In bowl of stand mixer fitted with whisk attachment, prepare the dessert topping mix according to package directions. Set aside. In clean bowl of stand mixer fitted with the paddle attachment, cream the cheese and icing sugar together. Beat in the vanilla. Remove bowl from mixer and, by hand, using a rubber spatula, fold in the whipped topping, just until blended. Spread filling evenly over chilled base. Refrigerate for at least 2 hours.
Yield: Apx. 9 servings