Almost A Sin Dessert First layer: 1 stick butter, 1 cup chopped roasted pecans, 1 1/2 cups flour. Mix together and pat down in a 9 X 13 baking pan. Bake at 325 degrees for 20 minutes. Let cool. Second Layer: 1 cup powdered sugar, 1 (8 oz) pkg cream cheese softened. Mix together and spread over completely cooled crust. Third Layer: 3 small pkgs instant vanilla pudding, 4 1/2 cups milk, 1 tsp vanilla. Mix together and pour over second layer. Fourth Layer: 3 small pkgs instant chocolate pudding, 4 1/2 cups milk, 1 tsp vanilla. Mix together and pour over third layer. Frost with large carton whipped topping. Sprinkle shaved chocolate and chopped roasted pecans if desired.