Opéra chocolate cake – Mon Dimora

Ingredients

• 4 eggs, whole
• 1 1/3 cups almond flour
• 3/4 cup powdered sugar
• 1/4 cup all-purpose flour
• 3 egg whites (save egg yolks for later)
• 1/4 cup granulated sugar
• 3 tablespoons butter, melted
• 1/3 cup granulated sugar
• 1 tablespoon instant espresso powder
• 1/2 cup water
• 1/2 cup plus 2 tablespoons granulated sugar
• 4 egg yolks
• 1 cup butter, softened
• 1 tablespoon espresso powder
• 1 tablespoon water
• 2 cups chocolate, chopped
• 3/4 cup butter