3. Preparing the Yolk Glaze:

1. In a saucepan, mix the egg yolks, sugar, water, and cornstarch over medium heat.
2. Stir continuously until the mixture thickens into a custard-like consistency.
3. Remove from heat and let it cool slightly.

4. Assembling the Cake:

1. Spread the yolk glaze over the top of the cake using a pastry brush.
2. Toast the sliced almonds and press them onto the sides of the cake.
3. Optional: Lightly caramelize the yolk glaze with a kitchen torch for an authentic finish.

5. Serving:

1. Chill the cake for at least an hour before serving.
2. Dust with powdered sugar if desired and slice into generous portions.

Recipe Variations

• Chocolate Twist: Add a layer of chocolate ganache between the sponge layers.
• Fruit Infusion: Layer fresh strawberries or raspberries along with the whipped cream.
• Coffee Flavored: Add espresso powder to the sponge for a coffee-flavored base.