To prepare a torta di nocciole con panna desserts recipe, you will first need to prepare the following ingredients: Preheat the oven to 375 degrees F (190 degrees C) and grease and flour two 8-inch round cake pans. In the bowl of an electric mixer fitted with the paddle attachment, cream the butter and sugar until light and fluffy. Add the eggs and vanilla and beat until combined. Gradually add the flour mixture, beating after each addition until the batter is smooth. Fold in the pistachios and nuts. Bake the cake for 20 to 25 minutes or until browned. Let cool before removing from the pan and serving.