Coffee and White Chocolate Cake: A Harmony of Delicate Flavors

INGREDIENTS:

For the Coffee Biscuit Base:

• 3 eggs
• 110 g of granulated sugar
• 20 g of finely ground coffee
• 100 g of all-purpose flour

For the White Chocolate Glaze:

• 100 g of high-quality white chocolate
• 80 g of fresh liquid cream

For the Coffee and Mascarpone Cream:

• 3 egg yolks
• 80 g of brown sugar
• 70 g of hot liquid coffee
• 40 g of whole milk
• 10 g of gelatin sheets (or fish glue)
• 180 g of fresh cream for whipping (cold from the fridge)
• 180 g of mascarpone (cold from the fridge)
• 1 packet of vanilla powder

For the Dark Chocolate Coating and Decoration:

• 150 g of dark chocolate (minimum 50% cocoa)
• 150 g of fresh liquid cream
• 50 g of white chocolate

Preparation:

1. Prepare the biscuit base: Grease and flour a 24 cm diameter cake pan. In a large bowl, beat the eggs, sugar, and ground coffee with electric whisks until you achieve a frothy and voluminous mixture. Gently fold in the sifted flour with a spatula, mixing from the bottom up to avoid deflating the mixture. Pour the batter into the cake pan and bake in a preheated oven at 180°C for about 20 minutes, or until a toothpick inserted in the center comes out clean. Remove the base from the oven and let it cool completely on a wire rack. Once cool, slice it horizontally in half.
2. Prepare the white chocolate glaze: In a saucepan over low heat, gently melt the white chocolate in the liquid cream, stirring continuously until you achieve a smooth and homogeneous cream. Pour the still liquid glaze over one of the two halves of the cookie base, spreading it evenly. Let it set slightly.
3. Prepare the coffee and mascarpone cream: Soak the gelatin sheets in cold water for about 10 minutes. Meanwhile, whip the cream with electric beaters until it reaches a firm consistency and place it in the refrigerator. In a bowl, beat the egg yolks with the brown sugar and vanilla until they are light and frothy. Gradually add the hot liquid coffee (in which the sugar has partially dissolved) and continue to beat until you have a fluffy mixture. In another bowl, soften the mascarpone with a spatula. Gently heat the milk in a small saucepan, dissolve the well-wrung gelatin in it, and pour the milk into the mascarpone, mixing to combine. Gently fold the egg yolk and coffee mixture into the mascarpone, mixing from the bottom up. Finally, add the whipped cream, gently mixing to avoid deflating the cream.
4. Assemble the cake: Spread the coffee and mascarpone cream over the biscuit base covered with white chocolate glaze (making sure the glaze has slightly solidified). Level the surface and cover with the other half of the biscuit base. Transfer the cake to the refrigerator and let it set for at least 2 hours.
5. Prepare the dark chocolate topping and decorate: In a saucepan over low heat, melt the dark chocolate with the liquid cream, stirring continuously until you obtain a smooth and shiny ganache. Let it cool slightly. Pour the dark chocolate ganache over the cold cake, spreading it evenly. Melt the remaining white chocolate in a double boiler or microwave. Transfer the melted white chocolate into a parchment paper cone (improvised piping bag). Decorate the surface of the cake by creating concentric or parallel lines with the white chocolate. With a toothpick, starting from the center, draw radial lines outward (or vice versa) to create an attractive decorative pattern.
6. Keep the cake in the refrigerator until ready to serve.