Truffle Cream Sandwich Cake - Kosher.com

Ingredients

• 1 package flaky dough, such as Gefen Puff Pastry or homemade Easy Flaky Dough
• Tuscanini Apricot Fruit Spread or other apricot jam, for spreading
• 10 eggs, separated
• 1 cup sugar, divided (1/2 cup for egg whites; 1/2 cup for yolks)
• 1 tablespoon vanilla sugar
• 7 tablespoons Glicks Flour
• 1 and 1/2 cups ground walnuts
• zest of 1 orange
• zest of 1 lemon
• 1 teaspoon baking powder
• 6 eggs, separated
• 1/2 cup sugar
• 4 tablespoons oil
• 3 tablespoons Gefen Cocoa
• 3 tablespoons Glicks Flour
• 3 tablespoons challah crumbs
• 2 (3.5-ounce) bars truffle-filled chocolate
• 1 tablespoon coffee
• 8 ounces margarine
• 1/2 pound Gefen Confectioners’ Sugar
• 2 eggs