A flavorful coconut sponge cake topped with rich ganache.
Servings: Serves 6–8
Coconut Sponge:
  • 4 eggs
  • 1 1/2 cups sugar
  • 3 2/3 cups shredded unsweetened dried coconut , plus 1 cup toasted as garnish
  • 10 1/2 ounces bittersweet chocolate , finely chopped
  • 3 1/2 ounces milk chocolate , finely chopped
  • 1 2/3 cups heavy cream
To make the coconut sponge: Preheat the oven to 350°. Spray the bottom and sides of a 17 1/2 x 12 1/2-inch baking sheet with nonstick cooking spay. Line the bottom of the pan with parchment paper.

Fill a medium saucepan 1/3 full with water and bring to a simmer. In the bowl of an electric mixer, whisk together the eggs and sugar. Place the bowl over the pan of simmering water and whisk constantly until the egg mixture is warm to the touch. Transfer the bowl to the mixer stand and beat on high speed until it has tripled in volume, about 5 minutes. Using a rubber spatula, fold in the coconut just until blended. Pour the batter onto the prepared baking sheet and spread evenly in the pan with a rubber spatula.

Bake for 20 to 25 minutes, until the top of the cake is light golden brown and a toothpick inserted in the center comes out clean. Cool the cake in the pan on a wire rack for 15 minutes.

Run a small sharp knife around the sides of the pan to loosen the cake. Place a wire rack over the cake and invert. Carefully peel off the parchment paper (the cake will be extremely delicate). Allow the cake to cool completely.

To make the ganache. In a large bowl, combine bittersweet and milk chocolate and set aside. In a medium saucepan, bring the cream to a boil. Immediately pour the hot cream over the chocolate. Whisk until the chocolate is completely melted and smooth. Cover the ganache with plastic wrap, pressing it directly against the surface, and refrigerate until it is firm enough to pipe, about 4 hours.

To assemble the cake: Trim off any uneven edges and cut the cake crosswise into three equal rectangles, each measuring about 5 x 10 inches. Place one of the rectangles on a serving platter. Using a small metal offset spatula spread a generous layer of ganache over the top of the cake layer. Cover with another cake and spread a layer of ganache over it. Top with the third cake layer and spread the remaining ganache over the top and sides of the cake. Sprinkle the toasted coconut over the top and sides of the cake. If not serving immediately, refrigerate the cake. The cake can be made up to 1 day ahead. Bring to room temperature before serving.


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