pinch of salt
  • ½ pack of baking powder

For the mascarpone cream:

  • 500 gr of mascarpone
  • 100 gr of icing sugar
  • 3 eggs (with yolks and whites separated)
  • A pinch of salt
  • Cold espresso coffee (as needed to soak the sponge cake)
  • Unsweetened cocoa powder (for dusting)

For the flowing topping:

  • 200 gr of fresh liquid cream
  • 100 gr of dark chocolate

Preparation

Sponge cake:

  1. Preheat the oven to 180 °C.
  2. Beat the eggs with the sugar until the mixture is light and fluffy.
  3. Add the sifted flour, salt, and baking powder, gently mixing from the bottom up to avoid deflating the mixture.
  4. Pour the batter into a buttered and floured pan and bake for about 25 minutes or until a skewer inserted in the center comes out clean. Let it cool.

Mascarpone cream:

  1. Whisk the yolks with the icing sugar.
  2. Add the mascarpone to the mixture of yolks and sugar, mix until you obtain a smooth and homogeneous cream.
  3. Beat the egg whites with a pinch of salt until stiff peaks form, then gently fold them into the mascarpone cream.

Composition:

  1. Slice the sponge cake horizontally in half.
  2. Soak the base with the cold espresso coffee.
  3. Spread an even layer of mascarpone cream over the base.
  4. Place the other half of the sponge cake on top and also soak it with coffee.
  5. Spread the remaining mascarpone cream on the surface.

Flowing topping:

  1. Heat the cream without bringing it to a boil.
  2. Add the chopped dark chocolate and stir until it is completely melted, creating a ganache.
  3. Pour the still liquid ganache over the cake just before serving, creating the tsunami effect.

Dust the Tsunami Cake with unsweetened cocoa powder to complete the homage to Tiramisu. Remember to serve the cake immediately after pouring the ganache to fully enjoy the flowing effect.

Curiosity

The Tsunami Cake is also known as “Pull Me Up” cake. The tsunami effect is traditionally achieved using a ring of transparent acetate around the cake, which is then lifted to create the ganache cascade. In our case, we have simplified the process, focusing on the mascarpone cream that recalls the Tiramisu.