Hungarian Esterházy Torte Dessert

Ingredients (19)

• 5 large egg yolks
• 1 3/4 ounces granulated sugar
• 1 3/4 ounces almonds, ground
• 2 1/2 tablespoons all-purpose flour
• 3 large egg whites, stiffly beaten
• 1 1/2 tablespoons freshly squeezed lemon juice, from 1/2 lemon
• 1 tablespoon pure vanilla extract, optional
• 10 ounces semisweet chocolate, chopped
• 2 cups (1 pound) unsalted butter, softened
• 5 large egg whites
• 1 cup granulated sugar
• 1/4 cup apricot jam, melted
• 1 tablespoon hot water
• 3 cups confectioners' sugar
• 1/4 cup water
• 1 tablespoon light corn syrup
• 2 ounces semisweet chocolate, melted 
• 1/4 teaspoon vegetable oil
• 4 ounces sliced almonds, toasted or untoasted