Preheat oven to 350ºF.
Place tart shells on baking sheet.
Mix softened cream cheese, 1 Tbsp. sugar and 1 egg in small bowl with whisk until blended; spoon evenly into bottom of tart shells.
Mix pumpkin, 1/2 cup of sugar, 1 egg and spice together until blended.
Spoon over cream cheese layer.
Bake 40 min. or until centres are set. Cool completely.
Refrigerate until your are ready to serve, top with Cool Whip and enjoy!