Hazelnut Meringue Cake with Nutella
Ingredients:For the Meringue Layers:4 large egg whites, at room temperature1 cup granulated sugar1/2 teaspoon cream of tartar1 teaspoon vanilla extract1 cup finely ground hazelnutsFor the Chocolate Cake:1 cup all-purpose flour1/2 cup cocoa powder1 teaspoon baking powder1/2 teaspoon baking soda1/4 teaspoon salt1/2 cup unsalted butter, softened1 cup granulated sugar2 large eggs1 teaspoon vanilla extract1/2 cup whole